I really don't get what is happening. I was playing Fallout New Vegas, on a slightly OCed Powercolor 6850. Been using it for a few days (after a Windows 8 reinstall). Been working fine, until mid game, I got a pink screen (Yes, a pink.). So I reboot, launch it again, get a blue/black screen (flashes colour than goes to black, as though there was no input). I can't alt+tab, CTRL+DEL or anything. Launch Mass Effect 3, same thing. Go to Warcraft 3, launch a game online, Grey screen. Get multiple grey screens trying BF3. I go all agro and take out the 6850. I put in a 4650 (with a really annoying fan that is so loud it drives you to insanity). No issues, but I can't run BF3 Armoured Kill, or Fallout New Vegas (locked in ugrids, too many INI tweaks). Really bad experience. Uninstall the 6850 using Hidden Device Manager after uninstalling drivers and such, put it back in, with full stock clocks. 30 min WC3 game, then black screen. (Rage as me and a friend were owning ). So I try out 8.97 instead of 12.8 drivers, checked, and ULPS was already disabled. Fallout NV gives White screen after 2 min of gameplay (on a downclocked (100mhz each), slightly more voltage). Temps were at 70-80 on 70% fan (ironically the same as when the fan was at auto 60% or so). Clocks not underclocking or bugging out during those 2 min. So now I am completely stumped, I have tried everything I have researched, since the first crash had NO CPU/RAM OC. I cant buy a new card for a few weeks (even then only like a 7770 or hopefully a NVidia after the experience with AMD drivers for almost a year), and the 4650 is so slow and noisy that I cant bear it. .;- I can use the desktop, browse the net, all good. NO crashes. What has happened? Has the card died? (BTW, newest VBIOS, ironically the one it came with).