Manuel d'utilisation / d'entretien du produit 7420 du fabricant Dell
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Dell Inspiron 1 4R Owner’s Manual Computer model: Inspiron 5420/7420 Regulatory model: P33G Regulatory type: P33G001 book.book Page 1 Wednesda y, April 11, 2012 4:13 PM.
Notes, Cautions, and Warnings NOTE: A NOTE indicates important informat ion that helps you make better use of your computer. CAUTION: A CAUTION indicates potentia l damage to hardware or loss of data if instructions are not followed. WARNING: A W ARNING indicates a potential for property damage, personal injury, or death.
Contents | 3 Contents 1B e f o r e Y o u B e g i n . . . . . . . . . . . . . . . . . . . . . . . . 8 T urn Off Y our Computer and Connected Devices . . . 8 Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . 8 Recommended T ools . . . .
4 | Contents 11 Removing the Memory Module(s) . . . . . . . . . . 30 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30 12 Replacing the Memory Module(s) . . . . .
Contents | 5 21 Removing the Power-Adapter Port . . . . . . . . 54 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54 22 R eplacing the Power-Adapter Port . . . .
6 | Contents 31 Removing the Display Bezel . . . . . . . . . . . . . . 76 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 32 Replacing the Display Bezel . . . .
Contents | 7 41 Removing the System Board . . . . . . . . . . . . . . 98 Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99 42 Replacing the System Board . . . . .
8 | C o n t e n t s book.book Page 8 Wednesda y, April 11, 2012 4:13 PM.
Before Y ou Begin | 9 1 Before Y ou Begin T urn Off Y our Computer and Connected Devices CAUTION: T o avoid losing data, save and close all open files and exit all open programs before you turn off your computer . 1 Save and close all open files and exit all open programs.
10 | Before Y ou Begin CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have connectors with locking tabs or thumb-screws that you must disengage before disconnecting the cable. When disconnecting cables, keep them evenly aligned to avoid bending any connector pins.
After Working Inside Y our Computer | 11 2 After W orking Inside Y our Computer After you complete replacement pr ocedures, ensure the following: • Replace all screws and ensure that no st ray screw.
12 | After Working Inside Y our Computer book.book Page 12 Wednesday , April 11, 2012 4:13 PM.
Removing the Switch | 13 3 Removing the Switch WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
14 | Removing the Switch book.book Page 14 Wednesday , April 11, 2012 4:13 PM.
Replacing the Switch | 15 4 Replacing the Switch WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
16 | Replacing the Switch book.book Page 16 Wednesday , April 11, 2012 4:13 PM.
Removing the Battery | 17 5 Removing the Batter y WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
18 | Removing the Battery book.book Page 18 Wednesday , April 11, 2012 4:13 PM.
Replacing the Battery | 19 6 Replacing the Batter y WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
20 | Replacing the Battery book.book Page 20 Wednesday , April 11, 2012 4:13 PM.
Removing the Keyboard | 21 7 Removing the Keyboard WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
22 | Removing the Keyboard Procedure CAUTION: The keycaps on the keyboard are fragile, easily dislodged, and time-consuming to replace. Be careful when removing and handling the keyboa rd. 1 T urn the computer over and open the display as far as possible.
Removing the Keyboard | 23 3 Carefully turn the keyboard over and place it on the palm rest. 4 Lift the connector latches and pull the pu ll-tabs to disconnect the keyboard cable and keyboard-backlight cable from the connectors on the system board. 5 Lift the keyboard away from the computer .
24 | R e m o v i n g t h e K e y b o a r d book.book Page 24 Wednesday , April 11, 2012 4:13 PM.
Replacing the Keyboard | 25 8 Replacing the Keyboard WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
26 | Replacing the Keyboard book.book Page 26 Wednesday , April 11, 2012 4:13 PM.
Removing the Base Cover | 27 9 Removing the Base Cover WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
28 | Removing the Base Cover book.book Page 28 Wednesday , April 11, 2012 4:13 PM.
Replacing the Base Cover | 29 10 Replacing the Base Cover WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
30 | R e p l a c i n g t h e B a s e C o v e r book.book Page 30 Wednesday , April 11, 2012 4:13 PM.
Removing the Memory Module(s) | 31 11 Removing the Memor y Module(s) WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
32 | Removing the Memory Module(s) book.book Page 32 Wednesday , April 11, 2012 4:13 PM.
Replacing the Memory Module(s) | 33 12 Replacing the Memor y Module(s) WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
34 | Replacing the Memory Module(s) Postrequisites 1 Replace the base cover . See "Replacing the Base Cover" on page 29. 2 Replace the battery. See " Replaci ng the Battery" on page 19. 3 Follow the instructions in " After Work ing Inside Y our Computer" on page 11.
Removing the Hard Drive | 35 13 Removing the Hard Drive WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
36 | Removing the Hard Drive Procedure 1 Pull the pull-tab to disconnect the hard-drive cable from the system-board connector . 2 Remove the screws that secure the hard -drive assembly to the computer base. 3 Make a note of the hard-drive cab le routing and remove the cable from the routing guides.
Removing the Hard Drive | 37 5 Pull the interposer to disconnect the hard-drive cable from the hard-drive. 6 Remove the screws that secure the ha rd-drive bracket to the hard drive. 7 Slide the hard-drive off the hard-drive bracket. 1 hard-drive assembly 2 interposer 1 screws (4) 2 hard-drive bracket 3h a r d d r i v e 2 1 2 3 1 book.
38 | Removing the Hard Drive book.book Page 38 Wednesday , April 11, 2012 4:13 PM.
Replacing the Hard Drive | 39 14 Replacing the Hard Drive WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
40 | Replacing the Hard Drive book.book Page 40 Wednesday , April 11, 2012 4:13 PM.
Removing the Optical Drive | 41 15 Removing the Optical Drive WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
42 | Removing the Optical Drive 3 Carefully pry the optical-drive bezel and re move it from the optical-drive assembly . 4 Remove the screws that secure the optical-drive bracket to the optical drive. 5 Remove the optical-drive bracket. 1 screws (2) 2 optical-drive bracket 3 optical drive 4 optical-drive bezel 1 2 4 3 book.
Replacing the Optical Drive | 43 16 Replacing the Optical Drive WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
44 | Replacing the Optical Drive book.book Page 44 Wednesday , April 11, 2012 4:13 PM.
Removing the Palm Rest | 45 17 Removing the Palm Rest WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
46 | Removing the Palm Rest 3 T urn the computer over and open the display as far as possible. 4 Lift the connector latches and pull the pu ll-tabs to disconnect the power-button board cable, touchpad cable, and hot- key board cable from the connectors on the system board.
Removing the Palm Rest | 47 6 Make a note of the display cable routin g and remove the cable from the routing guides on the palm rest. 7 Remove the screws that secure the palm rest to the computer base. CAUTION: Carefully separate the palm re st from the display assembly to avoid damage to the display assembly.
48 | Removing the Palm Rest book.book Page 48 Wednesday , April 11, 2012 4:13 PM.
Replacing the Palm Rest | 49 18 Replacing the Palm Rest WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
50 | Replacing the Palm Rest book.book Page 50 Wednesday , April 11, 2012 4:13 PM.
Removing the Mini-Card | 51 19 Removing the Mini-Card WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
52 | Removing the Mini-Card 3 Lift the Mini-Card out of the system-board connector . CAUTION: When the Mini-Card is not in the computer , store it in protective antistatic packaging. For more informatio n, see "Protecting Against Electrostatic Discharge" in the safety informatio n that shipped with your computer.
Replacing the Mini-Card | 53 20 Replacing the Mini-Card WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
54 | Replacing the Mini-Card Postrequisites 1 Replace the palm rest. See "Replacing the Palm Rest" on page 49. 2 Replace the keyboard. See "Replacing the Keyboard" on page 25. 3 Replace the base cover . See "Replacing the Base Cover" on page 29.
Removing the Power-Adapter Port | 55 21 Removing the Power-Adapter Port WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
56 | Removing the Power-Adapter Port book.book Page 56 Wednesday , April 11, 2012 4:13 PM.
Replacing the Power- Adapter Port | 57 22 Replacing the Power-Adapter Port WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
58 | Replacing the Power-Adapter Port book.book Page 58 Wednesday , April 11, 2012 4:13 PM.
Removing the Coin-Cell Battery | 59 23 Removing the Coin-Cell Batter y WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
60 | Removing the Coin-Cell Battery Procedure 1 T urn the system board over. 2 Using a plastic scribe, gently pry the coin-c ell battery out of the battery socket on the system board. 1 plastic scribe 2 coin-cell battery 3b a t t e r y s o c k e t 3 2 1 book.
Replacing the Coin-Cell Battery | 61 24 Replacing the Coin-Cell Batter y WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
62 | Replacing the Coin-Cell Battery book.book Page 62 Wednesday , April 11, 2012 4:13 PM.
Removing the Fan | 63 25 Removing the Fan WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
64 | R e m o v i n g t h e F a n book.book Page 64 Wednesday , April 11, 2012 4:13 PM.
Replacing the Fan | 65 26 Replacing the Fan WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
66 | Replacing the Fan book.book Page 66 Wednesday , April 11, 2012 4:13 PM.
Removing the Speakers | 67 27 Removing the Speakers WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
68 | R e m o v i n g t h e S p e a k e r s book.book Page 68 Wednesday , April 11, 2012 4:13 PM.
Replacing the Speakers | 69 28 Replacing the Speakers WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
70 | Replacing the Speakers book.book Page 70 Wednesday , April 11, 2012 4:13 PM.
Removing the Display Assembly | 71 29 Removing the Display Assembly WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
72 | Removing the Display Assembly 3 T urn the computer over and open the display as far as possible. 4 Disconnect the antenna cables from the connectors on the Mini-Card.
Removing the Display Assembly | 73 5 Remove the screws that secure the di splay assembly to the computer base. 6 Lift the display assembly off the computer base.
74 | Removing the Display Assembly book.book Page 74 Wednesday , April 11, 2012 4:13 PM.
Replacing the Display Assembly | 75 30 Replacing the Display Assembly WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
76 | Replacing the Display Assembly book.book Page 76 Wednesday , April 11, 2012 4:13 PM.
Removing the Display Bezel | 77 31 Removing the Display Bezel WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
78 | Removing the Display Bezel book.book Page 78 Wednesday , April 11, 2012 4:13 PM.
Replacing the Display Bezel | 79 32 Replacing the Display Bezel WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
80 | Replacing the Display Bezel book.book Page 80 Wednesday , April 11, 2012 4:13 PM.
Removing the Display Panel | 81 33 Removing the Display Panel WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
82 | Removing the Display Panel 2 Carefully lift the display panel and turn it over . 3 Peel and lift the tape that secures the di splay cable to the display-board connector and then disconnect the display cable. 4 Lift the display panel away from the display cover .
Replacing the Display Panel | 83 34 Replacing the Display Panel WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
84 | Replacing the Display Panel book.book Page 84 Wednesday , April 11, 2012 4:13 PM.
Removing the Display Hinges | 85 35 Removing the Display Hinges WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
86 | Removing the Display Hinges 3 T urn the display assembly over. 4 Remove the screws that secure the display hinges to the display cover . 5 Lift the display hinges off the display cover . 1d i s p l a y p a n e l 2s c r e w s ( 1 0 ) 3 display hinges (2) 2 3 1 book.
Replacing the Display Hinges | 87 36 Replacing the Display Hinges WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
88 | Replacing the Display Hinges book.book Page 88 Wednesday , April 11, 2012 4:13 PM.
Removing the Camera Module | 89 37 Removing the Camera Module WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
90 | Removing the Camera Module 2 T urn the camera module over. 3 Peel and lift the tape that secures the camera cable to the camera module. 1 tape 2 camera cable 1 2 book.
Removing the Camera Module | 91 4 Disconnect the camera cable from the connector on the camera module. 1 camera cable connector 2 camera module 3 camera cable 3 1 2 book.
92 | Removing the Camera Module book.book Page 92 Wednesday , April 11, 2012 4:13 PM.
Replacing the Camera Module | 93 38 Replacing the Camera Module WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
94 | Replacing the Camera Module book.book Page 94 Wednesday , April 11, 2012 4:13 PM.
Removing the Processor | 95 39 Removing the Processor WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
96 | Removing the Processor Procedure 1 T o loosen the ZIF socket, use a small, fl at-blade screwdriver and rotate the ZIF - socket cam screw counterclockwise until it comes to the cam stop. CAUTION: T o ensure maximum cooling for the processor , do not touch the heat transfer areas on the processor thermal c ooling assembly.
Replacing the Processor | 97 40 Replacing the Processor WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
98 | Replacing the Processor 11 Replace the battery. See " Replaci ng the Battery" on page 19. 12 Follow the instructions in " After Work ing Inside Y our Computer" on page 11.
Removing the System Board | 99 41 Removing the System Board WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
100 | Removing the System Board Procedure NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS after yo u replace the system-board assembly.
Removing the System Board | 101 3 Lift the system board at an angle and re lease the connectors on the system board from the slots on the computer base. 4 Remove the processor . See "Remov ing the Processor" on page 95. 5 Remove the processor heat-sink.
102 | Removing the System Board book.book Page 102 Wednesday, April 11, 2012 4:13 PM.
Replacing the System Board | 103 42 Replacing the System Board WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
104 | Replacing the System Board Entering the Service T ag in the BIOS 1 T urn on the computer. 2 Press <F2> during POST to en ter the system setup program. 3 Navigate to the main tab and enter the Se rvice T ag in the Service T ag Setting field.
Removing the Processor Heat- Sink | 105 43 Removing the Processor Heat- Sink WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
106 | Removing the Processor Heat- Sink Procedure 1 T urn the system-board assembly over. 2 In sequential order (indicated on the processor heat-sink), loosen the captive screws that secure the processo r heat-sink to the system board. 3 Lift the processor heat-s ink off the system board.
Replacing the Processor Heat- Sink | 107 44 Replacing the Processor Heat- Sink WARNING: Before working inside your computer , read the safety information that shipped with your computer and foll ow the steps in "Before Y ou Begin" on page 9.
108 | Replacing the Processor Heat- Sink book.book Page 108 Wednesday, April 11, 2012 4:13 PM.
Flashing the BIOS | 109 45 Flashing the BIOS The BIOS may require flashing when an update is available or when replacing the system board. To flash the BIOS: 1 T urn on the computer.
110 | Flashing the BIOS book.book Page 110 Wednesday, April 11, 2012 4:13 PM.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Dell 7420 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Dell 7420 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Dell 7420, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Dell 7420 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Dell 7420, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Dell 7420.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Dell 7420. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Dell 7420 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
