Lenovo ThinkCentre Edge 92, Hardware Maintenance Manual

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6. Remove the screw that secures the front audio and USB assembly bracket to the chassis to remove
the bracket from the chassis.
Figure 39. Removing the front audio and USB assembly
7. Install the new front audio and USB assembly 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 new front audio and USB assembly to the chassis.
9. Reconnect the front audio and USB assembly cables to the front audio connector and the front USB
connector on the system board. See “Locating parts on the system board” on page 74.
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 118.
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.
Replacing the WiFi units involves the following operations:
• “Removing the WiFi adapter card” on page 110
• “Removing the WiFi card module” on page 111
• “Installing the WiFi units” on page 112
Chapter 9
.
Replacing FRUs (machine types: 3376, 3378, and 3387)
109