Superguy,
Not sure if this is still relevant, but I'm afraid that that's hardware failure. The possibility of graphic card failure is high. Motherboard is less likely because you can still use Intel graphic, and your computer still works.
Not sure if this is still relevant, but I'm afraid that that's hardware failure. The possibility of graphic card failure is high. Motherboard is less likely because you can still use Intel graphic, and your computer still works.