e. Keyboard (see Keyboard on page 55)
f. Switch cover (see
Switch cover on page 59)
g. Fan (see
Fan on page 61)
h. Graphics card heat sink (see
Graphics card heat sink on page 61)
i. Graphics card (see
Graphics card on page 64)
j. Processor heat sink (see
Processor heat sink on page 66)
k. Display assembly (see
Display assembly on page 70)
l. Top cover (see
Top cover on page 78)
m. Speaker assembly (see
Speaker assembly on page 83)
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 49)
●
WLAN module (see
WLAN module on page 51)
●
Modem module (see
Modem module on page 84)
●
Processor (see
Processor on page 68)
●
ExpressCard assembly (see
ExpressCard assembly on page 88)
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
