Wireless Wan Antenna - Lenovo ThinkCentre M90n-1 Hardware Maintenance Manual

Replacement procedure
1. Remove any media from the drives and turn off all connected devices and the computer.
2. Disconnect the power cord from the electrical outlet and disconnect all cables from the computer.
3. Remove the rear Wi-Fi antenna.
4. Install the rear Wi-Fi antenna.
5. Reconnect the external cables and power adapter to the corresponding connectors on the computer,
and then reconnect the power cord to the electrical outlet.

Wireless WAN antenna

Prerequisite
Before you start, read Chapter 2 "Important safety information" on page 27 and print the following
instructions.
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M90n-1 Hardware Maintenance Manual