Windows 11 Wifi Problem

Hi JCCrenshaw,

The first thing I would check is your motherboard/computer running the latest bios and also check the router for the latest firmware.

Have you tried changing 5Ghz channel in the router?

Does the Event Viewer show any errors, the following link shows you where.

Where to find logs for troubleshooting Windows connectivity (iu.edu)

Router auto updates it's firmware and just recently updated it self. BIOS is on the latest firmware also. And I have tried numerous channels that is the only thing that makes my 5 Ghz work (work as in minutes to a few days then just STOPs...) thanks for the suggestions.. I have already tried conventional trouble shooting...

I found the fix go to wifi properties and change the IP assignment settings switch back to automatic

Hi JCCrenshaw,

The first thing I would check is your motherboard/computer running the latest bios and also check the router for the latest firmware.

Have you tried changing 5Ghz channel in the router?

Does the Event Viewer show any errors, the following link shows you where.

Where to find logs for troubleshooting Windows connectivity (iu.edu)

This might help people as well,

My computer is SP7 running Intel Wi-Fi 6 AX201 160MHz wireless card.

I also had no wireless after an update on Windows 11 Dev channel and repaired it by Clean Installation of Wireless Drivers from Intel

Clean Installation of Wireless Drivers (intel.com)

Although it says for W10 it works on W11 as well and I removed all network drivers in the device manager until the network card didn't appear in the device manager, rebooted.

I used another computer to download the latest drivers for my Intel network card then used a USB stick to transfer to my SP7 and started the network driver update .exe program and installed the new drivers, rebooted again.

Once back on the desktop no errors were reported in the device manager so all I had to do is to connect to the router and sign in so had the Internet working again.

Having other makes and model computers you should be able to do the same procedure (from your network card manufacturer) to get your wireless card working, clean installing drivers might be a better method than relying on Windows Update for drivers as it's a bit hit and miss IMO.

Your idea to remove ALL drivers worked for about 40+- hours and today I am back to the same problem, 5 GHz band connects but doesn't get a proper IP address but 2.4 GHz works just fine. I tried an older USB AC Realtek and it works with no problem. Both units work fine in windows 10. But my ASUS - "Intel AX200 160MHz" PCI card just isn't working correctly in Windows 11. Any other ideas?

5GHz (when I reverted windows 11 back to Windows 10 this worked, I did a clean install back to windows 11 - same problem)

IP = 169.254.2.72

Sub = 255.255.0.0

No gateway..

2.4 GHz - all good

IP = 192.168.X.X

Sub = 255.255.255.0

This might help people as well,

My computer is SP7 running Intel Wi-Fi 6 AX201 160MHz wireless card.

I also had no wireless after an update on Windows 11 Dev channel and repaired it by Clean Installation of Wireless Drivers from Intel

Clean Installation of Wireless Drivers (intel.com)

Although it says for W10 it works on W11 as well and I removed all network drivers in the device manager until the network card didn't appear in the device manager, rebooted.

I used another computer to download the latest drivers for my Intel network card then used a USB stick to transfer to my SP7 and started the network driver update .exe program and installed the new drivers, rebooted again.

Once back on the desktop no errors were reported in the device manager so all I had to do is to connect to the router and sign in so had the Internet working again.

Having other makes and model computers you should be able to do the same procedure (from your network card manufacturer) to get your wireless card working, clean installing drivers might be a better method than relying on Windows Update for drivers as it's a bit hit and miss IMO.