Re: dual screen problem with GTX280M
My monitor has both dvi and rgb in. If I use dvi->rgb it doesn't detect my monitor at all and after a couple of seconds the monitor goes into power saving mode. But dvi->dvi it works perfectly. Just for reference, I run dual monitors off the M980NU. One is dvi->dvi and the other hdmi->hdmi. At one point I did connect dvi->hdmi but had a strange problem where the desktop was 1920x1080 but didn't fit the screen. But there was a 1:1 pixel mapping option in the monitors menus that sorted it.
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BENQ XL2410T 24" 3D Monitor