vid_resetonswitch
Enable (This is a workaround for the bug in some NVidia drivers, when you alt-tab out of
Disable.
ezQuake and the screen gets garbaged. When enabled, the client will reset your Windows video mode every time you press alt-tab. Note that some NVidia drivers lock up your system completely when you alt-tab. vid_resetonswitch will not help in this case (try starting ezQuake with -dibonly).