Audio board
Description
Spare part number
Audio board
844421-001
Before removing the audio board, follow these steps:
1.
Turn off 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 the power from the computer by unplugging the power cord from the computer.
3.
Disconnect all external devices from the computer.
4.
Remove the bottom cover (see
Bottom cover on page 28
)
5.
Remove the battery (see
Battery on page 29
).
6.
Remove the system board (see
System board on page 48
).
Remove the audio board:
▲
Rotate the side of the board upward (1), and then lift the board up and off the computer (2).
Reverse the removal procedures to install the audio board.
58
Chapter 5 Removal and replacement procedures for Authorized Service Provider parts
