g.
Optical drive (see
h.
Display assembly (see
Display assembly on computers with 14-in displays on page
i.
Top cover (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 module (see
●
WLAN module (see
●
WWAN module (see
●
Modem module (see
●
Processor (see
Processor on page
Remove the system board:
1.
Position the computer right-side up with the front toward you.
2.
Disconnect the following cables from the system board:
●
(1) Bluetooth module cable
●
(2) USB connector module cable
●
(3) RJ-45 cable
●
(4) SIM board
●
(5) Power cable
3.
Lift the rear edge of the system board (1) until it rests at an angle.
Optical drive on page
Display assembly on computers with 15-in displays on page 84
Top cover on page
90)
Memory module on page
WLAN module on page
WWAN module on page
Modem module on page
110)
69)
97)
68)
80)
74)
103)
Component replacement procedures 113
or