USB/audio board
Description Spare part number
USB/audio board 767444-001
Before removing the USB/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 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 42).
5. Remove the following components:
a. Service doors (see
Service door on page 43).
b. Keyboard (see
Keyboard on page 55)
c. Hard drive (
Hard drive on page 45)
d. Optical drive (
Optical drive on page 49)
e. Top cover (see
Top cover on page 58)
Remove the USB/audio board:
1. Position the top cover upside-down.
2. Remove the Phillips PM2.5×4.0 screw (1) that secures the USB/audio board to the computer.
3. Disconnect the cable from the board (2).
70 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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