4.
Remove the battery (see
5.
Remove the following components:
a.
b.
c.
d.
e.
f.
g.
h.
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:
●
SIM (see
●
Primary memory module (see
●
Expansion memory module (see
●
WLAN module (see
●
WWAN module (see
●
Processor (see
Remove the system board:
1.
Position the top cover right-side up, with the front toward you.
2.
Disconnect the power button cable (1) swinging ZIF connector from the system board (2).
3.
Disconnect the TouchPad cable (3) swinging ZIF connector from the system board (4).
4.
Disconnect the wireless/web/mute function board cable (5) swinging ZIF connector from the
system board (6).
5.
Disconnect the fingerprint reader cable (7) swinging ZIF connector from the system board (8).
Downloaded from LpManual.com Manuals
Battery on page
Hard drive (see
Hard drive on page
Optical drive (see
Optical drive on page
Keyboard (see
Keyboard on page
Modem module (see
Modem module on page
Fan (see
Fan on page
76)
Heat sink (see
Heat sink on page
Base enclosure cover (see
Display assembly (see
Display assembly on page
SIM on page
51)
Primary memory module on page 74
WLAN module on page
WWAN module on page
Processor on page
50).
60)
57)
66)
72)
78)
Base enclosure cover on page
89)
Expansion memory modules on page
52)
69)
80)
82)
64)
Component replacement procedures
97