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Manuale per l’uso Dell L400

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  • Dell L400 - page 1

    www .dell.com Dell™ Latitu de™ L400 SERVICE MANUAL ...

  • Dell L400 - page 2

    Notes , Notice s, an d Cautio ns Thro ughout t his guide, bloc ks of te xt ma y be ac companied b y an i con and prin ted in bold type or in it al ic t y pe. Thes e blo c ks a re no tes , noti ces , and caut io ns, and they ar e us ed as follows: NO TE : A NO TE indic ates imp ortant info rmation tha t helps y ou make bet ter use of y our computer ...

  • Dell L400 - page 3

    v Contents Recommended Tools. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Prep arin g to Wor k Insid e Yo ur Com pu ter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Screw Identif ication and Ti ghtening . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ZIF Connect ors . . . . ...

  • Dell L400 - page 4

    vi Figu re 6 . Hard- Disk Dr ive A sse mbly R emo val . . . . . . . . . . . . . . . . . . . . . . . 7 Figu re 7 . Keyb oar d Be zel Rem oval . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Figure 8 . Displa y As semb ly R emov al . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Figure 9. Dis play Assemb ly Be zel Re m ...

  • Dell L400 - page 5

    suppor t.del l.co m Dell L atitude L40 0 Ser vice Manu al 1 Dell™ Latitude™ L400 Service Manual Th is manual pro vides instr uctions f or removi ng and replacing field-r eplaceable components, assemblies, and subassemblie s in your Dell Latitu de com puter . Unless other wise noted, eac h procedure in this manual ass umes the foll owing conditi ...

  • Dell L400 - page 6

    2 Dell Lati tude L40 0 Se r vi ce Manu al R e commended T ools Most of the procedures in this manual require the use of one or more of th e f ollo wing tools: • #0 and #1 magnetiz ed Phillips- head screw drivers • Small fl at-blad e screw driv er • 5-mm soc ket wrenc h • Small plast ic scribe • Needle-nose plier s P reparing to W ork Insi ...

  • Dell L400 - page 7

    support .dell .com Dell Latitude L 40 0 Ser v ice Ma nual 3 Fi gure 2. M ain Battery Assembly R emoval 9. Ground y ourself b y touc hing the unpainted metal surface of an I/ O connector on the bac k of the computer . NOT ICE: While you wo rk, per iodical ly touch the I/ O pane l to dissipa te any s tatic ele ctricit y that mi ght harm compone nts. ...

  • Dell L400 - page 8

    4 Dell Lati tude L40 0 Se r vi ce Manu al When you are remo ving and replacing components, photocop y the T able 1 placement mat as a tool to lay out and k eep trac k of the component scre ws. T able 1. Scr ew Placement Mat Wit h Component Scr ew Counts and Sizes Hard-Disk Dr ive Assembly: M3 x 3 mm (2 eac h, blac k) Displa y Assembly Hinge to Base ...

  • Dell L400 - page 9

    support .dell .com Dell Latitude L 40 0 Ser v ice Ma nual 5 ZIF Connectors Some of the computer ’ s interf ace connectors are z ero inserti on fo rce (ZIF) connectors. The se connectors are not remov able, but the y must be released to disc onnect a cab le from them (see Figure 4). Fi gure 4. Disconnecting an Interface Cable NOTICE: The ZIF con n ...

  • Dell L400 - page 10

    6 Dell Lati tude L40 0 Se r vi ce Manu al R e moving Fi eld-R eplaceable P arts and Assemblies Fi gure 5. Exploded View—Computer display assemb ly keyb oa r d palm rest assemb ly sy stem bo ard asse mbly hard-d isk drive main batter y bot tom case asse mbl y righ t hing e cover left hinge co ver audio EM I shield audio I/O po rt cover keybo ard b ...

  • Dell L400 - page 11

    support .dell .com Dell Latitude L 40 0 Ser v ice Ma nual 7 T he foll owing subsec tions pro vide instr uctions f or remov ing and replacin g field-repl aceable part s and assembl ies. Hard-Disk Drive Assembly Figure 6. H ard -Disk Dr ive A ssem bly Removal NOTICE: T o avoid dam aging the syste m board, you mus t remove the main batte ry before you ...

  • Dell L400 - page 12

    8 Dell Lati tude L40 0 Se r vi ce Manu al Ke y b o a r d B e z e l Figure 7. K eyboard Bezel Removal NOTICE: T o avoid damagi ng t he syst em b oard, you mu st rem ove the main batte ry before you service the computer . NOTICE: T o avoid dama ging the m icrophon e, d o not put a ny objects into the microp hone hole (s ee Fig ure 7). 1 . Place th e ...

  • Dell L400 - page 13

    support .dell .com Dell Latitude L 40 0 Ser v ice Ma nual 9 Display Assembly Fi gure 8. D isplay Assembly Removal NOTICE: T o avoid dam aging the syste m board, you mus t remove the battery before you servic e the computer . 1 . Re mov e the ke yboard bez el. 2. Close the displa y . 3. Remo ve the tw o silv er M2 x 4- mm screws at the ba c k of the ...

  • Dell L400 - page 14

    1 0 Dell Latit ude L4 00 Ser vice M anual 6. T urn the c omputer right -side up. 7 . Open the displ ay . 8. R emov e the lef t and ri ght hinge c ov ers. NO TE: When replacing the displ ay assembly , the lef t hinge cov er must go o ver the lef t hinge and the right hin ge cov er m ust go ov er the right hinge. Th ey are not int erc hangeable. An L ...

  • Dell L400 - page 15

    support .dell .com Dell Latitude L 40 0 Ser v ice Ma nual 1 1 7 . R einstall the two M2 x 4-mm scre ws in t he bac k of t he computer that secure th e display asse mbly to the bac k of the bot tom case. 8. Tighten the two scre ws that you ins t alled in step 6. 9. Open the displa y and reinst all the lef t and right hinge co ver s. An L is stamped ...

  • Dell L400 - page 16

    1 2 Dell Latit ude L4 00 Ser vice M anual NOTICE: T o avoid damagi ng t he syst em b oard, you mu st rem ove the main batte ry before you service the computer . 1 . Use a scribe to caref ully pr y the six ru bber scre w cov ers out of the six scre w holes located alo ng the top and bot tom of the bez el on the front of the displa y assembly (see Fi ...

  • Dell L400 - page 17

    support .dell .com Dell Latitude L 40 0 Ser v ice Ma nual 1 3 T o replace the displa y-assembl y latc h, perfor m the foll owing steps: 1 . Carefu lly place the latc h spring o ver t he post on the displa y-assembly t op co ver . Y ou may need to use a small flat- blade scre wdriv er to place the spring o ver the post. Hold the spring on th e post ...

  • Dell L400 - page 18

    1 4 Dell Latit ude L4 00 Ser vice M anual 2. R emov e the ke yboard bez el. 3. R emov e the displa y assembly . 4. R emov e the displa y assembly bez el. 5. R emov e the four M2 x 3.5-mm sc rews on the lef t and right sides of the displa y assembly that secure the LCD panel t o the top cov er (see Figu re 1 1). 6. R emov e the M2 x 3.5- mm screw th ...

  • Dell L400 - page 19

    support .dell .com Dell Latitude L 40 0 Ser v ice Ma nual 1 5 b. Lo wer the bot tom end of the LCD panel into the top co ver , making sure the LCD fle x cable lines up with the openi ng that is to the right of the lef t hinge. c. Mak e sure the narro w part of the flex cab le that goes to the in verter is visible at the bot tom edge of the LCD pane ...

  • Dell L400 - page 20

    1 6 Dell Latit ude L4 00 Ser vice M anual Ke y b o a r d A s s e m b l y Figure 12. K eyboard Assembly Removal T o remo ve t he k eyboar d assembly , perf orm the f ollo wing steps . NOTICE: T o avoid da magin g the syste m board, y ou must rem ove the main batt ery before you servic e the computer . NOT ICE: Mak e sure tha t the work surface is cl ...

  • Dell L400 - page 21

    support .dell .com Dell Latitude L 40 0 Ser v ice Ma nual 1 7 NOT ICE: The key caps on the k eyboard are fragile, easily dislodged, and time - consu ming to replace. Be carefu l when rem oving and handli ng the k eyboard. 6. R emov e the ke yboard a ssembly . T o replace the k eybo ard assembl y , perf orm the f ollo wing steps. NOTICE : Position t ...

  • Dell L400 - page 22

    1 8 Dell Latit ude L4 00 Ser vice M anual Memory Module Figure 13. Memory Module Removal NOTICE: T o avoid damagi ng t he syst em b oard, you mu st rem ove the main batte ry before you service the computer . 1 . R emov e the ke yboard bez el. 2. R emov e the ke yboard assembly . 3. Ground y ourself b y touc hing the unpainted metal surface of an I/ ...

  • Dell L400 - page 23

    support .dell .com Dell Latitude L 40 0 Ser v ice Ma nual 1 9 3. Piv ot the memor y module down unt il it clic ks into place. If y ou do not hear a clic k as eac h end of the memor y module snaps into the tabs, remov e the memor y m odule and reinstall it (see Figure 1 3). P almrest Assembly Fi gure 14. Removing the Palmrest Asse mbly Bottom Screws ...

  • Dell L400 - page 24

    20 Dell Lati tude L40 0 Ser vice Ma nual 7 . R emove th e four blac k M2 x 4-mm screws across the top of the computer (see Figu re 1 5). Figure 15. R emovi ng the Palmrest Assembl y T op Screws 8. R emov e the three silv er M2 x 6-mm scre ws in the k eyboar d-assembly area that secur e the middle of the palmrest assembl y to the bot tom case (see F ...

  • Dell L400 - page 25

    support .dell .com Dell Latitude L4 0 0 Ser v ice Ma nual 21 T o replace the palmres t assembly , perf orm the foll owing st eps: 1 . Place the palmres t assembly on the bot tom assembly . 2. R einstall the three silv er M2 x 6-mm scre ws in the ke yboard-as sembly area that secure the middle of the palmrest asse mbly to the bot tom-case assembly ( ...

  • Dell L400 - page 26

    22 Dell Lati tude L40 0 Ser vice Ma nual 2. R emov e the displa y assembly . 3. R emov e the ke yboard assembly . 4. R emov e the palmrest assembly . 5. R emov e the three M2 x 3.5-mm screws tha t secure the touc h pad assembly t o the palmr est assembly (see Figure 16 ). 6. Slide the touc h pad assembly out from under the t wo hol d-down tabs. 7 . ...

  • Dell L400 - page 27

    support .dell .com Dell Latitude L4 0 0 Ser v ice Ma nual 23 R eserve Battery Figure 18. R eserve Battery Removal NOT ICE: The reserve battery provid es power to the computer's RTC and nonvolat ile random -access me mory (NVR AM) when th e com- puter is turned off. Removing the ba ttery cau ses the compute r to lose the dat e and time informa ...

  • Dell L400 - page 28

    24 Dell Lati tude L40 0 Ser vice Ma nual Mode m Fi gure 19. Modem Removal 1 . R emov e the ke yboard bez el. 2. R emov e the displa y assembly . 3. R emov e the ke yboard assembly . 4. R emov e the palmrest assembly . 5. Use a 5-mm soc k et wrenc h to remov e the four 5-mm soc ket scre ws for the V G A and parall el ports l ocated on t he bac k of ...

  • Dell L400 - page 29

    support .dell .com Dell Latitude L4 0 0 Ser v ice Ma nual 25 T o replace the modem, perf orm the follo w ing steps: 1 . Connect the modem cable to the connect or on the syst em board. 2. Align t he connector on the bot tom of the modem with the co nnector on the sy stem board, and careful ly press the modem onto the sys tem board. 3. P ut the modem ...

  • Dell L400 - page 30

    26 Dell Lati tude L40 0 Ser vice Ma nual 4. R emov e the palmrest assembly . 5. Carefull y disconnect the f an wire connector from the syst em board (see Figure 20) . T he male connector on the f an w ire is k ey ed to fit in to the f emale connector one w ay only . 6. Remo ve the t wo M2 x 8-mm scre w s with double r ubber w ashers t hat secure th ...

  • Dell L400 - page 31

    support .dell .com Dell Latitude L4 0 0 Ser v ice Ma nual 27 Speaker Figure 21. Speaker Remova l 1 . Re mov e the ke yboard bez el. 2. R emov e the displa y assembly . 3. R emov e the ke yboard a ssembly . 4. R emov e the palmrest assembly . NOT ICE: T o ensure maximum cooli ng for the microprocesso r , do not touch t he glue sid e of the t hermal ...

  • Dell L400 - page 32

    28 Dell Lati tude L40 0 Ser vice Ma nual NOT ICE: The audio EMI shield is att ached to the USB conn ector hous ing wi th two - side d ta pe. T o avoid bend ing the a udio E MI shie ld, care must be tak en when separating the audio EMI shield from t he USB connect or housing . 6. Using a small flat- blade scre wdriv er , carefully separ ate the audi ...

  • Dell L400 - page 33

    support .dell .com Dell Latitude L4 0 0 Ser v ice Ma nual 29 7 . R einstall the palmrest assembly . 8. R einstall the ke yboard assembly . 9. R einstall the displa y assembly . 1 0. Rei nstall the ke yboard bez el. System B oard Assemb ly 6 Figure 22. System Board Assembly Removal T o remov e the sy stem board assembly , perf orm the follo wing ste ...

  • Dell L400 - page 34

    30 Dell Lati tude L40 0 Ser vice Ma nual NOTICE: T o avoid damagi ng t he syst em b oard, you mu st rem ove the main batte ry before you service the computer . NOT ICE : The proce ssor is not r eplacea ble. Do not attempt to remove the th erma l cool ing soluti on. 1 . R emov e the ke yboard bez el. 2. R emov e the displa y assembly . 3. Remo ve th ...

  • Dell L400 - page 35

    support .dell .com Dell Latitude L4 0 0 Ser v ice Ma nual 31 1 3. Remo ve the modem retainer brac ket fr om the bot tom case assembly . 1 4. Disconnect the speak er wire from the connector on the sy stem board assembly . 1 5. Disconnect the fan wire fr om the connector on the sy stem board assembly . 1 6. Lif t the sy stem board assembly out of the ...

  • Dell L400 - page 36

    32 Dell Lati tude L40 0 Ser vice Ma nual One of the M2 x 3.5-mm scre ws passes t hrough the h ard-disk dri ve EMI clip (see Figure 23) . 9. R einstall the audio EMI shield. a. Carefull y position the audio EMI shiel d so the section with the two-sided tape is ov er the USB connector housing. b. Pr ess the audio EMI shield do wn so it at tac hes to ...

  • Dell L400 - page 37

    support .dell .com Dell Latitude L4 0 0 Ser v ice Ma nual 33 1 . Re mov e the ke yboard bez el. 2. R emov e the displa y assembly . 3. Remo ve the ke yboard. 4. R emov e the palmrest assembly . 5. Remo ve the sy stem board. NOTICE: The tabs on the release button are plast ic. Care sh ould be tak en when sq ueezing the tabs to avoid breaking them. 6 ...

  • Dell L400 - page 38

    34 Dell Lati tude L40 0 Ser vice Ma nual T o replace the APR doc king doors, pe rfo rm the f ollow ing steps. NO TE: On the under side of the doors, a small F is printed on the front door and a smal l B is printed on the bac k door . A s you hold the doors f or installation, the fro nt door i s near y ou, the bac k door is a wa y from y ou, and the ...

  • Dell L400 - page 39

    Index 1 Inde x A APR docking doors removal , 33 B bottom assembly components, 22 illus trated, 22 D display ass embly bezel remov al, 11 hinge removal, 15 latch re mova l, 12 rem oval, 9 F fan r emova l, 25 field-repl aceable pa rts and assemblies i llustrated, 6 G grounding to di ssipate static electrici ty, 3 H hard-dis k drive a ssembly removal, ...

  • Dell L400 - page 40

    2 Dell Lati tude L40 0 Se r vi ce Manu al R rese rve batte ry re mov al, 23 S screw ident ificatio n and tigh tening, 3 speaker r emoval, 27 system board assembly removal , 29 T tools, 2 touch pad removal, 21 Z ZIF connect ors, 5 ...

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I documenti che otteniamo dal fabbricante del dispositivoDell L400 possono essere suddivisi in diversi gruppi. Questi sono tra gli altri:
- disegni tecnici Dell
- manuali per l’uso L400
- schede prodotto Dell
- opuscoli
- o etichette energetiche Dell L400
Tutti sono importanti, ma le informazioni più importanti dal punto di vista di utilizzo del dispositivo possono essere trovate nel manuale per l’uso Dell L400.

Un gruppo di documenti denominato manuali per l’uso, è anche suddiviso in tipi più specifici, come: Manuali di installazione Dell L400, manuali di manutenzione, brevi manuali o manuali utente Dell L400. A seconda delle esigenze, si dovrebbe cercare il documento necessario. Nel nostro sito web, puoi visualizzare il manuale più popolare per l'uso del prodotto Dell L400.

Manuali per l’uso simili

Manuale completo del dispositivo Dell L400, come deve essere?
Il manuale per l’uso, denominato anche istruzioni per l’uso, o semplicemente il manuale è un documento tecnico progettato per aiutare ad utilizzare Dell L400 dagli utenti. I manuali sono di solito scritti da uno scrittore tecnico, ma in un linguaggio accessibile a tutti gli utenti Dell L400.

Il manuale per l’uso completo Dell, dovrebbe includere vari elementi di base. Alcuni di loro sono meno importanti, come ad esempio: copertina / pagina del titolo o pagina di autore. Tuttavia, la parte rimanente, dovrebbe fornire informazioni importanti dal punto di vista dell'utente.

1. Introduzione e la guida su come utilizzare il manuale Dell L400 - All'inizio di ogni manuale, dovremmo trovare indizi su come utilizzare il documento. Dovrebbe contenere informazioni sulla posizione dell’indice Dell L400, FAQ o i problemi più comuni : i punti che sono più spesso cercati dagli utenti di ogni manuale
2. Indice - elenco di tutti i suggerimenti per Dell L400 che possono essere trovati nel documento corrente
3. Suggerimenti su come utilizzare le funzioni di base del dispositivo Dell L400 - che ci dovrebbe aiutare nei primi passi durante l'uso Dell L400
4. Troubleshooting - sequenza sistematica delle attività che vi aiuterà a diagnosticare e, successivamente, risolvere i problemi più importanti del Dell L400
5. FAQ - domande più frequenti
6. Dettagli di contatto Informazioni su dove cercare il contatto con il fabbricante / servizio Dell L400 in un dato paese, se il problema non può essere risolto da noi stessi.

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