Installing Or Removing The Front Wi-Fi Antenna - Lenovo THINKCENTRE M79 User 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 43. 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 6.
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 106.

Installing or removing the front Wi-Fi antenna

Attention: Do not open your computer or attempt any repair before reading and understanding the "Read
this first: Important safety information" on page v.
Installing the front Wi-Fi antenna
To install the front Wi-Fi antenna, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See "Removing the computer cover" on page 69.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 70.
4. Peel off the paper that protects the sticker on the front antenna.
.
Chapter 9 Installing or replacing hardware
97