Can't See Main SSID

[maklabouhlel]

I've got a weird issue where my pc can't see and connect to the main SSID but see all other SSIDs. I have no problem seeing and connecting to the SSID with my phone and ipad. The pc is in the next room from the router and has been connecting fine upto now. Any ideas what could be the issue?

 

[the-evaluator]

The SSID doesn't even show up on the PC? What wireless card has it got? It's possible, though unlikely, that your main SSID is a 5GHz network and the wireless card in the PC is 2.4GHz only. Or vice versa.

 

[Orcvader]

Another alternative problem could be the SSID moved to a different channel that's incompatible with the wireless network card. On 2.4GHz try move the channel to either 1, 6 or 11. For 5Ghz try 36 to 64.