USB/audio board
Description Spare part number
USB/audio board 916922-001
Before removing the USB/audio board, 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 32).
5. Remove the battery (see Battery on page 36).
6. Remove the keyboard (see Keyboard on page 47).
7. Remove the internal base plate (see Internal base plate on page 50
Remove the USB/audio board:
1. Disconnect the cable from the system board (1).
2. Remove the 2 Phillips M2.5×5.0 screws (2) that secure the USB/audio board to the computer.
3. Lift up rear side of the board, and then pull it away from the side of computer to remove it (3).
Reverse this procedure to install the USB/audio board.
Component replacement procedures 61
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