Before you perform the following procedures, see the safety instructions in the Product Information Guide.
NOTICE:
To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal surface (such
as the back panel) on the computer.
NOTICE:
To avoid damaging the system board, you must remove the main battery before you begin working inside the computer.
The system board's BIOS chip contains the Service Tag, which is also visible on a barcode label on the bottom of the computer. The replacement kit for the
system board includes a CD that provides a utility for transferring the Service Tag to the replacement system board.
1. Follow the instructions in
"Preparing to Work Inside the
2. Remove the
memory
modules, the
3. Remove the
hard
drive.
4. Remove the
hinge
cover.
5. Remove the keyboard.
6. Remove the
display
assembly.
7. Remove the
palm
rest.
8. Remove the
video card/thermal-cooling assembly
9. Remove the
MCH heat
sink.
10. Disconnect the speaker connector from the system board.
11. Remove the
microprocessor thermal-cooling
12. Remove the microprocessor.
13. Remove the three M2.5 x 5-mm screws from the system board.