Dell Inspiron 14R SE 7420 Owner's Manual

Dell Inspiron 14ROwner’s ManualComputer model: Inspiron 5420/7420 Regulatory model: P33G Regulatory type: P33G001book.book

10 | Before You Begin CAUTION: When you disconnect a cable, pull on its connector or on its pull-tab, not on the cable itself. Some cables have con

100 | Removing the System BoardProcedure NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIO

Removing the System Board | 1013 Lift the system board at an angle and release the connectors on the system board from the slots on the computer

102 | Removing the System Boardbook.book Page 102 Wednesday, April 11, 2012 4:13 PM

Replacing the System Board | 10342Replacing the System Board WARNING: Before working inside your computer, read the safety information that shippe

104 | Replacing the System BoardEntering the Service Tag in the BIOS1 Turn on the computer.2 Press <F2> during POST to enter the system setup

Removing the Processor Heat-Sink | 10543Removing the Processor Heat-Sink WARNING: Before working inside your computer, read the safety informa

106 | Removing the Processor Heat-SinkProcedure1 Turn the system-board assembly over.2 In sequential order (indicated on the processor heat-sink), l

Replacing the Processor Heat-Sink | 10744Replacing the Processor Heat-Sink WARNING: Before working inside your computer, read the safety infor

108 | Replacing the Processor Heat-Sinkbook.book Page 108 Wednesday, April 11, 2012 4:13 PM

Flashing the BIOS | 10945Flashing the BIOSThe BIOS may require flashing when an update is available or when replacing the system board. To flash the

After Working Inside Your Computer | 112After Working Inside Your ComputerAfter you complete replacement procedures, ensure the following:• Repl

110 | Flashing the BIOSbook.book Page 110 Wednesday, April 11, 2012 4:13 PM

12 | After Working Inside Your Computerbook.book Page 12 Wednesday, April 11, 2012 4:13 PM

Removing the Switch | 133Removing the Switch WARNING: Before working inside your computer, read the safety information that shipped with your comp

14 | Removing the Switchbook.book Page 14 Wednesday, April 11, 2012 4:13 PM

Replacing the Switch | 154Replacing the Switch WARNING: Before working inside your computer, read the safety information that shipped with you

16 | Replacing the Switchbook.book Page 16 Wednesday, April 11, 2012 4:13 PM

Removing the Battery | 175Removing the Battery WARNING: Before working inside your computer, read the safety information that shipped with your co

18 | Removing the Batterybook.book Page 18 Wednesday, April 11, 2012 4:13 PM

Replacing the Battery | 196Replacing the Battery WARNING: Before working inside your computer, read the safety information that shipped with your

Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indi

20 | Replacing the Batterybook.book Page 20 Wednesday, April 11, 2012 4:13 PM

Removing the Keyboard | 217Removing the Keyboard WARNING: Before working inside your computer, read the safety information that shipped with your

22 | Removing the KeyboardProcedure CAUTION: The keycaps on the keyboard are fragile, easily dislodged, and time-consuming to replace. Be careful w

Removing the Keyboard | 233 Carefully turn the keyboard over and place it on the palm rest. 4 Lift the connector latches and pull the pull-tabs

24 | Removing the Keyboardbook.book Page 24 Wednesday, April 11, 2012 4:13 PM

Replacing the Keyboard | 258Replacing the Keyboard WARNING: Before working inside your computer, read the safety information that shipped with

26 | Replacing the Keyboardbook.book Page 26 Wednesday, April 11, 2012 4:13 PM

Removing the Base Cover | 279Removing the Base Cover WARNING: Before working inside your computer, read the safety information that shipped with y

28 | Removing the Base Coverbook.book Page 28 Wednesday, April 11, 2012 4:13 PM

Replacing the Base Cover | 2910Replacing the Base Cover WARNING: Before working inside your computer, read the safety information that shipped

Contents | 3Contents1Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . 8Turn Off Your Computer and Connected Devices . . . 8Safety

30 | Replacing the Base Coverbook.book Page 30 Wednesday, April 11, 2012 4:13 PM

Removing the Memory Module(s) | 3111Removing the Memory Module(s) WARNING: Before working inside your computer, read the safety information th

32 | Removing the Memory Module(s)book.book Page 32 Wednesday, April 11, 2012 4:13 PM

Replacing the Memory Module(s) | 3312Replacing the Memory Module(s) WARNING: Before working inside your computer, read the safety information that

34 | Replacing the Memory Module(s)Postrequisites1 Replace the base cover. See "Replacing the Base Cover" on page 29.2 Replace the battery

Removing the Hard Drive | 3513Removing the Hard Drive WARNING: Before working inside your computer, read the safety information that shipped w

36 | Removing the Hard DriveProcedure1 Pull the pull-tab to disconnect the hard-drive cable from the system-board connector.2 Remove the screws tha

Removing the Hard Drive | 375 Pull the interposer to disconnect the hard-drive cable from the hard-drive.6 Remove the screws that secure the har

38 | Removing the Hard Drivebook.book Page 38 Wednesday, April 11, 2012 4:13 PM

Replacing the Hard Drive | 3914Replacing the Hard Drive WARNING: Before working inside your computer, read the safety information that shipped wit

4 | Contents11 Removing the Memory Module(s). . . . . . . . . . 30Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 30Procedure

40 | Replacing the Hard Drivebook.book Page 40 Wednesday, April 11, 2012 4:13 PM

Removing the Optical Drive | 4115Removing the Optical Drive WARNING: Before working inside your computer, read the safety information that shi

42 | Removing the Optical Drive3 Carefully pry the optical-drive bezel and remove it from the optical-drive assembly.4 Remove the screws that secure

Replacing the Optical Drive | 4316Replacing the Optical Drive WARNING: Before working inside your computer, read the safety information that s

44 | Replacing the Optical Drivebook.book Page 44 Wednesday, April 11, 2012 4:13 PM

Removing the Palm Rest | 4517Removing the Palm Rest WARNING: Before working inside your computer, read the safety information that shipped wit

46 | Removing the Palm Rest3 Turn the computer over and open the display as far as possible.4 Lift the connector latches and pull the pull-tabs to d

Removing the Palm Rest | 476 Make a note of the display cable routing and remove the cable from the routing guides on the palm rest.7 Remove the scr

48 | Removing the Palm Restbook.book Page 48 Wednesday, April 11, 2012 4:13 PM

Replacing the Palm Rest | 4918Replacing the Palm Rest WARNING: Before working inside your computer, read the safety information that shipped w

Contents | 521 Removing the Power-Adapter Port . . . . . . . . 54Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 54Procedur

50 | Replacing the Palm Restbook.book Page 50 Wednesday, April 11, 2012 4:13 PM

Removing the Mini-Card | 5119Removing the Mini-Card WARNING: Before working inside your computer, read the safety information that shipped wit

52 | Removing the Mini-Card3 Lift the Mini-Card out of the system-board connector. CAUTION: When the Mini-Card is not in the computer, store it in

Replacing the Mini-Card | 5320Replacing the Mini-Card WARNING: Before working inside your computer, read the safety information that shipped w

54 | Replacing the Mini-CardPostrequisites1 Replace the palm rest. See "Replacing the Palm Rest" on page 49.2 Replace the keyboard. See &q

Removing the Power-Adapter Port | 5521Removing the Power-Adapter Port WARNING: Before working inside your computer, read the safety information th

56 | Removing the Power-Adapter Portbook.book Page 56 Wednesday, April 11, 2012 4:13 PM

Replacing the Power-Adapter Port | 5722Replacing the Power-Adapter Port WARNING: Before working inside your computer, read the safety informat

58 | Replacing the Power-Adapter Portbook.book Page 58 Wednesday, April 11, 2012 4:13 PM

Removing the Coin-Cell Battery | 5923Removing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety information

6 | Contents31 Removing the Display Bezel . . . . . . . . . . . . . . 76Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 76Pr

60 | Removing the Coin-Cell BatteryProcedure1 Turn the system board over.2 Using a plastic scribe, gently pry the coin-cell battery out of the batte

Replacing the Coin-Cell Battery | 6124Replacing the Coin-Cell Battery WARNING: Before working inside your computer, read the safety informatio

62 | Replacing the Coin-Cell Batterybook.book Page 62 Wednesday, April 11, 2012 4:13 PM

Removing the Fan | 6325Removing the Fan WARNING: Before working inside your computer, read the safety information that shipped with your computer

64 | Removing the Fanbook.book Page 64 Wednesday, April 11, 2012 4:13 PM

Replacing the Fan | 6526Replacing the Fan WARNING: Before working inside your computer, read the safety information that shipped with your com

66 | Replacing the Fanbook.book Page 66 Wednesday, April 11, 2012 4:13 PM

Removing the Speakers | 6727Removing the Speakers WARNING: Before working inside your computer, read the safety information that shipped with your

68 | Removing the Speakersbook.book Page 68 Wednesday, April 11, 2012 4:13 PM

Replacing the Speakers | 6928Replacing the Speakers WARNING: Before working inside your computer, read the safety information that shipped wit

Contents | 741 Removing the System Board . . . . . . . . . . . . . . 98Prerequisites . . . . . . . . . . . . . . . . . . . . . . . . . . . 98Proc

70 | Replacing the Speakersbook.book Page 70 Wednesday, April 11, 2012 4:13 PM

Removing the Display Assembly | 7129Removing the Display Assembly WARNING: Before working inside your computer, read the safety information th

72 | Removing the Display Assembly3 Turn the computer over and open the display as far as possible.4 Disconnect the antenna cables from the connecto

Removing the Display Assembly | 735 Remove the screws that secure the display assembly to the computer base.6 Lift the display assembly off the

74 | Removing the Display Assemblybook.book Page 74 Wednesday, April 11, 2012 4:13 PM

Replacing the Display Assembly | 7530Replacing the Display Assembly WARNING: Before working inside your computer, read the safety information

76 | Replacing the Display Assemblybook.book Page 76 Wednesday, April 11, 2012 4:13 PM

Removing the Display Bezel | 7731Removing the Display Bezel WARNING: Before working inside your computer, read the safety information that shipped

78 | Removing the Display Bezelbook.book Page 78 Wednesday, April 11, 2012 4:13 PM

Replacing the Display Bezel | 7932Replacing the Display Bezel WARNING: Before working inside your computer, read the safety information that shipp

8 | Contentsbook.book Page 8 Wednesday, April 11, 2012 4:13 PM

80 | Replacing the Display Bezelbook.book Page 80 Wednesday, April 11, 2012 4:13 PM

Removing the Display Panel | 8133Removing the Display Panel WARNING: Before working inside your computer, read the safety information that shi

82 | Removing the Display Panel2 Carefully lift the display panel and turn it over.3 Peel and lift the tape that secures the display cable to the di

Replacing the Display Panel | 8334Replacing the Display Panel WARNING: Before working inside your computer, read the safety information that shipp

84 | Replacing the Display Panelbook.book Page 84 Wednesday, April 11, 2012 4:13 PM

Removing the Display Hinges | 8535Removing the Display Hinges WARNING: Before working inside your computer, read the safety information that s

86 | Removing the Display Hinges3 Turn the display assembly over.4 Remove the screws that secure the display hinges to the display cover.5 Lift the

Replacing the Display Hinges | 8736Replacing the Display Hinges WARNING: Before working inside your computer, read the safety information that shi

88 | Replacing the Display Hingesbook.book Page 88 Wednesday, April 11, 2012 4:13 PM

Removing the Camera Module | 8937Removing the Camera Module WARNING: Before working inside your computer, read the safety information that shi

Before You Begin | 91Before You BeginTurn Off Your Computer and Connected Devices CAUTION: To avoid losing data, save and close all open files

90 | Removing the Camera Module2 Turn the camera module over.3 Peel and lift the tape that secures the camera cable to the camera module.1 tape 2 ca

Removing the Camera Module | 914 Disconnect the camera cable from the connector on the camera module.1 camera cable connector 2 camera module3 c

92 | Removing the Camera Modulebook.book Page 92 Wednesday, April 11, 2012 4:13 PM

Replacing the Camera Module | 9338Replacing the Camera Module WARNING: Before working inside your computer, read the safety information that s

94 | Replacing the Camera Modulebook.book Page 94 Wednesday, April 11, 2012 4:13 PM

Removing the Processor | 9539Removing the Processor WARNING: Before working inside your computer, read the safety information that shipped wit

96 | Removing the ProcessorProcedure1 To loosen the ZIF socket, use a small, flat-blade screwdriver and rotate the ZIF-socket cam screw counterclock

Replacing the Processor | 9740Replacing the Processor WARNING: Before working inside your computer, read the safety information that shipped with

98 | Replacing the Processor11 Replace the battery. See "Replacing the Battery" on page 19.12 Follow the instructions in "After Worki

Removing the System Board | 9941Removing the System Board WARNING: Before working inside your computer, read the safety information that shipp