Screen goes blank after secure boot enabled

[Whiskey9169]

Guys I'm new to forums so apologies if I'm doing anything wrong.

I wanted to get win 11 so I ran the pc health check and followed steps to enable tpm 2.0. I did that and got an update for win 11 without enabling secure boot. However, when I tried playing valorant I got an error that said secure boot was needed so I looked up how to enable that.

My mobo is gigabyte b550m aorus elite. I went to the BIOS and disabled CSM and exited and rebooted my pc. Then again to the bios and enabled secure boot. This is where it goes bad. My system seemed like it booted but I had no display. O did everything from changing displays to cables, nothing worked. So I removed the CMOS and reset the bios. I reverted back to Windows 10 and followed the same procedure, but again the same results. And by drives are already GPT and Windows shows bios as uefi. GPU is 1660 super. 

What am I missing? Please help.