ZenWiFi AXE6600 (ET8) - 6 GHz band is not shown on my laptop.

[Karbi]

I have ZenWiFi AXE6600 (ET8) router. I use ethernet for backhaul.  But the 6GHz band is not shown on my laptop.

2.4 GHz and 5GHz SSIDs are shown, but 6GHz SSiD is not shown in available networks in my Win 11 laptop.

Is there any setting I need to change in the router so that 6 GHz is shown on my laptop?

Please help.

[jzchen]

This is odd I think this is the first time I've seen this concern on a Windows 11 PC.  Have you tried enabling Preferred Scanning Channels (PSC), (it's a check box setting)?

[Karbi]

Yes jzchen, PSC is already enabled.

[jzchen]

Please disable (if not already):

OFDMA/802.11ax MU-MIMO.  This is another setting I suspect has issues.

[Karbi]

I disabled it. But no use. Still, I am not able to see the 6GHz band.

I observed that some days it appears and disappears the next day. Again it appears after some days.

I cannot figure out what is causing it to appear and disappear.