1.
Shut down the computer.
2.
Disconnect all external devices connected to the computer.
3.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4.
Remove the keyboard/top cover (see
5.
Remove the battery (see
6.
Remove the USB port shield (see
NOTE:
When replacing the system board, be sure that the following components are removed from the
defective system board and installed on the replacement system board.
●
WLAN module (see
●
Fan/heat sink assembly (see
●
Memory modules (see
Remove the system board:
1.
Disconnect the following cables from the system board:
(1) Audio/USB board ZIF connector cable
(2) RTC battery cable
(3) Webcam/microphone module cable
(4) Speaker cable
(5) WLAN antenna cables
52
Chapter 5 Removal and replacement procedures for authorized service provider parts
Keyboard/top cover on page
Battery on page
42).
USB port shield on page
WLAN module on page
54)
Fan/heat sink assembly on page
Memory module on page
34).
50).
56)
58)