Lenovo 3376, Maintenance Manual

Page: 153 / 174

3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 120.
4. Pivot the drive bay assembly upward. See “Accessing the system board components and drives” on
page 122.
5. Disconnect the front audio and USB assembly cables from the system board. See “Locating parts on
the system board” on page 79.
Note: Make sure you note the locations of the cables when you disconnect the cables from the system
board.
6. Remove the screw that secures the front audio and USB assembly bracket to the chassis to remove
the bracket from the chassis.
Figure 91. Removing the front audio and USB assembly
7. Install the new front audio and USB assembly bracket into the chassis and align the screw hole in the
bracket with the corresponding hole in the chassis.
8. Install the screw to secure the bracket to the chassis.
9. Pivot the drive bay assembly upward and reconnect the front USB and front audio cables to the system
board. See “Locating parts on the system board” on page 79.
10. Lower the drive bay assembly. See “Accessing the system board components and drives” on page 122.
11. Reinstall the front bezel. See “Removing and reinstalling the front bezel” on page 120.
What to do next:
• To work with another piece of hardware, go to the appropriate section.
• To complete the installation or replacement, go to “Completing the parts replacement” on page 158.
Replacing the WiFi units
Attention:
Do not open your computer or attempt any repair before reading and understanding the “Important safety information”
on page 1.
This section provides instructions on how to replace the WiFi units. The WiFi units include a WiFi adapter
card, a WiFi card module, and a rear WiFi antenna cable.
Chapter 10
.
Replacing FRUs (machine types: 3377, 3386, and 3388)
149