Maybe your vga has a problem. Use your motherboard graphics instead of your dedicated graphic card. If it solves, buy yourself another vga (make sure your psu can handle it, and that you have enough cpu so you won't get bottlenecked by it).
Maybe your vga has a problem. Use your motherboard graphics instead of your dedicated graphic card. If it solves, buy yourself another vga (make sure your psu can handle it, and that you have enough cpu so you won't get bottlenecked by it).