
USB/audio board
Description Spare part number
USB/audio board (includes USB cable and audio cable) 495065-001
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 44).
5. Remove the following components:
a. Hard drive (see
Hard drive on page 50)
b. Optical drive (see
Optical drive on page 46)
c. Keyboard (see
Keyboard on page 60)
d. Switch cover (see
Switch cover on page 65)
e. Display assembly (see
Display assembly on page 68)
f. Top cover (see
Top cover on page 74)
g. Fan (see
Fan on page 79)
h. Heat sink (see
Heat sink on page 81)
i. Modem module (see
Modem module on page 63)
j. System board (see
System board on page 88)
Remove the USB/audio board:
1. Position the computer right-side up, with the front toward you.
2. Disconnect the cable from the USB/audio board (1).
3. Remove the Torx T82.5×8.0 screw (2) that secures the USB/audio board to the base enclosure.
94 Chapter 4 Removal and replacement procedures