USB/audio board
Description Spare part number
USB/audio board 905755-001
USB/audio board cable (included in Cable Kit) 905769-001
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 following components:
a. Service door (see Service door on page 33).
b. Optical drive (Optical drive on page 34)
c. Hard drive (Hard drive on page 36)
d. Keyboard (see Keyboard on page 45)
e. Top cover (see Top cover on page 52)
f. Battery (see Battery on page 66)
Remove the USB/audio board:
1. Position the computer upright on a at surface.
2. Disconnect the cable from the board (1).
3. Remove the Phillips PM2.5×6.0 screw (2) that secures the board to the computer.
68 Chapter 6 Removal and replacement procedures for Authorized Service Provider parts
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