e.
Keyboard (see
f.
Switch cover (see
g.
Fan (see
h.
Graphics card heat sink (see
i.
Graphics card (see
j.
Processor heat sink (see
k.
Display assembly (see
l.
Top cover (see
m. Speaker assembly (see
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
●
WLAN module (see
●
Modem module (see
●
Processor (see
●
ExpressCard assembly (see
Remove the system board:
1.
Turn the computer right-side up, with the front toward you.
2.
Remove the three PM2.5×4.0 screws that secure the system board to the base enclosure.
86
Chapter 4 Removal and replacement procedures
Keyboard on page
Switch cover on page
Fan on page
61)
Graphics card heat sink on page
Graphics card on page
Processor heat sink on page
Display assembly on page
Top cover on page
Speaker assembly on page
Memory module on page
WLAN module on page
Modem module on page
Processor on page
68)
ExpressCard assembly on page
55)
59)
64)
66)
70)
78)
83)
49)
51)
84)
88)
61)