Windows Upgrade Help and more

Same here. This happened to me with a compact keyboard. I used the built-in Windows Keyboard Manager in PowerToys to swap right Ctrl and Alt.

This. You could also run the Activation troubleshooter again, but this time choose the "I changed hardware on this device recently" option. Another option is to manually enter your Windows 10 product key in the activation settings.

Yeah, that's a solid suggestion. A quick tip: before you do, double-check that Secure Boot and TPM 2.0 are definitely enabled in your BIOS, as Lenovo sometimes has them off by default.

Same here. Yeah, that search trick is a lifesaver. Also, don't be shy about right-clicking on things—it often shows you the most useful options for whatever you're working on.

This. Agreed, grabbing the driver straight from the manufacturer's site is the way to go. A quick tip: sometimes you need to manually uninstall the old, broken driver in Device Manager first before the new one will take.

Agreed, and don't forget to save your BIOS changes and reboot before checking again—it's an easy step to miss.