Installing Or Removing The Rear Wifi Antenna - Lenovo ThinkCentre M73 User Manual

3. Locate the two PCI Express x1 slots on the system board. See "Locating parts on the system board"
on page 13.
4. If the installed WiFi card module supports the Bluetooth function, use a Bluetooth cable to connect the
Bluetooth connector on the WiFi adapter card to the front USB connector on the system board.
5. Install the WiFi adapter card into one of the two PCI Express x1 slots. Then install the screw to secure
the WiFi adapter card in place.
Figure 58. Installing the WiFi adapter card
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 77.

Installing or removing the rear WiFi antenna

Attention:
Do not open your computer or attempt any repair before reading and understanding the "Important safety information"
on page v.
This section provides instructions on how to install or remove the rear WiFi antenna.
Installing the rear WiFi antenna
To install the rear WiFi antenna, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Install the rear WiFi antenna to the rear WiFi antenna cable connector attached on the rear of the
computer.
.
Chapter 5 Installing or replacing hardware
71