4.
Remove the battery (see
Battery on page 34
).
5.
Remove the keyboard (see
Keyboard on page 38
).
6.
Remove the top cover (see
Top cover on page 42
).
7.
Remove the hard drive (see
Hard drive on page 46
).
8.
Remove the USB board (see
USB board/audio jack on page 49
).
9.
Remove the WLAN (see
WLAN module on page 50
).
After removing 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
Memory module on page 58
)
●
RTC battery (see
RTC battery on page 61
)
●
Heat sink (see
Heat sink on page 65
)
●
PCH heat sink (see
PCH heat sink on page 64
)
●
mSATA solid-state drive (see
mSATA solid-state drive on page 62
)
Remove the system board:
NOTE:
The heat sink on your system board may appear different from the heat sink shown.
1.
Disconnect the following cables from the system board:
●
Display panel cable
(1)
●
Speaker cable
(2)
●
Fan power connector
(3)
2.
Remove the power connector bracket Phillips screw
(1)
and remove the power connector
bracket
(2)
.
Component replacement procedures
55
