Dell 17R-5720, 17R-7720 44

book.book Page 44 Monday, October 8, 2012 4:17 PM

Procedure

CAUTION: Removing the coin-cell battery 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 coin-cell battery out of the

battery socket on the system board.

1 plastic scribe 2 coin-cell battery

battery socket

44 | Coin-Cell Battery

Contents

Main Notes, Cautions, and Warnings 2 Contents 1 Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . 7 4B a t t e r y 5 Keyboard. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15 6 Base Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19 10 Wireless Mini-Card. . . . . . . . . . . . . . . . . . . . . . 31 11 mSATA Card (Optional) . . . . . . . . . . . . . . . . . . 35 12 Palm Rest . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39 13 Coin-Cell Battery . . . . . . . . . . . . . . . . . . . . . . . 43 14 Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 19 Camera Module . . . . . . . . . . . . . . . . . . . . . . . . 71 20 Syst em Board . . . . . . . . . . . . . . . . . . . . . . . . . . 75 21 Heat Sink. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 22 Processor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 23 Power-Adapter Port. . . . . . . . . . . . . . . . . . . . . 89 Page 1 Turn Off Your Computer and Connected Devices Safety Instructions Recommended Tools 8 2 Page 3 Removing the Switch Replacing the Switch 12 4 Removing the Battery Replacing the Battery Page 5 Removing the Keyboard 16 Page Replacing the Keyboard 18 6 Removing the Base Cover Replacing the Base Cover 20 7 Removing the Memory Module(s) Replacing the Memory Module(s) 22 8 Removing the Hard Drive(s) 24 Page Replacing the Hard Drive(s) 26 9 Removing the Optical Drive 28 Replacing the Optical Drive Page 10 Removing the Wireless Mini-Card 32 Replacing the Wireless Mini-Card Page 11 Removing the mSATA Card 36 Replacing the mSATA Card Page 12 Removing the Palm Rest 40 Replacing the Palm Rest Page 13 Removing the Coin-Cell Battery 44 Replacing the Coin-Cell Battery Page 14 Removing the Fan Replacing the Fan 48 15 Removing the LAN Board 50 Replacing the LAN Board Page 16 Removing the LAN-USB Cable 54 Replacing the LAN-USB Cable Page 17 Removing the USB Board 58 Replacing the USB Board Page 18 Removing the Display Assembly Page Replacing the Display Assembly Removing the Display Bezel Replacing the Display Bezel Removing the Display Panel Page Page Replacing the Display Panel Page 19 Removing the Camera Module 72 Page Replacing the Camera Module 74 20 Removing the System Board Page Page Page Replacing the System Board Entering the Service Tag in the BIOS 21 Removing the Heat Sink 82 Replacing the Heat Sink Page 22 Removing the Processor 86 Replacing the Processor Page 23 Removing the Power-Adapter Port 90 Replacing the Power-Adapter Port Page 24 Removing the Speakers 94 Replacing the Speakers Page 25 Removing the Subwoofer 98 Replacing the Subwoofer Page 26