Windows Upgrade Help and more

Thanks! I tried that, but now my computer won't start up properly and just shows a black screen. What should I do?

Has anyone else had the "This PC can't run Windows 11" error, even though my PC meets all the requirements? The Health Check app says my TPM 2.0 is enabled and Secure Boot is on, but the upgrade assistant still fails. It gets to about 75% installed, then rolls back with a generic error. I’ve tried ...