Not able to connect to my 5GHZ wifi signal after new update MacOS BigSur 11.0.1

Rahul_Support wrote:

I am not able to connect to my 5GHZ wifi signal after new update MacOS BigSur 11.0.1

In General you can try

Disable any VPN or Proxy servers you are using

Uninstall all third party apps that are Cleaners/Optimizers/Anti-Virus

Power Cycle your router

Do a safe boot if necessary  https://support.apple.com/en-us/HT201262