Dell 15, L521X13590620SA, XPS L521X 16

book.book Page 16 Monday, June 25, 2012 11:55 AM

3 Remove the screw that secures the battery-LED board to the base cover.

4 Lift and slide the battery-LED board out of the tab on the base cover.

1 screw 2 battery-LED board

3 tab

16 | Removing the Battery-LED Board

Contents

Main Notes, Cautions, and Warnings Contents Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 Replacing the Base Cover . . . . . . . . . . . . . . . . . . . 14 Removing the Battery-LED Board. . . . . . . . . . . . . 15 Replacing the Battery-LED Board. . . . . . . . . . . . . 17 Removing the Memory Module(s). . . . . . . . . . . . . 23 Replacing the Memory Module(s). . . . . . . . . . . . . 25 Removing the Hard Drive . . . . . . . . . . . . . . . . . . . 27 Replacing the Hard Drive. . . . . . . . . . . . . . . . . . . . 29 Removing the Optical Drive . . . . . . . . . . . . . . . . . 30 Removing the Coin-Cell Battery. . . . . . . . . . . . . . 38 Replacing the Coin-Cell Battery . . . . . . . . . . . . . 40 Removing the Fan . . . . . . . . . . . . . . . . . . . . . . . . . 41 Replacing the Fan. . . . . . . . . . . . . . . . . . . . . . . . . . 42 Removing the Processor Heat-Sink . . . . . . . . . . . 43 Removing the Power/Battery Status-Light Board Removing the System Board . . . . . . . . . . . . . . . . . 53 Replacing the System Board . . . . . . . . . . . . . . . . . 57 Replacing the Display . . . . . . . . . . . . . . . . . . . . . . 68 Removing the Palm Rest . . . . . . . . . . . . . . . . . . . . 69 Replacing the Palm Rest . . . . . . . . . . . . . . . . . . . . 71 Flashing the BIOS . . . . . . . . . . . . . . . . . . . . . . . . . . 72 Before You Begin Turn Off Your Computer and Connected Devices 8 Safety Instructions Recommended Tools After Working Inside Your Computer 10 Removing the Base Cover 12 Page Replacing the Base Cover 14 Removing the Battery-LED Board 16 Replacing the Battery-LED Board Removing the System Badge 18 Page Replacing the System Badge 20 Removing the Battery Replacing the Battery 22 Removing the Memory Module(s) 24 Replacing the Memory Module(s) 26 Removing the Hard Drive 28 Replacing the Hard Drive Removing the Optical Drive 30 Page 32 Replacing the Optical Drive Removing the Wireless Mini-Card 34 Replacing the Wireless Mini-Card Removing the mSATA Card 36 Replacing the mSATA Card Removing the Coin-Cell Battery 38 Page Replacing the Coin-Cell Battery 40 Removing the Fan Replacing the Fan 42 Removing the Processor Heat-Sink Replacing the Processor Heat-Sink 44 Removing the I/O Board Replacing the I/O Board 46 Removing the Speakers 48 Replacing the Speakers Removing the Power/Battery Status-Light Board 50 Page Replacing the Power/Battery Status-Light Board 52 Removing the System Board 54 Page 56 Replacing the System Board Postrequisites Entering the Service Tag in BIOS 58 Removing the Air Vent 60 Page Replacing the Air Vent 62 Removing the Keyboard 64 Replacing the Keyboard Removing the Display 66 Page Replacing the Display 68 Removing the Palm Rest 70 Replacing the Palm Rest Flashing the BIOS 72