It should not be driver if it cuts off in the BIOS. However with some of the Nvidia bugs it can make the PC unstable after a crash. Would make sense to power down the PC for about 5 minutes and then power on and see if it crashes in BIOS.
Ooo I see I got some replies after a few days! 1) I'm running NVIDIA - Geforce 306.02 (Windows 8 RTM); I've been running these drivers for a few weeks now though... I don't know why they'd decide to cause BEYOND driver level issues... 2) I am very positive it's not drivers... It does this way before Windows is loaded. 3) I tested the original monitor I had problems with on another computer again and it CAUSED THIS to that computer now too... I had to hookup another monitor to that one and "power cycle" to "Flush out the signal" Is a scenario like that even possible? I didn't know a Monitor could cause temporary malfunction of a GPU... Maybe it is the monitor after all? I don't know - this is a weird situation. I don't understand how a full shutdown would still cause this sort of deal. (PSU switched off too) I cannot do anymore testing until I get some new parts but I can confirm I've been using the problematic computer for a few days now and ever since power cycling the very, very low resolution monitor I haven't had any drop outs - although I'm assuming if I hooked up the original (faulty?) monitor it would happen again. Edit: to the person who asked, It's a 24 inch Dell Monitor from 2008. Edit Edit: Okay so I got a new Monitor and everything is working fine now. I guess my old monitor got shot and somehow temporarily messed up my GPU, oh well, fixed now, thanks for the support everyone!