Just built my PC, it was working fine, and then it started acting weird.
It crashed, and blue screened several times, then started displaying these vertical stripes on my screen. So I went in & uninstalled graphics drivers, and reinstalled them.
This seemed to help, because it stopped blue-screening & crashing, but the vertical stripes are still there.
The screen constantly shows these multi-colored vertical stripes across my screen now, and I tried booting up minecraft just to see if it would actually play a game.
It told me my drivers don't support "accelerated gameplay" or something like that. But I'm very sure I have my drivers up to date, the "device manager" even tells me my drivers are up to date. I even installed a driver suite from AMD.
I also updated my BIOS thinking that would help, but still no luck.
Also, this happens VERY RARELY but every so often when I boot it up, it's like the GPU isn't working or something, my screen stays black, and when it does this i look on the MoBo & this LED is lit up, and the LED is marked "VGA LED"