Edimax BR-6258nL User Manual page 86

2. In System Preferences, click on "Network".
1. Here you will see all of your network connections. You need to remove any
Ethernet cable that may be connected, so that the "Ethernet" status in the
left panel displays "Not Connected", as shown below. Choose "Wi-Fi" from
the panel on the left side, and then click "Advanced" in the bottom right
corner.
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