Installing Or Removing The Rear Wi-Fi Antenna - Lenovo ThinkCentre M79 Hardware Maintenance Manual

• To complete the installation or replacement, go to "Completing the parts replacement" on page 142.
Removing the front Wi-Fi antenna
To remove 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 103.
3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 104.
4. Disconnect the front antenna cable from the Wi-Fi card module.
5. Remove the front antenna and cable from the front of the computer.
Figure 49. Removing the front WiFi antenna
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 142.

Installing or removing the rear Wi-Fi antenna

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter
1 "Read this first: Important safety information" on page 1.
Installing the rear Wi-Fi antenna
To install the rear 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. Install the rear Wi-Fi antenna to the rear Wi-Fi antenna cable connector attached on the rear of the
computer.
3. Adjust the angle of the rear antenna to lower the risk of breaking the antenna by accident.
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Chapter 11 Installing or replacing hardware
135