Lenovo 4156 Personal Computer User Manual


 
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Install the two rear WiFi antennas to the rear WiFi antenna cable connectors attached on the rear
of the computer.
3. Adjust the angle of the rear antennas to lower the risk of breaking the antenna by accident.
Figure 62. Installing the rear WiFi antennas
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 75.
Removing the rear WiFi antennas
To remove the rear WiFi antennas, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Straighten the rear WiFi antennas so that it can be more easily twisted.
68 ThinkCentre User Guide