When I do that I get "Error loading operating system" again. WTF? So, anyone know how I can fix this because right now I have a computer whose only function is BIOS ...

If you see Error 1962, No operating system found, Press any key to repeat boot sequence when you start your Lenovo computer, see this post.

When VMware says 'Operating system not found', during Windows boot, then one of these 4 suggestions is sure to fix the problem for you.

Hey guys-My brother's hard disk went out on his Dell so I'm installing an older 45 gig IBM of mine for him. I took his out, put mine in, and booted up. I was prompted to install a boot disk, so I ...

If the previous steps did not fix operating system error in Warzone 2.0, you also need to make sure that Modern Warfare 2/Warzone 2.0 game is not set to run in compatibility mode.