Manuel d'utilisation / d'entretien du produit 17R-7720 du fabricant Dell
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book.book Page 1 Monday, October 8, 2012 4:17 PM Dell Inspiron 17R Owner’s Manual Computer model: Inspi ron 17R-5720/17R-7720 Regulatory model: P15E Regulator y type: P15E001.
book.book Page 2 Monday, October 8, 2012 4:17 PM __________ _________ _ Notes, Cautions, and W arnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed.
book.book Page 3 Monday, October 8, 2012 4:17 PM Contents 1 Before Y ou Begin . . . . . . . . . . . . . . . . . . . . . . . . 7 T urn Off Y our Computer and Connected Devices . . . 7 Safety Instructi ons . . . . . . . . . . . . . . . . . . . . . . . .
book.book Page 4 Monday, October 8, 2012 4:17 PM 10 Wireless Mini-Card . . . . . . . . . . . . . . . . . . . . . . 31 Removing the Wireless Mi ni-Card . . . . . . . . . . . . . 31 Replacing the Wir eless Mini-Car d . . . . . . . . . . . . . 33 11 mSA T A Card (Optional) .
book.book Page 5 Monday, October 8, 2012 4:17 PM 19 Camera Module . . . . . . . . . . . . . . . . . . . . . . . . 71 Removing the Camera Module . . . . . . . . . . . . . . . 71 Replacing the Camera Module . . . . . . . . . . . . . . . 74 20 System B oard .
book.book Page 6 Monday, October 8, 2012 4:17 PM 6 | Contents.
book.book Page 7 Monday, October 8, 2012 4:17 PM 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 yo u turn off your computer . 1 Save and close all open files and exit all open programs.
book.book Page 8 Monday, October 8, 2012 4:17 PM CAUTION: Only a certified service techni cian is authorized to remove the computer cover and access any of the components inside the computer.
book.book Page 11 Mond ay, October 8, 2012 4:17 PM 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.
book.book Page 12 Mond ay, October 8, 2012 4:17 PM 12 | After Working Inside Y our Computer.
book.book Page 11 Mond ay, October 8, 2012 4:17 PM 3 3 Switch WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 12 Mond ay, October 8, 2012 4:17 PM 1 2 Replacing the Switch Align the tabs at the bottom of the switch with the slots on the display cover and snap the switch into place. NOTE: Ensure that the tabs on the switch are secured in the slots on the display cover .
book.book Page 13 Mond ay, October 8, 2012 4:17 PM 4 Batter y WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 14 Mond ay, October 8, 2012 4:17 PM 14 | Battery.
book.book Page 15 Mond ay, October 8, 2012 4:17 PM 5 Key boa rd WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 16 Mond ay, October 8, 2012 4:17 PM Procedure CAUTION: The keycaps on the keyboard are fragile, easily dislodged, and time-consuming to replace. Be careful when removing and handlin g the keyboar d. 1 T urn the computer over and open the display as far as possible.
book.book Page 17 Mond ay, October 8, 2012 4:17 PM 3 Carefully turn the keyboard over and place it on the palm rest. 4 Lift the connector latch and pull the pull-tab to disconnect the keyboard cable from the syste m-board connector. 5 Lift the keyboard away from the computer .
book.book Page 18 Mond ay, October 8, 2012 4:17 PM Replacing the Keyboard Procedure 1 Slide the keyboard cable into the system -board connector and pr ess down on the connector latch to secure the cable. 2 Slide the tabs at the bottom of the keyboa rd into the slots on the palm rest and place the keyboard on the palm rest.
book.book Page 19 Mond ay, October 8, 2012 4:17 PM 6 Base Cover WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 20 Mond ay, October 8, 2012 4:17 PM Replacing the Base Cover Procedure 1 Slide the tabs on the base cover into the slots on the computer base and snap the base cover into place. 2 T ighten the captive screws that secure the base cover to the computer base.
book.book Page 21 Mond ay, October 8, 2012 4:17 PM 7 Memor y Module(s) WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 22 Mond ay, October 8, 2012 4:17 PM 1 2 Replacing the Memor y Module (s) Procedure CAUTION: If you need to install memory modules in two connectors, install a memory module in the connector labeled "DIMM A" before you install a memo r y module in the connector labeled " DIMM B.
book.book Page 23 Mond ay, October 8, 2012 4:17 PM 8 Hard Drive(s) WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 24 Mond ay, October 8, 2012 4:17 PM Procedure 1 Remove the screws that secure the hard-drive assembly to the computer base. 2 Slide the hard-drive assembly toward the side of the computer to disconnect it from the system-board connector .
book.book Page 25 Mond ay, October 8, 2012 4:17 PM 3 4 Remove the screws that secure the hard-drive bracket to the hard drive. 5 Lift the hard-drive brack et off the hard drive .
book.book Page 26 Mond ay, October 8, 2012 4:17 PM Replacing the Hard Drive(s) Procedure 1 Remove the new hard drive from its packaging. Save the original pack aging for storing or shipping the hard drive. 2 Align the screw holes on the hard drive-bracket with the screw holes on the hard drive.
book.book Page 27 Mond ay, October 8, 2012 4:17 PM 9 Optical Drive WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 28 Mond ay, October 8, 2012 4:17 PM 3 Carefully pry the optical-drive bezel and remove it from the optical-drive assembly. 4 Remove the screws that secure the optical-drive brack et to the optical drive. 5 Remove the optical-drive bracket.
book.book Page 29 Mond ay, October 8, 2012 4:17 PM Replacing the Optical Drive Procedure 1 Align the screw holes on the optical-drive bracket with the screw holes on the optical drive. 2 Replace the screws that secure the optical-drive bracket to the optical drive.
book.book Page 30 Mond ay, October 8, 2012 4:17 PM 30 | Optical Drive.
book.book Page 31 Mond ay, October 8, 2012 4:17 PM 10 Wireless Mini-Card WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 32 Mond ay, October 8, 2012 4:17 PM 3 Procedure 1 Disconnect the antenna cables from the connectors on the Mini- Card. 2 Remove the screw that secures the Mini- Card to the system-board connector . 1 2 3 4 1 antenna cables (2) 2 Mini-Card 3 screw 4 system-board connector Lift the Mini-Card out of the system-board connector .
book.book Page 33 Mond ay, October 8, 2012 4:17 PM Replacing the Wireless Mini-Card Procedure 1 Remove the new Mini-Card from its packaging. 2 Align the notch on the Mini-Card with the tab on the system-board connector . CAUTION: Use firm and even pressure to slide the Mini-Card into place.
book.book Page 34 Mond ay, October 8, 2012 4:17 PM 34 | W i r e l e s s M i n i - C a r d.
book.book Page 35 Mond ay, October 8, 2012 4:17 PM 11 mSA T A Card (Optional) WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7.
book.book Page 36 Mond ay, October 8, 2012 4:17 PM Procedure 1 Remove the screw that secures the mSA T A card to the system-board connector . 2 Lift the mSA T A ca rd out of the system-board connector .
book.book Page 37 Mond ay, October 8, 2012 4:17 PM Replacing the mSA T A Card Procedure 1 Remove the new mSA T A card from its packaging. 2 Align the notch on the mSA T A card with the tab on the system-board connector . CAUTION: Use firm and even pressure to slide the mSA T A card into place.
book.book Page 38 Mond ay, October 8, 2012 4:17 PM 38 | mSAT A Card (Optional).
book.book Page 39 Mond ay, October 8, 2012 4:17 PM 12 Palm Rest WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 40 Mond ay, October 8, 2012 4:17 PM 2 T urn the comput er over and open the display as far as possible. 3 Remove the screws that secure the palm rest to the compu ter base.
book.book Page 41 Mond ay, October 8, 2012 4:17 PM Replacin g the Pal m Rest Procedure 1 Align the palm rest with the compu ter ba se and gently snap the palm rest into place.
book.book Page 42 Mond ay, October 8, 2012 4:17 PM 42 | P a l m R e s t.
book.book Page 43 Mond ay, October 8, 2012 4:17 PM 13 Coin-Cell Batter y WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 44 Mond ay, October 8, 2012 4:17 PM 3 Procedure CAUTION: Re moving the coin -cell ba tter y resets the BIOS settings to default. It is recommended that you note the BIOS settings before removing the coin-cell battery. Using a plastic scribe, gently pry out the c oin-cell battery out of the battery socket on the system board.
book.book Page 45 Mond ay, October 8, 2012 4:17 PM Replacing the Coin-Cell Batter y Procedure With the positive-side facing up, sn ap the coin-cell battery into the battery socket on the system board. Postrequisites 1 Replace the palm rest. See "Replacing the Palm Rest" on page 41.
book.book Page 46 Mond ay, October 8, 2012 4:17 PM 46 | Coin-Cell Battery.
book.book Page 47 Mond ay, October 8, 2012 4:17 PM 14 Fa n WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 48 Mond ay, October 8, 2012 4:17 PM Replacing the Fan Procedure 1 Align the screw holes on the fan with the screw holes on the computer base. 2 Replace the screws that secure the fan to computer base. 3 Connect the fan cable to the system-board connector.
book.book Page 49 Mond ay, October 8, 2012 4:17 PM 15 LAN Bo ar d WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 50 Mond ay, October 8, 2012 4:17 PM Procedure 1 Remove the screws that secure the LAN board to the computer base. 2 Carefully turn the LAN board over . 3 Pull the pull-tab to disconnect the LAN-board cable from the LAN-board connector. 4 Remove the LAN board away from the computer base.
book.book Page 51 Mond ay, October 8, 2012 4:17 PM Replacing the L AN Board Procedure 1 Connect the LAN-board cable to the LAN -board connector . 2 Carefully turn the LAN board over and align the scr ew holes on the LAN board with the screw holes on the computer base.
book.book Page 52 Mond ay, October 8, 2012 4:17 PM 52 | LAN Board.
book.book Page 53 Mond ay, October 8, 2012 4:17 PM 16 LA N - U S B C ab le WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 54 Mond ay, October 8, 2012 4:17 PM Procedure 1 Pull the pull-tab to disconnect the USB-board cable from the USB-board connector. 2 Pull the pull-tab to disconnect the LAN -USB ca ble from the system-board connector . 3 Make a note of the LAN- USB cable routing and remove the cable from the routing guides on the computer base.
book.book Page 55 Mond ay, October 8, 2012 4:17 PM Replacing the L AN- USB Cable Procedure 1 Adhere the LAN- USB cable to the computer base. 2 Route the LAN- USB cable through the routing guides on the computer base. 3 Connect the LAN -USB cable to the system-board connector .
book.book Page 56 Mond ay, October 8, 2012 4:17 PM 56 | LAN -USB Cable.
book.book Page 57 Mond ay, October 8, 2012 4:17 PM 17 USB Board WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 58 Mond ay, October 8, 2012 4:17 PM Procedure 1 Pull the pull-tab to disconnect the USB-board cable from the USB-board connector . 2 Remove the screw that secures the USB board to t he computer base. 3 Lift the USB board away from the computer base.
book.book Page 59 Mond ay, October 8, 2012 4:17 PM Replacing the USB Board Procedure 1 Align the screw hole on the USB board with the screw hole on the computer base. 2 Replace the screw that secures the USB board to the computer base. 3 Connect the USB-board cable to the USB-board connector .
book.book Page 60 Mond ay, October 8, 2012 4:17 PM 60 | USB Board.
book.book Page 61 Mond ay, October 8, 2012 4:17 PM 18 Display WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 62 Mond ay, October 8, 2012 4:17 PM Procedure 1 Close the display and turn the computer over . 2 Disconnect the antenna cables from the connectors on the Mini- Card. See "Removing the Wireless Mini-Card" on page 31. 3 Make a note of the antenna cables routin g and remov e the cables from the routin g guides.
book.book Page 63 Mond ay, October 8, 2012 4:17 PM Replacing the Display Assembly Procedure 1 Place the display assembly in position and replace the screws that secure the display assembly to the c omputer base. 2 Route the display cable through the rout ing guides an d connect the display cable to the system-board connector .
book.book Page 64 Mond ay, October 8, 2012 4:17 PM Removing the Display Bezel Prerequisites 1 Remove the battery . See "Removing the Battery" on page 13. 2 Remove the keyboard. See "Remov ing the Keyboard" on page 15. 3 Remove the base cover .
book.book Page 65 Mond ay, October 8, 2012 4:17 PM Replacing the Display Bezel Procedure Align the display bezel over the display panel and gently snap it into place. Postrequisites 1 Replace the display assembly. See "Replacing the Display Assembly" on page 63.
book.book Page 66 Mond ay, October 8, 2012 4:17 PM Removing the Display Panel Prerequisites 1 Remove the battery . See "Removing the Battery" on page 13. 2 Remove the keyboard. See "Remov ing the Keyboard" on page 15. 3 Remove the base cover .
book.book Page 67 Mond ay, October 8, 2012 4:17 PM 3 Peel and lift the tape that secures the display cable to the display-board connector and then disconn ect the display cable.
book.book Page 68 Mond ay, October 8, 2012 4:17 PM 5 T urn the display panel over and place it on a clean surface. 6 Remove the screws that secure the display-panel brackets to the display panel.
book.book Page 69 Mond ay, October 8, 2012 4:17 PM Replacing the Display Panel Procedure 1 Align the screw holes on the display-panel brackets with the screw holes on the display panel and repl ace the screws that secure the display-panel brackets to the display panel.
book.book Page 70 Mond ay, October 8, 2012 4:17 PM 70 | Display.
book.book Page 71 Mond ay, October 8, 2012 4:17 PM 19 Camera Module WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 72 Mond ay, October 8, 2012 4:17 PM Procedure 1 Remove the screws that secure the display panel to the d isplay cover . 2 Carefully lift the display panel and turn it over.
book.book Page 73 Mond ay, October 8, 2012 4:17 PM 3 Pry the camera module from the display cover. 4 T urn the camera mo dule over . 5 Peel and lift the tape that secures the cam era cable to the camera module. 6 Disconnect the camera cable fr om the camera- module connector .
book.book Page 74 Mond ay, October 8, 2012 4:17 PM Replacing the Camera Module Procedure 1 Connect the camera cable to the camera-module connector and secure it with the tape. 2 Use the alignment posts on the display cover to place the camera module in position and adhere the camera module to the display cover .
book.book Page 75 Mond ay, October 8, 2012 4:17 PM 20 System Board WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 76 Mond ay, October 8, 2012 4:17 PM Procedure NOTE: Your computer’s Service Tag is stor ed in the system board. You must enter the Service Tag in the BIOS after you replace the system board.
book.book Page 77 Mond ay, October 8, 2012 4:17 PM 3 T urn the comput er over and open the display as far as possible. 4 Pull the pull-tab to disconnect the disp lay cable and LAN -USB cable from the connectors on the system board. 5 Disconnect the speakers cable fr om the system-board connector .
book.book Page 78 Mond ay, October 8, 2012 4:17 PM 9 T urn the system-board assembly over along with the power-adapter port cable. 10 Disconnect the power-adapter port cable from the system-board connector . 1 2 1 power-adapter port 2 power-adapter port cable 11 Remove the heat sink.
book.book Page 79 Mond ay, October 8, 2012 4:17 PM Replacing the System Board Procedure 1 Replace the processor . See "Replacing the Processor" on page 87. 2 Replace the heat sink. See "Replacing the Heat Sink" on page 83. 3 Connect the power -adapter port cabl e to the system-board connector .
book.book Page 80 Mond ay, October 8, 2012 4:17 PM Entering the Service T ag in the BIOS 1 T urn on the computer. 2 Press <F2> during POST to enter the system setup program. 3 Navigate to the main tab and enter the Service T ag in the Service T ag Setting field.
book.book Page 81 Mond ay, October 8, 2012 4:17 PM 21 Heat Sink WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 82 Mond ay, October 8, 2012 4:17 PM Procedure 1 In sequential or der (indicated on the heat si nk), loosen the captive screws that secure the heat sink to the system boar d.
book.book Page 83 Mond ay, October 8, 2012 4:17 PM Replacing the Heat Sink Procedure NOTE: The original th ermal grease can be reus ed, if the original system board and heat sink are reinstalled together. If either the system board or the heat sink is replaced, use the thermal pad provided in the kit to ensure that thermal conductivity is achieved.
book.book Page 84 Mond ay, October 8, 2012 4:17 PM 84 | H e a t S i n k.
book.book Page 85 Mond ay, October 8, 2012 4:17 PM 22 Processor WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 86 Mond ay, October 8, 2012 4:17 PM 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 t o the cam stop.
book.book Page 87 Mond ay, October 8, 2012 4:17 PM Replacing the Processor Procedure NOTE: If you install a new processor, a new thermal assembly including an affixed thermal pad or a new thermal pad alo ng wi th documentation to illustrate proper installation is shipped.
book.book Page 88 Mond ay, October 8, 2012 4:17 PM 88 | Processor.
book.book Page 89 Mond ay, October 8, 2012 4:17 PM 23 Power-Adapter Port WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 90 Mond ay, October 8, 2012 4:17 PM Procedure Disconnect the power-adapte r p ort cable from t he system-board connector . 1 2 1 power-adapter port 2 power-adapter port cable 90 | Power.
book.book Page 91 Mond ay, October 8, 2012 4:17 PM Replacing the Power-Adapter Port Procedure Connect the power-adapter port cabl e to the system-board connector. Postrequisites 1 Follow the instructions from step 4 to step 11 in "Replacing the System Board" on page 79.
book.book Page 92 Mond ay, October 8, 2012 4:17 PM 92 | Power- Adapter Por t.
book.book Page 93 Mond ay, October 8, 2012 4:17 PM 24 Speak ers WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 94 Mond ay, October 8, 2012 4:17 PM Procedure 1 Make a note of the speakers cable routing and remove it from the routing guides on the computer base.
book.book Page 95 Mond ay, October 8, 2012 4:17 PM Replacing the Speakers Procedure 1 Route the speak ers cable through the ro uting guides on the computer base.
book.book Page 96 Mond ay, October 8, 2012 4:17 PM 96 | S p e a k e r s.
book.book Page 97 Mond ay, October 8, 2012 4:17 PM 25 Subwoofer WARN ING: Before working inside your computer , read the safety information that shipped with your computer and follow the steps in "Before Y ou B egin" on page 7. For additional safety best practices information, see the Regulatory Compliance Homepage at dell.
book.book Page 98 Mond ay, October 8, 2012 4:17 PM Procedure 1 Make a note of the subwoofer cable routing and remove it from the routing guides on the computer base.
book.book Page 99 Mond ay, October 8, 2012 4:17 PM Replacing the Subwoofer Procedure 1 Use the alignment posts on the computer base to place the subwoofer in position.
book.book Page 100 Mon day, October 8, 2012 4:17 PM 100 | Subwoofer.
book.book Page 101 Mon day, October 8, 2012 4:17 PM 26 Flashing the BIOS The BIOS may require flashing when an update is available or when replacing the syst em board. To flash the BIOS: 1 T urn on the computer. 2 Go to support.d ell.com/s upport/downl oads .
book.book Page 102 Mon day, October 8, 2012 4:17 PM 102 | Flashing the BIOS.
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 17R-7720 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 17R-7720 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Dell 17R-7720, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Dell 17R-7720 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Dell 17R-7720, 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 17R-7720.
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 17R-7720. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Dell 17R-7720 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.
