
3
.
Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC adapter from the computer.
4
.
Remove the battery (see
Battery on page 36
).
5
.
Remove the following components:
a
.
Hard drive (see
Hard drive on page 42
)
b
.
Optical drive (see
Optical drive on page 49
)
c
.
Keyboard (see
Keyboard on page 50
)
d
.
Hinge cover (see
Hinge cover on page 52
)
e
.
Rear cover (see
Rear cover on page 53
)
f
.
Top cover (see
Top cover on page 55
)
g
.
Subwoofer (see
Subwoofer on page 67
)
h
.
System board (see
System board on page 70
)
Remove the audio connector board:
1
.
Remove the two Phillips PM2.5×5.0 screws
(1)
that secure the audio connector board to the base
enclosure.
2
.
Remove the audio connector board cable
(2)
from the clips built into the base enclosure.
3
.
Remove the audio connector board
(3)
from the base enclosure.
Reverse this procedure to install the audio connector board.
RTC battery
NOTE:
Removing the RTC battery and leaving it uninstalled for 5 or more minutes causes all passwords
and CMOS settings to be cleared.
Description
Spare part number
RTC battery
452319-001
74 Chapter
4
Removal and replacement procedures