I have dual-boot Ubuntu 20.10 & Windows 10

I have been having a problem since upgrading to 20.04 Focal Fossa which was Bluetooth only exists upon hibernation so I tried to compile rtlwifi-new but failed with a lot of errors.

Now, to a new strange problem: LAN, USB tethering, Wi-Fi not working (I connect successfully but with no internet access)

attached proofs: