Download ur latest video drivers, that should couse the openGL not to work ... and install the latest version of DirectX too... both help.MagmaFlameX said:by the way... i tried using open gl on my half life but it says my video card dooes not support that mode, however i recently reformatted my computer (deleted everything on it and restarted) and all the times i played half life before that, i could use open gl. is there anything i can do to get my open gl back (if thats gunna fix this problem) or is there a bug the team forgot to fix?