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Manual Dell U7021

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  • Dell U7021 - page 1

    www .dell.com | support.dell.com Dell™ Dimension™ XPS headphone connector microphone connector USB 2.0 connectors (2) IEEE 1394 connector PCI card (4), PCI Express x1 card (1), PCI Express x16 card (1) slots serial port parallel port diagnostic lights keyboard connector USB 2.0 connectors (6) VGA video connector cover latch release fans (2) net ...

  • Dell U7021 - page 2

    www .dell.com | support.dell.com Notes, Notices, and Cautions NOTE: A NOTE indicates important i nformation that helps you make better use of your computer . NOTICE: A NOTICE indicates either potential da mage to hardware or loss of da ta and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for propert y damage, personal ...

  • Dell U7021 - page 3

    Contents 3 Contents Finding Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 1 Setting Up and Using Y our Computer Opening the Drive Door . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 Changing the Front- Panel Light Color . . . . . . . . . . . . . . . . . . . . . . 14 Connecting T wo Monitors . . . . . . ...

  • Dell U7021 - page 4

    4 Contents Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Standby Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Hibernate Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Power Options Prope ...

  • Dell U7021 - page 5

    Contents 5 Network Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 Power Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 Printer Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 Scanner Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 S ...

  • Dell U7021 - page 6

    6 Contents 5 Removing and Installing Parts Before Y ou Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 Recommended T ools . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 T urning Off Y our Computer . . . . . . . . . . . . . . . . . . . . . . . . . 67 Before W orking Inside Y our Computer . . . . . . . . . . . . ...

  • Dell U7021 - page 7

    Contents 7 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 Removing the Processor . . . . . . . . . . . . . . . . . . . . . . . . . 103 Installing the Processor . . . . . . . . . . . . . . . . . . . . . . . . . 106 Front Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108 Removing th ...

  • Dell U7021 - page 8

    8 Contents FCC Notices (U.S. Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129 Class A . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 Class B . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130 FCC Identification Information . . . . . . . . . . . . . . . . . . . . . . 131 Contacting Dell ...

  • Dell U7021 - page 9

    Finding Information 9 Finding Information What Are Y ou Looking For? Find it Here • How to access tutorials an d other how to information • How to get a copy of my invoice • How to extend my warranty • How to access Dell Support on my Microsoft ® W indows ® desktop (U.S. only) • Additional documentation, tools, troubleshooting informati ...

  • Dell U7021 - page 10

    10 Finding Information www .dell.com | support.dell.com • W arranty information • Safety instructions • Regulatory information • Ergonomics information • End User License Agreement Dell™ Product Information Guide • How to set up my computer Setup Diagram • Service T ag and Express Service Code • Microsoft W indows License Label Se ...

  • Dell U7021 - page 11

    Finding Information 11 • Latest drivers for my computer • Answers to technical se rvice and support questions • Online discussions with other users and technical support • Documentation for my computer Dell Support Website — support.dell.com NOTE: Select your region to view the appropriate support site. The Dell Support website provides s ...

  • Dell U7021 - page 12

    12 Finding Information www .dell.com | support.dell.com ...

  • Dell U7021 - page 13

    Setting Up and Using Y our Computer 13 Setting Up and Using Y our Computer Opening the Drive Door ...

  • Dell U7021 - page 14

    14 Setting Up and Using Y our Computer www .dell.com | support.dell.com Changing the Front-Panel Light Color Y ou can use this ex clusive Dell™ Dimension™ XPS feature either to change the color of the front-panel light that illuminates the Dell name and displays around the badge on the front of your computer , or to turn off the front-panel lig ...

  • Dell U7021 - page 15

    Setting Up and Using Y our Computer 15 7 Select the color you want, and press <Enter>. 8 P ress < Esc > , and press Save and Exit to save the new front- panel light color setting. Connecting T wo Monitors CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Gu ...

  • Dell U7021 - page 16

    16 Setting Up and Using Y our Computer www .dell.com | support.dell.com 3 Connect the other monitor to the optional D V I adapter and connect the D VI adapter to the D VI (white) connector on the back of the computer . Connecting One Monitor With a VGA connector and One Monitor With a DVI Connector 1 F ollow the procedures in "Befor e Y ou Beg ...

  • Dell U7021 - page 17

    Setting Up and Using Y our Computer 17 Changing the Display Settings 1 After you connect the monitor(s) or TV , turn on the computer . The Microsoft ® W indows ® desktop displays on the primary monitor . 2 Enable clone mode or extended desktop mode in the display settings. • In clone mode, both monitors display the same image. • In extended d ...

  • Dell U7021 - page 18

    18 Setting Up and Using Y our Computer www .dell.com | support.dell.com RAID Level 0 R AID level 0 uses a storage technique known as "d ata striping" to provide a high data access rate. Data striping is a method of writing consecutive segments, or stripes, of data sequentially across the physical drives to create a lar ge virtual drive. D ...

  • Dell U7021 - page 19

    Setting Up and Using Y our Computer 19 If a drive failure occurs, subsequent r ead and write operations are dir ected to the surviving drive. A replacement drive can then be r ebuilt using the data from the surviving drive. Also, because data is duplicated on both drives, two 120-GB R AID level 1 drives collectively have a maximum of 120-GB on whic ...

  • Dell U7021 - page 20

    20 Setting Up and Using Y our Computer www .dell.com | support.dell.com 5 Use the left- and right-arrow keys to highlight Save/Exit , and press <Enter> to e xit system setup and resume the boot process. Configuring for RAID Using the Intel(R) Option ROM Utility NOTE: Although any size drives may be used to create a RAID confi guration using t ...

  • Dell U7021 - page 21

    Setting Up and Using Y our Computer 21 4 Enter a R AID volume name or acce pt the default, and press <Enter>. 5 Use the up- and down-arrow keys to select R AID1(Mirror) , and press <Enter>. 6 If there ar e more than two hard disks availabl e, use the up- and down-arrow k eys and space bar to select the two disks you want to use to ma ke ...

  • Dell U7021 - page 22

    22 Setting Up and Using Y our Computer www .dell.com | support.dell.com Creating a RAID 0 V olume NOTE: When you perform this operation, all data on the RAID drives will be lost. 1 Set your computer to R AID-enabled mode (see page 19). 2 Click Start and point to P rograms → Intel(R) Application Accelerator → Intel Application Accelerator to lau ...

  • Dell U7021 - page 23

    Setting Up and Using Y our Computer 23 Deleting a RAID V olume NOTE: While this procedure deletes the RAID 1 volume, it also splits the RAID 1 volume into two non- RAID hard drives with a partition, and leaves any ex isting data files intact. De leting a RAID 0 volume, however , destroy s all data on the volume. 1 Click the Start button and point t ...

  • Dell U7021 - page 24

    24 Setting Up and Using Y our Computer www .dell.com | support.dell.com Migrating to a RAID 1 V olume 1 Set your computer to R AID-enabled mode (see page 19). 2 Click the Start button and point to All P rograms → Intel(R) Application Accelerator → Intel Application Accelerator to launch the Intel(R) Storage Utility . NOTE: If you do not see an ...

  • Dell U7021 - page 25

    Setting Up and Using Y our Computer 25 Rebuilding a Degrad ed RAID 1 V olume If your computer does not have a spare har d driv e, and the computer has reported a degraded R AID 1 volume, you can manually rebuild the computer’s redundancy mirror to a new hard drive by performing the following steps: 1 Click the Start button and point to P rograms ...

  • Dell U7021 - page 26

    26 Setting Up and Using Y our Computer www .dell.com | support.dell.com 7 On the What do you want to transfer? screen, select the items you want to transfer and click Next . After the information has been copied, the Completing the Collection Phase screen appears. 8 Click Fi n i s h . T o transfer data to the new computer: 1 On the Now go to your o ...

  • Dell U7021 - page 27

    Setting Up and Using Y our Computer 27 T o format CDs for storing data, to create music CDs, or to copy CDs, see the CD software that came with your computer . NOTE: Ensure that you follow all copy right laws when you create CDs. A CD player includes the following basic buttons: A D VD player includes the following basic buttons: Play . Move backwa ...

  • Dell U7021 - page 28

    28 Setting Up and Using Y our Computer www .dell.com | support.dell.com F or more information on playing CDs or D VDs, click Help on the CD or D VD player (if available). Adjusting the V olume NOTE: When the speakers are muted, you do not hear the CD or DVD playing. 1 Click the Start button, point to All P rograms → Accessories → Entertainment ...

  • Dell U7021 - page 29

    Setting Up and Using Y our Computer 29 How to Copy a CD or DVD NOTE: If you have a DVD/CD-RW combo drive and you experience recording problems, check for available sof tware patches at the Sonic support webs ite at support.sonic.com . Currently , five DVD-writable disc formats ava ilable: DVD+R, D VD+R W , DV D-R, D VD- R W and D VD-R AM. The DVD-w ...

  • Dell U7021 - page 30

    30 Setting Up and Using Y our Computer www .dell.com | support.dell.com Helpful T ips • Use Microsoft ® W indows ® Explorer to drag and drop file s to a CD-R or CD-R W only after you start Sonic RecordNow and open a Recor dNow proj ect. • Y ou must use CD-Rs to burn music CDs th at you want to play in regular ster eos. CD-R Ws do not play in ...

  • Dell U7021 - page 31

    Setting Up and Using Y our Computer 31 Power Management Overview The Microsoft ® W indows ® XP power management features can r educe the amount of electricity your computer uses when it is on and you are no t using it. Y ou can reduce power to just the monitor or the hard drive, or you can use standby mode or hibernate mode to r educe power to th ...

  • Dell U7021 - page 32

    32 Setting Up and Using Y our Computer www .dell.com | support.dell.com T o exit from hibernate mode , press the power button. The computer may tak e a short time to exit from hibernate mode. P ressing a key on the k eyb oard or moving the mouse does not bring the computer out of hibernation, because the keyboa r d and the mouse do not function whe ...

  • Dell U7021 - page 33

    Setting Up and Using Y our Computer 33 If you want to change the default settings for a scheme, click the drop-down menu in the T urn off monitor , T urn off hard disks , System stand by , or System hibernates field, and then select a time- out from the displayed list. Changing the time-o ut for a scheme field permanently changes the default settin ...

  • Dell U7021 - page 34

    34 Setting Up and Using Y our Computer www .dell.com | support.dell.com ...

  • Dell U7021 - page 35

    Optimizing Performance 35 Optimizing Performance Hyper -Threading Hyper - Threading is an Intel ® technology that can enhance overall computer performance by allowing one physical processor to function as t wo logical processors, capable of performing certain tasks simultaneously . It is reco mmended that you use the Microsoft ® W indows ® XP Se ...

  • Dell U7021 - page 36

    36 Optimizing Performance www .dell.com | support.dell.com PCI Express Cards PCI Express is the ne xt generation technology fo r graphics cards and PCI cards. The dimensions of PCI Express car d slots are different from PCXI car d slots, and the cards ar e not interchangeable (you cannot install a PCI card in a PCI Expr ess card slot, or a PCI Expr ...

  • Dell U7021 - page 37

    Solving Problems 37 Solving Problems T roubleshooting T ips F ollow these tips when you troubleshoot your computer: • If you added or removed a part befor e the prob lem started, review the installation procedures and ensure that the part is corr ectly installed. • If a peripheral device does not work, ensu re that the device is properly connec ...

  • Dell U7021 - page 38

    38 Solving Problems www .dell.com | support.dell.com CD and DVD drive problems NOTE: High-speed CD or DVD drive vibration is normal and may cause noise, which does not indicate a defect in the drive or the CD or DVD. NOTE: Because of different regions worldwide and different disc formats, not all DV D titles work in all DVD drives. Problems writing ...

  • Dell U7021 - page 39

    Solving Problems 39 Hard drive problems E-Mail, Modem, and Internet Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide . NOTE: Connect the modem to an analog tel ephone jack only . The modem d oes not operate while it is connected to a digital telephone n ...

  • Dell U7021 - page 40

    40 Solving Problems www .dell.com | support.dell.com Error Messages CAUTION: Before you begin any of the proc edures in this section, fo llow the safety instructions located in the Product Information Guide . If the message is not listed, see the documentatio n for the operating system or the program that was running when the message appeared. V ER ...

  • Dell U7021 - page 41

    Solving Problems 41 IEEE 1394 Device Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide . Keyboard Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide . N ON - S ...

  • Dell U7021 - page 42

    42 Solving Problems www .dell.com | support.dell.com Lockups and Software Problems CAUTION: Before you begin any of the proc edures in this section, fo llow the safety instructions located in the Product Information Guide . The computer does not start up The computer stops responding NOTICE: Y ou might lose data if y ou are unable to perform an ope ...

  • Dell U7021 - page 43

    Solving Problems 43 A program crashes repeatedly NOTE: Software usually includes installation instructions in its documentation or on a floppy disk or CD. A program is designed for an earlier Windows operating sy stem A solid blue screen appears Other software problems C HECK THE SOFTWARE DOCUMENTATION — If necessary , uninstall and then reinstal ...

  • Dell U7021 - page 44

    44 Solving Problems www .dell.com | support.dell.com Memory Problems CAUTION: Before you begin any of the proc edures in this section, fo llow the safety instructions located in the Product Information Guide . Mouse Problems CAUTION: Before you begin any of the proc edures in this section, fo llow the safety instructions located in the Product Info ...

  • Dell U7021 - page 45

    Solving Problems 45 Network Problems CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide . R ESTART THE COMPUTER — 1 Simultaneously press <Ctr l><Esc> to display the Start menu. 2 Ty p e u , press the k eyboard arrow keys to highlight Shut down or T u ...

  • Dell U7021 - page 46

    46 Solving Problems www .dell.com | support.dell.com Power Problems CAUTION: Before you begin any of the proc edures in this section, fo llow the safety instructions located in the Product Information Guide . I F THE POWER LIGHT IS GREEN AND THE COMPUTER IS NOT RESPONDING — See "Diagnostic Lights" on page 53. I F THE POWER LIGHT IS BLIN ...

  • Dell U7021 - page 47

    Solving Problems 47 Printer Problems CAUTION: Before you begin any of the procedures in th is section, follow the s afety instructions located in the Product Information Guide . NOTE: If you need technical assistan ce for your printer , contact the printer’ s manufacturer . Scanner Problems CAUTION: Before you begin any of the procedures in this ...

  • Dell U7021 - page 48

    48 Solving Problems www .dell.com | support.dell.com Sound and Speaker Problems CAUTION: Before you begin any of the proc edures in this section, fo llow the safety instructions located in the Product Information Guide . No sound from speakers NOTE: The volume control in some MP3 players overrides the Windows vo lume setting. If you have been liste ...

  • Dell U7021 - page 49

    Solving Problems 49 No sound from headphones D ISCONNECT HEADPHONES FROM THE HEADPHONE CONNECTOR — Sound from the speakers is automatically disabled when headphones are conne cted to the computer’s front-panel headphone connector . T EST THE ELECTRICAL OUTLET — Ensure that the electrical outlet is working by testing it with another device, su ...

  • Dell U7021 - page 50

    50 Solving Problems www .dell.com | support.dell.com V ideo and Monitor Problems CAUTION: Before you begin any of the proc edures in this section, fo llow the safety instructions located in the Product Information Guide . If the screen is blank NOTE: See the monitor docume ntation for troubles hooting procedures. If the screen is difficult to read ...

  • Dell U7021 - page 51

    Solving Problems 51 A DJUST THE W INDOWS DISPLAY SETTINGS — 1 Click the Start button, click Control P anel , and then click Appearance and Themes . 2 Click Display and click the Settings tab. 3 T ry different settings for Screen resolution and Color quality . ...

  • Dell U7021 - page 52

    52 Solving Problems www .dell.com | support.dell.com ...

  • Dell U7021 - page 53

    Advanced T roubleshooting 53 Advanced T roubleshooting Diagnostic Lights CAUTION: Before you begin any of the proce dures in this section, follow the safety instructions located in the Product Information Guide . T o help you troubleshoot a problem, your computer has four lights labeled "A," "B," "C," and "D" ...

  • Dell U7021 - page 54

    54 Advanced T roubleshooting www .dell.com | support.dell.com Memory modules are detected, but a memory failure has occurr ed. • If you have two or more memory modules installed, remove the modules, reinstall one module (see page 77), and then restart the computer . If the computer starts normally , reinstall an additional module. Continue until ...

  • Dell U7021 - page 55

    Advanced T roubleshooting 55 No memory modules are detected. • If you have two or more memory modules installed, remove the modules, reinstall one module (see page 77), and then restart the computer . If the computer starts normally , reinstall an additional module. Continue until you have identified a faulty module or reinstalled all modules wit ...

  • Dell U7021 - page 56

    56 Advanced T roubleshooting www .dell.com | support.dell.com Dell Diagnostics CAUTION: Before you begin any of the proc edures in this section, fo llow the safety instructions located in the Product Information Guide . When to Use the Dell Diagnostics If you experience a problem with your computer , perform the checks in "Solving Problems&quo ...

  • Dell U7021 - page 57

    Advanced T roubleshooting 57 Starting the Dell Diagnostics From Y our Hard Drive 1 T urn on (or restart) your computer . 2 When the DELL™ logo appear s, press <F12> immediately . NOTE: If you see a message stating that no diagnostics utility partitio n has been found , run the Dell Diagnostics from your ResourceCD (see page 57). If you wait ...

  • Dell U7021 - page 58

    58 Advanced T roubleshooting www .dell.com | support.dell.com Dell Diagnostics Main Menu 1 After the Dell Diagnostics loads and the Main Menu screen appears, click the button for the option you want. 2 If a problem is encountered during a test, a message appears with an error code and a description of the problem. W rite down the er ror code and pr ...

  • Dell U7021 - page 59

    Advanced T roubleshooting 59 4 When the tests are completed, if you ar e runni ng the Dell Diagnostics from the ResourceCD , remove the CD. 5 Close the test screen to r eturn to the Main Menu screen. T o exit the Dell Diagnostics and restart the computer , close the Main Menu screen. Drivers What Is a Driver? A driver is a program that controls a d ...

  • Dell U7021 - page 60

    60 Advanced T roubleshooting www .dell.com | support.dell.com Windows XP 1 Click the Start button and click Control P anel . 2 Under Pick a Category , click P erformance and Maintenance . 3 Click System . 4 In the System P roperties window , click the Hardware tab. 5 Click Device Manager . 6 Scroll down the list to see if any device has an ex clama ...

  • Dell U7021 - page 61

    Advanced T roubleshooting 61 3 When the InstallShield Wizard Complete window appears, remove the ResourceCD and click Fi n i s h to restart the computer . 4 When you see the W indows desktop, reinsert the ResourceCD. 5 At the W elcome Dell System Owner screen, click Next . NOTE: The ResourceCD display s drivers only for hardwa re that came installe ...

  • Dell U7021 - page 62

    62 Advanced T roubleshooting www .dell.com | support.dell.com Creating a Restore Point 1 Click the Start button and click Help and Support . 2 Click System Restore . 3 F ollow the instructions on the screen. Restoring the Computer to an Earlier Operating State If problems occur after you install a device dr iver , use Device Driver Rollback (see pa ...

  • Dell U7021 - page 63

    Advanced T roubleshooting 63 3 Click Next . The System Restore screen appears and the computer r estarts. 4 After the computer restarts, click OK . Enabling Sy stem Restore If you reinstall W indows XP with less than 200 MB of fr ee hard-disk space available, System Restore is automatically disabled. T o see if System Restore is enabled: 1 Click th ...

  • Dell U7021 - page 64

    64 Advanced T roubleshooting www .dell.com | support.dell.com 6 When prompted, click Ye s . The computer restarts. Because the computer is r estored to its original operating state, the screens that appear , such as the End User Li cense Agreement, ar e the same ones that appeared the first time the computer was turned on. 7 Click Next . The System ...

  • Dell U7021 - page 65

    Advanced T roubleshooting 65 Reinstalling Windows XP T o reinstall W indows XP , perform all the steps in the following sections in the order in which they are listed. The reinstallation process can tak e 1 to 2 hour s to complete. After you reinstall the operating system, you must also reinstall the device drivers, virus protection program, and ot ...

  • Dell U7021 - page 66

    66 Advanced T roubleshooting www .dell.com | support.dell.com NOTICE: Do not press any key when the following message appears: Press any key to boot from the CD . 6 When the Regional and Language Options screen appears, select the settings for your location and click Next . 7 Enter your name and organization (optional) in the P ersonalize Y our Sof ...

  • Dell U7021 - page 67

    Removing and Installing Parts 67 Removing and Installing Parts Before Y ou Begin This chapter provides procedures for r emoving and installing the components in your computer . Unless otherwise noted, each procedure a ssumes that the following conditions e xist: • Y ou have performed the steps in "Turning Off Your Computer" (s ee page 6 ...

  • Dell U7021 - page 68

    68 Removing and Installing Parts www .dell.com | support.dell.com Before W orking Inside Y our Computer Use the following safety guidelines to help protec t your computer from potential damage and to help ensure your own personal safety . CAUTION: Before you begin any of the pro cedures in this section, follow the safety instructions located in the ...

  • Dell U7021 - page 69

    Removing and Installing Parts 69 Front and Back V iew of the Computer Front View 2 1 3 4 1 hard-drive activity light The hard-drive light is on when the computer r eads data from or writes data to the hard drive. The light might also be on when a device such as yo ur CD player is operating. 2 power button P ress to turn on the computer . NOTICE: T ...

  • Dell U7021 - page 70

    70 Removing and Installing Parts www .dell.com | support.dell.com Front View (Doors Open) 2 1 3 4 1 headphone connector Use the headphone connector to attach headphones and most kinds of speakers. 2 microphone connector Use the microphone connector to attach a personal computer microphone for voice or musical input into a sound or telephony program ...

  • Dell U7021 - page 71

    Removing and Installing Parts 71 Back View 7 11 9 2 1 3 13 12 15 16 5 17 19 8 6 14 4* 10 18 * Not present on all computers 1 processor fans (2) F or optimal cooling, two proc essor fans are provided. Do not block the vents. 2 cover latch release T o open the computer , lay the computer on it s side with the cover latch release at the top and then p ...

  • Dell U7021 - page 72

    72 Removing and Installing Parts www .dell.com | support.dell.com 5 DVI video connector If your monitor has a DV I connector , plug it into the DVI connector on the computer . If your monitor has a VGA connector , plug it into the VGA connector on the computer . 6 VGA video connector If your monitor ha s a D VI connector , plug it into the D VI con ...

  • Dell U7021 - page 73

    Removing and Installing Parts 73 Opening the Computer Cover CAUTION: Before you begin any of the procedures in this section , follow the safety instructions located in the Product Information Guide . CAUTION: T o prevent static damage to components inside yo ur computer , discharge static electricity from your body before you touch any of your comp ...

  • Dell U7021 - page 74

    74 Removing and Installing Parts www .dell.com | support.dell.com Inside V iew of Y our Computer hard drive shroud floppy drive CD/DVD drive sy stem board processor airflow shroud power supply processor fan power supply fans (2) PCI card shroud and fan ...

  • Dell U7021 - page 75

    Removing and Installing Parts 75 Sy stem Board Components hard-drive connector (PRI_IDE) battery socket (BA TTERY) SCSI LED header (SCSI LED) front-panel connector (FRONT P ANEL) front-panel light connector (LED) rear fan connector (REAR F A N1) processor and heat- sink connector main power connector (PWR) internal speaker (SPKR) serial A T A conne ...

  • Dell U7021 - page 76

    76 Removing and Installing Parts www .dell.com | support.dell.com Memory Y ou can increase your computer memory by inst alling memory modules on the system boar d. Y our computer supports DDR2 memory . F or addit ional information on the type of memory supported by your computer , see "Memory" on page 115. DDR2 Memory Overview • DDR2 me ...

  • Dell U7021 - page 77

    Removing and Installing Parts 77 NOTE: Memory purchased from Dell is co vered under your computer warranty . NOTICE: If you remove your original memory modules fr om the computer during a memory upgrade, keep them separate from any new modules that you may have, even if you purchased the new modules from Dell. If possible, do not pair an original m ...

  • Dell U7021 - page 78

    78 Removing and Installing Parts www .dell.com | support.dell.com 3 P ress out the securing clip at each end of the memory module connector . 4 Align the notch on the bottom of the mo dule with the crossbar in the connector . NOTICE: T o avoid damage to the memory module, press the module straight down into the connector while you apply equal force ...

  • Dell U7021 - page 79

    Removing and Installing Parts 79 6 Close the computer cover . NOTICE: T o connect a network cable , first plug the cable in to the network wall jack and then plug it into the computer . 7 Connect your computer and devices to el ectrical outlets, and turn them on. 8 Right-click the My Computer icon and click P rop erties . 9 Click the General tab. 1 ...

  • Dell U7021 - page 80

    80 Removing and Installing Parts www .dell.com | support.dell.com Y our Dell™ computer provides the follow ing slots for PCI and PCI Expr ess cards: • F our PCI card slots • One PCI Express x16 car d slot • One PCI Express x1 car d slot PCI Cards If you are installing or r eplacing a card, follow the procedur es in the next section. If you ...

  • Dell U7021 - page 81

    Removing and Installing Parts 81 3 If you are installing a new car d, remove the f iller bracket to cr eate a card-slot opening. Then continue with step 5. 4 If you are r eplacing a card that is alread y installed in the computer , remove the card. If necessary , disconnect any cables connected to the card. Grasp the car d by its top corners, and e ...

  • Dell U7021 - page 82

    82 Removing and Installing Parts www .dell.com | support.dell.com 8 P ress the retention arm into place, securing the car d(s) in the computer . NOTICE: Do not route card cables over or behind the cards. Cables ro uted over the cards can prevent the computer cover from closing proper ly or cause damage to the equipment. 9 Connect any cables that sh ...

  • Dell U7021 - page 83

    Removing and Installing Parts 83 5 If you are r emoving the card permanently , in stall a filler bracket in the empty car d-slot opening. If you need a filler bracket, contact Dell (see page 131). NOTE: Installing filler brackets over empty card-slot op enings is necessary to maintain FCC certification of the computer . The brackets also keep dust ...

  • Dell U7021 - page 84

    84 Removing and Installing Parts www .dell.com | support.dell.com Installing a PCI Express Card 1 F ollow the procedures in "Befor e Y ou Begin" on page 67. 2 P ress the lever on the card r etentio n arm and raise the retention arm. edge connector card connector filler bracket retention arm lever securing tab securing slot edge connector ...

  • Dell U7021 - page 85

    Removing and Installing Parts 85 3 If you are installing a new car d, remove the f iller bracket to cr eate a card-slot opening. Then continue with step 5. 4 If you are r eplacing a card that is alread y installed in the computer , remove the card. If necessary , disconnect any cables connected to the card. If your car d includes a retention mechan ...

  • Dell U7021 - page 86

    86 Removing and Installing Parts www .dell.com | support.dell.com 8 If you replaced a car d that was already installe d in the computer and you r emoved the top of the retention mechanism, you can r einstall the top. 9 Before you lower the r etention arm, ensure that: • The tops of all cards and filler brack ets are flush with the alignment bar . ...

  • Dell U7021 - page 87

    Removing and Installing Parts 87 Removing a PCI Express Card 1 F ollow the procedures in "Befor e Y ou Begin" on page 67. 2 P ress the lever on the card r etention arm and raise the retention arm. 3 If necessary , disconnect any cables connected to the card. 4 If your card includes a r etention mechanism, re move the top of the r e tentio ...

  • Dell U7021 - page 88

    88 Removing and Installing Parts www .dell.com | support.dell.com Drives Y our computer supports a combination of these devices: • Up to three har d drives • One floppy drive • Up to two CD or DV D drives General Installation Guidelines Connect serial A T A hard drives to the system boar d connectors labeled SA T A-0, SA T A-1, SA T A-2, or S ...

  • Dell U7021 - page 89

    Removing and Installing Parts 89 Connecting Drive Cables When you install a drive, you connect two cables— a DC power cable and a data cable—to the back of the drive and to the system boar d. Some drives may also have an audio connector; one end of the audio cable attaches to the dr ive connector and the other end attaches to the system board. ...

  • Dell U7021 - page 90

    90 Removing and Installing Parts www .dell.com | support.dell.com Power Cable Connector Hard Drive CAUTION: Before you begin any of the proce dures in this section, follow the safety instructions located in the Product Information Guide . NOTICE: T o avoid damage to the drive, do not set it on a hard surface. Instead, set the drive on a surface, su ...

  • Dell U7021 - page 91

    Removing and Installing Parts 91 3 Disconnect the power and hard-drive cables from the drive and from the system boar d. 4 P ress in on the tabs on each side of the drive and slide the drive up and out. Installing a Hard Drive 1 Unpack the replacement har d drive, and prepare it for installation. 2 Check the documentation for the drive to verify th ...

  • Dell U7021 - page 92

    92 Removing and Installing Parts www .dell.com | support.dell.com 4 Install the hard drive into the computer by ge ntly sliding the drive into place until the tabs securely click into position. NOTE: If you are installing a hard driv e in the lower bay , pl ace the drive in the bay so that the power connector is on the left-hand side (opposite of t ...

  • Dell U7021 - page 93

    Removing and Installing Parts 93 11 Close the computer cover (see page 114). NOTICE: T o connect a network cable , first plug the cable in to the network wall jack and then plug it into the computer . 12 Connect your computer and devices to el ectrical outlets, and turn them on. See the documentation that came with the drive for instructions on ins ...

  • Dell U7021 - page 94

    94 Removing and Installing Parts www .dell.com | support.dell.com 19 If the drive you just installed is the primary driv e, install your operating system on the hard drive. Adding a Second Hard Drive CAUTION: Before you begin any of the proce dures in this section, follow the safety instructions located in the Product Information Guide . CAUTION: T ...

  • Dell U7021 - page 95

    Removing and Installing Parts 95 7 Connect a power cable to the drive. 8 Connect the hard-drive cable to the driv e and to the system boar d (see page 75). 9 Close the computer cover (see page 114). NOTICE: T o connect a network cable, firs t plug the cable into the network device and then plug it into the computer . 10 Connect your computer and de ...

  • Dell U7021 - page 96

    96 Removing and Installing Parts www .dell.com | support.dell.com Removing a Floppy Drive 1 Disconnect the power and data cables from the back of the floppy drive. 2 Disconnect the other end of the data cable from the system board. 3 P ress inward on the two tabs on the sides of th e drive, slide the drive upwar d, and remove it from the floppy-dri ...

  • Dell U7021 - page 97

    Removing and Installing Parts 97 2 Gently slide the drive into place until the tabs securely click into position. drive screws (4) bracket rails (2) data cable power cable tabs (2) floppy drive ...

  • Dell U7021 - page 98

    98 Removing and Installing Parts www .dell.com | support.dell.com 3 Attach the power and data cables to the floppy drive. 4 Connect the other end of the data cable to the connector labled FLOPPY on the system board (see page 75). 5 Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents. 6 Close ...

  • Dell U7021 - page 99

    Removing and Installing Parts 99 3 P ress inward on the two tabs on the sides of th e drive, and then slide the drive upwar d and remove it from the drive bay . Installing a CD/DVD Drive 1 If you are installing a new drive, unpack the drive and pr epare it for installation. Check the documentation that accompanied the driv e to verify that the driv ...

  • Dell U7021 - page 100

    100 Removing and Installing Parts www .dell.com | support.dell.com 3 If you are installing a r eplacement drive and th e new drive does not have the bracket rails attached, remove the rails from the old drive by r emoving the tw o screws that secur e each rail to the drive. Attach the bracket to the new drive by aligning the scr ew holes on the dri ...

  • Dell U7021 - page 101

    Removing and Installing Parts 101 6 Check all cable connections, and fold cables out of the way to provide airflow for the fan and cooling vents. 7 Close the computer cover (see page 114). NOTICE: T o connect a network cable , first plug the cable in to the network wall jack and then plug it into the computer . 8 Connect your computer and devices t ...

  • Dell U7021 - page 102

    102 Removing and Installing Parts www .dell.com | support.dell.com Processor Airflow Shroud Removing the Processor Airflow Shroud CAUTION: Before you perform this pr ocedure, follow the safety instructions located in the Product Information Guide . CAUTION: T o prevent static damage to components inside your computer , disch arge static electricity ...

  • Dell U7021 - page 103

    Removing and Installing Parts 103 Installing the Processor Airflow Shroud 1 Attach both fan power cables to the connectors on the system board. 2 Align the anchor tabs with the securing slots. 3 Gently press the shroud until the anchor tabs snap secur ely into place. 4 Close the computer cover . NOTICE: T o connect a network cable , first plug the ...

  • Dell U7021 - page 104

    104 Removing and Installing Parts www .dell.com | support.dell.com CAUTION: The heat sink can get very hot during normal operation. Be su re that the heat sink has had sufficient time to cool b efore you touch it. 5 Remove the heat sink: a Remove the retention module clips. P ress the tabs towar d the center of the clip and lift up. anchor tabs (3) ...

  • Dell U7021 - page 105

    Removing and Installing Parts 105 b On the retention base locate the tab opposite the power supply . P ress on the retention base tab until the heat sink pops up slightly . c P ress out on the second retention tab while lifting the heat sink up and out of the retention base. NOTICE: Lay the heat sink down on its side. NOTICE: If you are installing ...

  • Dell U7021 - page 106

    106 Removing and Installing Parts www .dell.com | support.dell.com 7 Open the processor cover . 8 Remove the processor from the socket. Leave the release lever extended in the r elease position so that the socket is ready for the new processor . Installing the Processor NOTICE: Ground yourself by touching an unpainted metal surface on th e back of ...

  • Dell U7021 - page 107

    Removing and Installing Parts 107 3 Align the pin-1 corners of the processor and socket. NOTICE: Socket pins are delicate. T o avoid damage, en sure that the pr ocessor is aligned properly with the socket, and do not use excessive force when you install the pr ocess. Be careful not to touch or bend the pins on the sy stem board. 4 Set the processor ...

  • Dell U7021 - page 108

    108 Removing and Installing Parts www .dell.com | support.dell.com 7 Install the heat sink: a Slide one end of the heat sink under the retention tab. b P ull out the other retention tab and lower the he at sink until it fits secur ely in the base. NOTICE: Ensure the heat sink is co rrectly seated and secure. 8 Reinstall the retention module clips. ...

  • Dell U7021 - page 109

    Removing and Installing Parts 109 4 Close the computer cover halfway and pull the front panel away from the computer . Replacing the Front Panel T o replace the front panel, perform the removal procedur e in reverse. ...

  • Dell U7021 - page 110

    110 Removing and Installing Parts www .dell.com | support.dell.com Drive Door CAUTION: Before you begin any of the proc edures in this section, fo llow the safety instructions located in the Product Information Guide . Removing the Drive Door 1 Open the drive door . ...

  • Dell U7021 - page 111

    Removing and Installing Parts 111 2 Unsnap the top bracket hinge and pull the to p of the drive door outwar d, away from the computer . 3 Lift the bottom bracket hinge away from the computer . Replacing the Drive Door T o prevent damage to your computer , the drive door is designed to "break away" from the computer if it is opened too far ...

  • Dell U7021 - page 112

    112 Removing and Installing Parts www .dell.com | support.dell.com If the drive door is open and it is opened too far , instead of breaking away from the computer in one piece, the drive door may disassemble into several smaller pieces. If the drive door disassembles: 1 If necessary , reattach the door hinges to the d oor bracket. Ensur e that the ...

  • Dell U7021 - page 113

    Removing and Installing Parts 113 Battery Replacing the Battery CAUTION: Before you begin any of the procedures in this section , follow the safety instructions located in the Product Information Guide . NOTICE: T o prevent static damage to components inside your computer , discharge static electricity from your body before you touch any of your co ...

  • Dell U7021 - page 114

    114 Removing and Installing Parts www .dell.com | support.dell.com NOTICE: T o connect a network cable, first plug the cable into the network device and then plug it into the computer . 7 Connect your computer and devices to elec trical outlets, and turn them on. 8 Enter system setup (see page 119) and restor e the settings you recor ded in step 1. ...

  • Dell U7021 - page 115

    Appendix 115 Appendix Specifications Processor P r ocessor type Intel ® Pe n t i u m ® 4 with HT T echnology NOTE: Not all Pentium 4 processors support Hyper -Threading technology . Cache 512 KB, 1 MB, or 2 MB Memory T ype 400- and 533-MHz DDR2 unbuffered SDR AM Memory connectors four Memory capacities 256 MB, 512 MB, or 1 GB non-ECC Minimum memo ...

  • Dell U7021 - page 116

    116 Appendix www .dell.com | support.dell.com Expansion Bus Bus type PCI 2.3 PCI Express x1 and x16 Bus speed PCI: 33 MHz PCI Express: x1 slot bidirectional speed - 500 MB/s x16 slot bidirectional speed - 8 GB/s PCI connector four connector size 120 pins connector data width (maximum) 32 bits PCI Express connector one x1 connector size 36 pins conn ...

  • Dell U7021 - page 117

    Appendix 117 Connectors External connectors: Serial 9-pin connector; 16550C-compatible P arallel 25-hole connector (bidirectional) IEEE 1394 front-panel 6-pin serial connector Video 15-hole connector Network adapter RJ45 connector PS/2 (keyboar d and mouse) two 6-pin mini-DIN USB two front-panel and six back-p anel USB 2.0–compliant connectors Au ...

  • Dell U7021 - page 118

    118 Appendix www .dell.com | support.dell.com Link integrity light (on integrated network adapter) green light — A good connection exists between a 10-Mbps network and the computer . orange light — A good connection exists between a 100-Mbps network and the computer . yellow light — A good connection exists between a 1 GB (or 1000-Mbps) conne ...

  • Dell U7021 - page 119

    Appendix 119 Sy stem Setup Overview Use system setup as follows: • T o change the system configuration information after you add, change, or remove any hardwar e in your computer • T o set or change a user-selectable option such as the user passwor d • T o read the current amount of memory or set the type of har d drive installed Before you u ...

  • Dell U7021 - page 120

    120 Appendix www .dell.com | support.dell.com Entering Sy stem Setup 1 T urn on (or restart) your computer . 2 When the blue DELL™ logo appears, press <F2> immediately . If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft ® W indows ® desktop. Then shut down your computer (see page 67) ...

  • Dell U7021 - page 121

    Appendix 121 Sy stem Setup Options NOTE: Depending on your comp uter and installed devices, the item s listed in this section may not appear , or may not appea r exactly as listed. System System Info Lists system information such as the computer name, the BIOS version number and date, system tags, and other system-specific information. CPU Info Ide ...

  • Dell U7021 - page 122

    122 Appendix www .dell.com | support.dell.com LPT Port Mode Identifies and defines the parallel port settings. Y ou can set the parallel port to Off, AT , PS/2 , EPP , or ECP . LPT Port Address Identifies the address for the parallel port. LPT Port DMA Identifies and defines the parallel port DMA settings. Y ou can set the parallel port DMA to Off ...

  • Dell U7021 - page 123

    Appendix 123 Power Management AC Recovery Determines what happens when AC power is r estored to the computer . Auto Power On Sets the computer to automa tically turn on. Choices are every day or every Monday through F riday . The default setting is Off . This feature does not work if you turn off your computer using a power strip or surge protector ...

  • Dell U7021 - page 124

    124 Appendix www .dell.com | support.dell.com Boot Sequence This feature allows you to change the boot sequence for devices. Option Settings • Diskette Drive — The computer attempts to boot from the floppy drive. If the floppy disk in the drive is not bootable, if no floppy disk is in th e drive, or if there is no floppy drive installed in the ...

  • Dell U7021 - page 125

    Appendix 125 3 When F2 = Setup, F12 = Boot Menu appears in the upper -right corner of the screen, press <F12>. If you wait too long and the operating system lo go appears, continue to wait until you see the Microsoft W indows desktop. Then shut down your computer (see page 67) and try again. The Boot Device Menu appears, listing all available ...

  • Dell U7021 - page 126

    126 Appendix www .dell.com | support.dell.com Clearing Forgotten Passwords CAUTION: Before you begin any of the proce dures in this section, follow the safety instructions located in the Product Information Guide . 1 F ollow the procedures in "Befor e Y ou Begin" on page 67. 2 Locate the 3-pin password jumper (P ASS) on th e system board ...

  • Dell U7021 - page 127

    Appendix 127 NOTICE: T o connect a network cable , first plug the cable in to the network wall jack and then plug it into the computer . 11 Connect your computer and devices to el ectrical outlets, and turn them on. Clearing CMOS Settings CAUTION: Before you begin any of the procedures in this section , follow the safety instructions located in the ...

  • Dell U7021 - page 128

    128 Appendix www .dell.com | support.dell.com Mouse If your screen cursor skips or moves abnormally , clean the mouse. T o clean a non-optical mouse: 1 T urn the retainer ring on the underside of your mouse counterclockwise, and then remove the ball. 2 W ipe the ball with a clean, lint-free cloth. 3 Blow carefully into the ball cage to dislodge dus ...

  • Dell U7021 - page 129

    Appendix 129 Dell T echnical Support Policy (U.S. Only) T echnician-assisted technical support requires th e cooperation and participation of the customer in the troubleshooting process and provides for restoration of the operating system, softwar e programs, and hardwar e drivers to the original default configuration as shipped from Dell, as well ...

  • Dell U7021 - page 130

    130 Appendix www .dell.com | support.dell.com Once you have determined your system’s FCC cl assification, read the appropriate FCC notice. Note that FCC regulations provide that changes or modifications not e xpressly approved by Dell could void your authority to operate this equipment. This device complies with P art 15 of the FCC Ru les. Operat ...

  • Dell U7021 - page 131

    Appendix 131 FCC Identification Information The following information is provided on the de vice or devices covered in this document in compliance with FCC regulations: • Model number: WHL Company name: Dell Inc. One Dell W ay Round Rock, T exas 78682 USA 512-338-4400 Contacting Dell T o contact Dell™ electronically , yo u can access the follow ...

  • Dell U7021 - page 132

    132 Appendix www .dell.com | support.dell.com Argentina (Buenos Aires) International Access Code: 00 Country Code: 54 City Code: 11 W ebsite: www .dell.com.ar E-mail: us_latin_services@dell.com E-mail for desktop and portable computers: la-techsupport@dell.com E-mail for servers and EMC: la_enterprise@dell.com Customer Care toll-free: 0-800-444-073 ...

  • Dell U7021 - page 133

    Appendix 133 Barbados General Support 1-800-534-3066 Belgium (Brussels) International Access Code: 00 Country Code: 32 City Code: 2 W ebsite: support.euro.dell.com E-mail for F rench Speaking Customers: support.euro .dell.com/be/fr/emaildell/ T echnical Support 02 481 92 88 T echnical Support F ax 02 481 92 95 Customer Care 02 713 15 .65 Corporate ...

  • Dell U7021 - page 134

    134 Appendix www .dell.com | support.dell.com Chile (Santiago) Country Code: 56 City Code: 2 Sales, Customer Support, and T echnical Support toll-free: 1230-020-4823 China (Xiamen) Country Code: 86 City Code: 592 T echnical Support website: support.dell.com.cn T echnical Support E-mail: cn_support@dell.com Customer Care E-mail: customer_cn@dell.com ...

  • Dell U7021 - page 135

    Appendix 135 Czech Republic (P rague) International Access Code: 00 Country Code: 420 W ebsite: support.euro.dell.com E-mail: czech_dell@dell.com T echnical Support 22537 2727 Customer Care 22537 2707 Fa x 22537 2714 T ech F ax 22537 2728 Switchboard 22537 2711 Denmark (Copenhagen) International Access Code: 00 Country Code: 45 W ebsite: support.eu ...

  • Dell U7021 - page 136

    136 Appendix www .dell.com | support.dell.com F rance (P aris) (Montpellier) International Access Code: 00 Country Code: 33 City Codes: (1) (4) W ebsite: support.euro.dell.com E-mail: support.euro .dell.com/fr/fr/emaildell/ Home and Small Business T echnical Support 0825 387 270 Customer Care 0825 823 833 Switchboard 0825 004 700 Switchboard (calls ...

  • Dell U7021 - page 137

    Appendix 137 Greece International Access Code: 00 Country Code: 30 W ebsite: support.euro.dell.com E-mail: support.euro .dell.com/gr/en/emaildell/ T echnical Support 00800-44 14 95 18 Gold Service T echnical Support 00800-44 14 00 83 Switchboard 2108129810 Gold Service Switchboard 2108129811 Sales 2108129800 Fa x 2108129812 Grenada General Support ...

  • Dell U7021 - page 138

    138 Appendix www .dell.com | support.dell.com Ireland (Cherrywood) International Access Code: 16 Country Code: 353 City Code: 1 W ebsite: support.euro.dell.com E-mail: dell_direct_support@dell.com T echnical Support 1850 543 543 U.K. T echnical Support (dial within U.K. only) 0870 908 0800 Home User Customer Care 01 204 4014 Small Business Customer ...

  • Dell U7021 - page 139

    Appendix 139 Japan (Kawasaki) International Access Code: 001 Country Code: 81 City Code: 44 W ebsite: support.jp.dell.com T echnical Support (servers) toll-free: 0120-198-498 T echnical Support outside of Japan (servers) 81-44-556-4162 T echnical Support (Dimension and Inspiron) toll-free: 0120-198-226 T echnical Support outside of Japan (Dimension ...

  • Dell U7021 - page 140

    140 Appendix www .dell.com | support.dell.com Latin America Customer T echnical Support (Austin, T exas, U.S.A.) 512 728-4093 Customer Service (Austin, T exas, U.S.A.) 512 728-3619 F ax (T echnical Support and Customer Service) (Austin, T exas, U.S.A.) 512 728-3883 Sales (Austin, T exas, U.S.A.) 512 728-4397 SalesF ax (Austin, T exas, U.S.A.) 512 7 ...

  • Dell U7021 - page 141

    Appendix 141 Mexico International Access Code: 00 Country Code: 52 Customer T echnical Support 001-877-384-8979 or 001-877-269-3383 Sales 50-81-8800 or 01-800-888-3355 Customer Service 001-877-384-8979 or 001-877-269-3383 Main 50-81-8800 or 01-800-888-3355 Montserrat General Support toll-free: 1-866-278-6822 Netherlands Antilles General Support 001 ...

  • Dell U7021 - page 142

    142 Appendix www .dell.com | support.dell.com Norway (L ysaker) International Access Code: 00 Country Code: 47 W ebsite: support.euro.dell.com E-mail: http://support.euro .dell.com/no/no/emaildell/ T echnical Support 671 16882 Relational Customer Care 671 17575 Home/Small Business Customer Care 23162298 Switchboard 671 16800 F ax Switchboard 671 16 ...

  • Dell U7021 - page 143

    Appendix 143 Singapore (Singapore) International Access Code: 005 Country Code: 65 W ebsite: support.ap.dell.com T echnical Support (Dimension, Inspiron, and Electronics and Accessories) toll-free: 1800 394 7430 T echnical Support (OptiPlex, Latitude, and Dell P recision) toll-free: 1800 394 7488 T echnical Support (P owerApp, P owerEdge, P owerCon ...

  • Dell U7021 - page 144

    144 Appendix www .dell.com | support.dell.com Spain (Madrid) International Access Code: 00 Country Code: 34 City Code: 91 W ebsite: support.euro.dell.com E-mail: support.euro .dell.com/es/es/emaildell/ Home and Small Business T echnical Support 902 100 130 Customer Care 902 118 540 Sales 902 118 541 Switchboard 902 118 541 Fa x 902 118 539 Corporat ...

  • Dell U7021 - page 145

    Appendix 145 Ta i w a n International Access Code: 002 Country Code: 886 W ebsite: support.ap.dell.com E-mail: ap_support@dell.com T echnical Support (OptiPlex, Latitude, Inspiron, Dimension, and Electronics and Accessories) toll-free: 00801 86 1011 T echnical Support (P owerApp, P owerEdge, P owerConnect, and P owerV ault) toll-free: 00801 60 1256 ...

  • Dell U7021 - page 146

    146 Appendix www .dell.com | support.dell.com U.K. (Bracknell) International Access Code: 00 Country Code: 44 City Code: 1344 W ebsite: support.euro.dell.com Customer Care website: support.euro .dell.com/uk/en/ECare/F orm/Home.asp E-mail: dell_direct_support@dell.com T echnical Support (Corporate/P referred Accounts/P AD [1000+ employees]) 0870 908 ...

  • Dell U7021 - page 147

    Appendix 147 U.S.A. (Austin, T exas) International Access Code: 011 Country Code: 1 Automated Or der-Status Service toll-free: 1-800-433-9014 AutoT ech (portable and desktop computers) toll-free: 1-800-247-9362 Consumer (Home and Home Office) T echnical Support toll-free: 1-800-624-9896 Customer Service toll-free: 1-800-624-9897 DellNet™ Service ...

  • Dell U7021 - page 148

    148 Appendix www .dell.com | support.dell.com ...

  • Dell U7021 - page 149

    Index 149 Index A audio . See sound B badge color , 1 4 battery problems, 3 7 replacing, 1 1 3 BIOS, 119 boot sequence, 124 c h a n g i n g , 124-125 option settings, 1 2 4 booting to a USB device, 1 2 4 C car ds installing PCI, 8 0 installing PCI Express, 8 4 PCI, 8 0 PCI Express, 8 3 PCI Express slots, 7 2 PCI slots, 7 2 removing PCI, 8 2 removin ...

  • Dell U7021 - page 150

    150 Index 150 Index diagnostics Dell, 5 6 lights, 5 3 display . See monitor documentation Dell Solution Center , 9 End User License Agreement, 1 0 ergonomics, 1 0 F inding Information, 9 online, 1 1 P roduct Information Guide, 1 0 reg u l at o r y , 1 0 ResourceCD, 9 safety , 1 0 Setup Diagram, 1 0 warranty , 1 0 doors drive door , removing, 1 1 0 ...

  • Dell U7021 - page 151

    Index 151 K key b oa rd connector , 7 2 problems, 4 1 L labels Microsoft W indows, 1 0 Service T ag, 1 0 lights back of computer , 5 3 diagnostic, 5 3 hard-drive activity , 6 9 M memory 4-GB configurations, 7 7 DDR2 overview , 7 6 installation guidelines, 7 6 installing, 7 7 problems, 4 4 removing, 7 9 type supported, 7 6 messages error , 4 0 micro ...

  • Dell U7021 - page 152

    152 Index 152 Index problems battery , 3 7 blue screen, 4 3 CD drive, 3 8 CD-R W drive, 3 8 computer crashes, 4 2 - 4 3 computer stops responding, 4 2 Dell Diagnostics, 5 6 diagnostic lights, 5 3 drives, 3 7 D VD drive, 3 8 e-mail, 3 9 error messages, 4 0 general, 4 2 hard drive, 3 9 IEEE 1394, 4 1 Internet, 3 9 keyboar d, 4 1 memory , 4 4 modem, 3 ...

  • Dell U7021 - page 153

    Index 153 System Restore, 61 system setup, 119 entering, 1 2 0 options, 1 2 1 screens, 1 2 0 T technical support p o l i c y , 127 transferring information to a new computer , 26 troubleshooting Dell Diagnostics, 5 6 diagnostic lights, 5 3 Hardwar e T roubleshooter , 6 4 Help and Support Center , 1 1 restor e to previous state, 6 1 tips, 3 7 TV con ...

  • Dell U7021 - page 154

    154 Index 154 Index ...

Manufacturer Dell Category Personal Computer

Documents that we receive from a manufacturer of a Dell U7021 can be divided into several groups. They are, among others:
- Dell technical drawings
- U7021 manuals
- Dell product data sheets
- information booklets
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Dell U7021.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Dell U7021, service manual, brief instructions and user manuals Dell U7021. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Dell U7021.

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A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Dell U7021 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Dell U7021.

A complete Dell manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

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3. Tips how to use the basic functions of the device Dell U7021 - which should help us in our first steps of using Dell U7021
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Dell U7021
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