Dell 3137, P19T001 36

36 | Removing the System Board

Procedure

NOTE: Replacing the system board removes any changes you have made to the

BIOS using System Setup. Enter the Service Tag of your computer in the BIOS and

make the desired changes again after you replace the system board.

For more information on entering the Service Tag in the BIOS, see "Replacing the

System Board" on page 39.

NOTE: Before disconnecting the cables from the system board, note the location

of the connectors so that you can reconnect them correctly after you replace the

system board.

1Disconnect the speaker cable from the system board.

2Gently lift the right speaker to remove it from the alignment posts and place it on

the palm rest.

1speaker cable 2right speaker

Contents

Main Notes, Cautions, and Warnings ____________________ Contents Before Working Inside Your Computer . . . . . . . . . 7 Replacing the Base Cover . . . . . . . . . . . . . . . . . . . 11 Removing the Battery . . . . . . . . . . . . . . . . . . . . . . 12 Replacing the Battery . . . . . . . . . . . . . . . . . . . . . . 13 Replacing the Hard Drive. . . . . . . . . . . . . . . . . . . . 20 Removing the Wireless Card. . . . . . . . . . . . . . . . . 21 Replacing the Wireless Card . . . . . . . . . . . . . . . . . 22 Removing the Speakers . . . . . . . . . . . . . . . . . . . . . 23 Replacing the Speakers . . . . . . . . . . . . . . . . . . . . . 24 Removing the Fan . . . . . . . . . . . . . . . . . . . . . . . . . 29 Replacing the Fan. . . . . . . . . . . . . . . . . . . . . . . . . . 30 Removing the Heat Sink . . . . . . . . . . . . . . . . . . . . 31 Replacing the Heat Sink. . . . . . . . . . . . . . . . . . . . . 32 Removing the Power-Adapter Port . . . . . . . . . . . 33 Page Before Working Inside Your Computer Before You Begin Recommended Tools 8 Safety Instructions After Working Inside Your Computer 10 Removing the Base Cover Replacing the Base Cover 12 Removing the Battery Replacing the Battery 14 Removing the Memory Module(s) Page 16 Replacing the Memory Module(s) Removing the Hard Drive 18 Page 20 Replacing the Hard Drive Removing the Wireless Card 22 Replacing the Wireless Card Removing the Speakers 24 Replacing the Speakers Removing the Coin-Cell Battery 26 Replacing the Coin-Cell Battery Removing the I/O Board 28 Replacing the I/O Board Removing the Fan 30 Replacing the Fan Removing the Heat Sink 32 Replacing the Heat Sink Removing the Power-Adapter Port 34 Replacing the Power-Adapter Port Removing the System Board 36 Page Page Replacing the System Board Entering the Service Tag in the BIOS 40 Removing the Display Assembly Page 42 Replacing the Display Assembly Removing the Palm Rest 44 Page Page Page 48 Replacing the Palm Rest Flashing the BIOS