Maintenance and Service Guide

2. Detach and release the webcamera/microphone module (2) from the display assembly. (The
webcamera/microphone module is attached to the display assembly with double-sided tape.)
Reverse this procedure to install the webcam/microphone module.
Audio/USB board
NOTE: The audio/USB board spare part kit does not include the audio/USB board ribbon cable. The
audio/USB board ribbon cable is included in the Cable Kit, spare part number 728048-001. See
Cable Kit on page 12 for more Cable Kit information.
Description Spare part number
Audio/USB board 728065-001
Before removing the audio/USB board, follow these steps:
1. Turn off 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 the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the bottom cover (see
Bottom cover on page 23).
5. Remove the rear cover (see
Rear cover on page 26).
6. Disconnect the battery cable (see
Hard drive on page 27).
7. Remove the hard drive (see
Hard drive on page 27).
8. Remove the cover bracket (see
X-axis capacitor board on page 33).
9. Remove the display stand recess (see
Display stand recess on page 41).
Component replacement procedures 47