> Follow-up:
>
> Only the Valve/Steam games using the Source rendering engine cause the black
> screen in E@H. Older non-Source games don't cause the problem.
>
> So it's either E@H/BOINC isn't resetting the video settings on startup or
> Valve/Steam isn't restoring them on exit.
>
> So far it's only E@H exhibiting the problem -- I can't test with S@H because
> their servers are down and I don't have a WU to test against anymore.
>
> I'll file bugs on both Valve's and nVidia with version numbers for reference.
For what it's worth, the graphics in Einstein@Home is done using the 'FreeGLUT' OpenGL library. If you have the patience, you might post a question on their message boards and ask if there is any known problem with GLUT and GLUTInit() on your graphics hardware.
Bruce

No graphics w/nVidia latest drivers
)
> Bug also filed at FreeGLUT: 1145636
Thank you very much. Please post a message here if you get a reply from them.
Cheers,
Bruce