Audio board
Table 5-12 Audio board description and number
Description Spare part number
Audio board L25087-001
Audio board cable L20328-001
Before removing the audio board and security bracket, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is o 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 from the computer by rst unplugging the power cord from the AC outlet and then
unplugging the AC adapter from the computer.
4. Remove the bottom cover (see Bottom cover on page 38).
5. Remove the battery (see Battery on page 40).
6. Remove the hard drive (see Hard drive on page 48).
To remove the audio board:
1. Disconnect the cable from the audio board ZIF connector (1).
2. Remove the Phillips M2.0×3.0 screw (2) that secures the board to the computer.
3. Rotate the back of the board up and pull it away from the side of the computer to remove it (3).
Reverse this procedure to install the audio board.
Component replacement procedures 59
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