Replacing The Wi-Fi Units - Lenovo thinkcentre e73 Hardware Maintenance Manual

6. Remove the screw that secures the front audio and USB assembly bracket to the chassis to remove
the bracket from the chassis.
Figure 44. 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 72.
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 121.

Replacing the Wi-Fi 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 Wi-Fi units. The Wi-Fi units include a Wi-Fi adapter
card, a Wi-Fi card module, and a rear Wi-Fi antenna cable.
Replacing the Wi-Fi units involves the following operations:
• "Removing the Wi-Fi adapter card" on page 111
• "Removing the Wi-Fi card module" on page 113
• "Installing the Wi-Fi units" on page 114
Removing the Wi-Fi adapter card
To remove a Wi-Fi adapter card, do the following:
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Chapter 9 Replacing FRUs (machine types: 10AS and 10AU)
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