Originally posted by: jaredpace
not sure, are you using nvidia control panels advanced menu?
Originally posted by: jaredpace
hrm. There are lots of types of DVI also. i think 4. maybe your display device doesn't accept this particular dvi signal, also... have you tried clone/dualview and other custom methods? maybe the refresh rate. I don't know why it works with a dvi-vga adapter, but not straight dvi. why not just use the adapter?
Originally posted by: jaredpace
So what are the two displays you are running? Which brand card, which driver version?
Possibly one of the displays cannot take the particular type of DVI signal. Your display could be one of these 5 types:
http://en.wikipedia.org/wiki/DVI