Hmm.
If your motherboard has on board graphics, PLug it in there.
If it doesnt, Then ur screwed.
Take the disc out when booting. (Could be causing problems)
THats really all i can think of.
When i tried to activate windows on a laptop, It kept BSOD'ing.
Its deffinatly your monitor or your gfx card because EVERY computer has to have a BIOS. Because without a BIOS your computer wont even start,,
acid_buRn