6
.
Remove the two Phillips PM2.0×6.0 screws
(1)
and the two Phillips PM2.5×5.0 screws
(2)
that
secure the top cover to the computer.
7
.
Lift the front edge of the top cover
(1)
until it disengages from the computer.
8
.
Remove the top cover
(2)
.
Reverse this procedure to install the top cover.
Audio board
Description
Spare part number
Audio board (includes audio board cable)
431444-001
Before removing the audio board, follow these steps:
1
.
Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2
.
Disconnect all external devices connected to the computer.
3
.
Disconnect the power cord.
Component replacement procedures 51