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k. Top cover trim (see Top cover trim on page 87)
l. Rear USB board (see
Rear USB board on page 90)
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
Memory module on page 54)
●
RTC battery (see
RTC battery on page 56)
●
WLAN module (see
WLAN module on page 57)
●
Bluetooth module (see
Bluetooth module on page 82)
●
ExpressCard assembly (see
ExpressCard assembly on page 85)
●
Optical drive connector board (see
System board on page 92)
Remove the system board:
1. Turn the computer upside down with the front toward you.
2. Remove the Phillips PM2.5×8.0 screw that secures the system board to the base enclosure.
3. Turn the computer right-side up, with the front toward you.
Component replacement procedures 93