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:
Memory modules (see
●
RTC battery (see
RTC battery on page
●
WLAN module (see
●
Bluetooth module (see
●
ExpressCard assembly (see
●
●
●
Remove the system board:
Remove the USB/power connector board cable (1) from the clips built into the base enclosure.
1.
Remove the Phillips PM2.5×4.0 screw (2) and the Phillips PM2.0×7.0 screw (3) that secure the
2.
system board to the base enclosure.
Use the optical drive connector (1) to lift the right side of the system board (2) until it rests at an
3.
angle.
Disconnect the audio board cable (3) from the system board.
4.
55)
65)
Memory module on page
47)
WLAN module on page
Bluetooth module on page
ExpressCard assembly on page
79)
59)
75)
45)
48)
68)
69)
76)
Component replacement procedures
71)
73