I just recently built my first PC I'm getting a VGA light on my motherboard I was playing my PC the other morning and it was running just fine I was able to restart it a few times and got to work but none of my games were working so I decided to restart it again now I can't get past the bios sometimes it will say repairing and then go to a black screen and do nothing I've checked all my connections made sure my graphics card want to see if properly checked all my ram I can't figure out what's wrong please help