c.
Optical drive (see
Optical drive on page 44
)
d.
Modem module (see
Modem module on page 70
)
e.
Keyboard (see
Keyboard on page 57
)
f.
Top cover (see
Top cover on page 59
)
When replacing the system board, be sure to remove the following components from the defective
system board and install on the replacement system board:
●
SIM (see
SIM on page 42
)
●
Memory module (see
Memory modules on page 48
)
●
WLAN module (see
WLAN/Bluetooth combo card on page 52
)
●
WWAN module (see
WWAN module on page 50
)
●
Modem module (see
Modem module on page 70
)
●
Processor (see
Processor on page 85
)
Remove the system board:
1.
Position the computer upright with the front toward you.
2.
Disconnect the webcam cable
(1)
and the display cable
(2)
from the system board, and remove
the cables from the routing clip
(3)
.
3.
Remove the Phillips PM2.5×5.0 screw
(1)
that secures the system board to the base enclosure.
4.
Lift the optical drive connector latch
(2)
, and then disconnect the optical drive cable
(3)
.
Component replacement procedures
77
