opengl black screen!! "not bsod"

[ninjademon45]

i have windows 7 ultimatr service pack 1

soo my question, when i render my skulltag to opengl it comes black screen "not bsod or crash" i dont know what is the problem?

please tell me what to do?

[Ænima]

Try opening your Zandronum ini and changing the "refresh rate".

[X360TM]

try use newer driver your video card

[Tiger]

Hopefully this helps.

[ibm5155]

On my case sometimes i got a black screen, but just need to wait 10 or 20 seconds and the screen came back

[ninjademon45]

@ibm
i heared the sound come out from the wad doom2.wad but i waited 20 seconds and i got crash