Thanks. Windows did not automatically install a driver so I did search for and found a driver online on the TP-Link web site and used it. Same problem repeated. 802.11ac protocol is specific to 5 Ghz...

Thanks very much for your response. After making the change and rebooting, I now have it set to 802.11ac however, the TP-LINK utility is still telling me 802.11a is the protocol. I wonder if it's...

Model : Hardware Version : Firmware Version : ISP : I have 185 Mbps Internet with a Comcast Arris TG1682G router. I purchased a TP-Link AC1200 Wireless Dual Band USB Adapter (Archer T4U) and set it...