You SEEM to have ? Please clarify ? [ What were you doing ?]
If it's a windows box, then we'll talk you through how to uninstall the Graphics card drivers, then reinstall.
As it appears to be the problem ............
Just remember :
Learning is supposed to hurt
But next time : If in doubt : DON'T
so now I'm in my SIXTIES FFS
WTAF, how did that happen, so no more alterations to the sig, it will remain as is now
Beware of Geeks bearing GIF's
come and waste the day :P at The Taz Zone