I have a 2013 MacBook Air (2013) [11ac] which started to play up as regards wi-fi. I think I tried everything I could find on the net. So decided to purchase a TP-LINK Archer T3U Wireless Adaptor, which is dual band.Installed OK but I had 2 SSID'S (say ABC [2.4 & 5GHz] and ABC24 [2.4GHz]). The Air would connect to ABC but at 2.4GHz. Again, I tried several things gleamed from the net.So I set up a brand new SSID (say ABC5). The TP-LINK will not show ABC5 and when I installed the TP-LINK on my HP Laptop (11n) it would not show ABC5 either.But the ABC5 SSID does show up on an Intel NUC [11ac] and a Dell Laptop [11ac] and I can connect successfully. Note: Not using the TP-LINK.My question is, if I am using the TP-Link for wireless, why will it not show ABC5?
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