So if I disable CSM in my bios, boot from my USB drive, then format my OS drive, I'll then have a GPT drive I can actually install in?

Ok, well, the title may not be that descriptive due to the size limitations, so here's the full, unadulterated question:

When I am in the windows setup menu (booting from a USB drive, utilizing...

My fans are dust free
Temperatures never go above 50C
The performance starts low and stays low

21H2 Build 19044.1415
Previously, I was getting 200-300 FPS in Source games and >60 in every other game I have played.
Until one fateful day where I started to experience performance drops. CS:GO...

When I enable Hyper-V or any other virtualization based feature in the Turn Windows features on and off menu, I will be cursed to infinitely load once restarted.
I can make only as far as the...