@ArcherC8 Many thanks for the insights...finally cracked it and appeared to be a combination of factory reset of the router (something I should have done after the firmware update) and a Windows...

@ArcherC8 Thanks for taking the time to respond...I hadn't realised this was a US forum. PC will connect with Ethernet and only sees 2.4Ghz channel. SSID is the default and the firmware has been...

I've an Archer VR900 v3 (not listed in the options) I've two Windows 10 laptops that simply refuse to connect to my VR900. I've followed all the guidance resetting laptop and network configurations,...