Windows 7 computer, whenever starting up, crashes at the same part of the windows logo every time, freezes, crashes to a black screen with no cursor, then returns me to a 'windows error recovery' screen, with the options of starting windows normally or launching startup repair. If I start normally, it puts me in the same loop. Startup repair says there is a problem that can't be identified, system restore doesn't fix it, memory diagnostic says everything is fine, scanned the computer using the command prompt and that said there were no issues with windows files. I can access the bios, but trying to start the computer in safe mode puts me in the exact same loop. I 'm not sure what the problem is, any suggestions are appreciated, thanks!