Replacing The Wi-Fi Units - Lenovo ThinkCentre M83 Hardware Maintenance Manual

6. Position the new cover presence switch so that the screw hole in the cover presence switch is aligned
with the corresponding hole in the chassis. Then install the screw to secure the cover presence
switch to the chassis.
Figure 84. Installing the new cover presence switch
7. Reconnect the cover presence switch cable to the system board. See "Locating parts on the system
board" on page 72.
8. Reinstall the front bezel. See "Removing and reinstalling the front bezel" on page 94.
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 156.

Replacing the Wi-Fi units

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "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 145
• "Removing the Wi-Fi card module" on page 147
• "Installing the Wi-Fi units" on page 149
144
ThinkCentre M83 and M93/p Hardware Maintenance Manual