TP-Link Archer T3U Plus User Manual page 22

3. If you can see "This device is working properly." in the red box, you have already
installed the driver successfully.
T3. What should I do if can't connect to the Wi-Fi after installing the
driver?
• Refer to T2 to check if you have installed the driver for your adapter successfully .
• Make sure the adapter is securely connected to the computer.
• Disable the antivirus software and firewall, then try again.
• Try a different USB port on the computer.
• Restart your computer and try again.
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