Why? I never catch this error spam before.

If this is not mere unsupported monitor resolution or refresh rate, it can be not enough power for the graphics card.RastaManGames wrote:Also why Zandronum and DoomRL can cause freeze of OC?
I mean monitor blackout, where can help only hard reset of PC.
Where i can find "vertical synchronization setting" for Zandronum or DoomRL?_mental_ wrote:If this is not mere unsupported monitor resolution or refresh rate, it can be not enough power for the graphics card.RastaManGames wrote:Also why Zandronum and DoomRL can cause freeze of OC?
I mean monitor blackout, where can help only hard reset of PC.
Similar problems were reported before. Check vertical synchronization setting. If it's off this is probably the same case. Turn it on then.
In menu Options -> Display Options -> Vertical SyncRastaManGames wrote:Where i can find "vertical synchronization setting" for Zandronum or DoomRL?