Originally Posted by Kon
It sounds to me like the HD1000 is reporting EDID back to your Nvidia and not including 720p.
Have you tried connecting a different display to your Nvidia and cold booting to verify that it is not the projector sending back bad display identification data?
this guy is on the right track, my Sanyo Z2 lcd has an EDID (flashed rom built into the display) that shows a maximum resolution of 1024x768.
nvidia's "new" control panel suite could not enable any custom resolutions, it just wouldnt work, i tired everything.
i found a .reg (registry file) on a nvidia forum that enabled the classic control panel, it wasnt a sperate exe, which was attached to the "display properties" thing in the windows control panel. remember that one? that one supports resolutions that arent specified in the EDID.
it has to do with vista, and their move to FORCE the drivers to ONLY obey the EDID. this was all under windows xp sp2 btw. but it applies to your problem here because those newer drivers are fubared and cant give you the res you want.
so once i got the classic control panel up, i set the resolution i wanted of 1280x720 @60hz, and its been fine ever since.
then fast foward to last week, i treated myself to an 8800gtx for my gaming rig, and installed the newest drivers, tried to set a resolution of 1200x800 16:10 aspect ratio for Elder Scrolls since it performs like crap at the really high resolutions since its really only an xbox360 port but thats a discussion for another day.
so i go into this horrid new nvivda control panel, went to custom timings set the res, NOPE. "error this" "not supported by display" all kinds of incorrect bullsh*t.
so i went to that same forum thread for almost 6 months previous, used the same reg key file, enabled the old panel, and got that 1200x800 res i wanted.
normally i would have used PowerStrip to accomplish this, but it doesnt yet support the 8800.
sorry for the novel, but your basically using a bleeding edge GPU so you can do one of 2 things:
1) wait for powersrip to support the gpu
2) wait until nvidia gets their head out of their ass
3) figure out what was wrong with the drivers or bios settings that was causing the XP instabilities and use the classic control panel.