Dell 5423 - page 59

Removing the System Board | 59

3Remove the screw that secures the system board to the computer base.

4Gently lift the system board and turn it over.

1 screw 2 system board

OM_Book.book Page 59 Tuesday, May 8, 2012 2:04 PM

Contents

Main Notes, Cautions, and Warnings ____________________ Contents 1 Before You Begin. . . . . . . . . . . . . . . . . . . . . . . . 7 4 Replacing the Memory Module(s). . . . . . . . . . 13 5 Removing the Optical-Drive Assembly . . . . . 15 6 Replacing the Optical-Drive Assembly . . . . . 17 10 Replacing the Palm-Rest Assembly . . . . . . . . 29 11 Removing the Battery . . . . . . . . . . . . . . . . . . . 31 12 Replacing the Battery . . . . . . . . . . . . . . . . . . . 33 13 Removing the Hard Drive . . . . . . . . . . . . . . . . 35 14 Replacing the Hard Drive . . . . . . . . . . . . . . . . 37 20 Replacing the Daughter Board . . . . . . . . . . . . 51 21 Removing the Speakers. . . . . . . . . . . . . . . . . . 53 22 Replacing the Speakers. . . . . . . . . . . . . . . . . . 55 23 Removing the System Board. . . . . . . . . . . . . . 57 24 Replacing the System Board. . . . . . . . . . . . . . 61 30 Replacing the Display Assembly . . . . . . . . . . . 73 31 Removing the Display Bezel . . . . . . . . . . . . . . 75 39 Flashing the BIOS. . . . . . . . . . . . . . . . . . . . . . . 93 32 Replacing the Display Bezel . . . . . . . . . . . . . . 77 33 Removing the Display Hinges. . . . . . . . . . . . . 79 1 Turn Off Your Computer and Connected Devices Recommended Tools 8 Safety Instructions 2 Page 3 12 4 Page 5 16 6 Page 7 Page Page 22 8 Page 9 26 Page 28 10 Page 11 Page 12 Page 13 36 14 Page 15 40 16 42 17 Page 18 Page 19 48 Page Page 20 Page 21 54 22 Page 23 Page Page Page 24 62 Entering the Service Tag in system setup 25 Page 26 Page 27 Assembly 68 28 Assembly Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 84 Page Page 36 Page 37 Page 38 Page 39