Last night I attempted to get a second monitor running off my Radeon 8500. I attached this monitor to the ????? plug (whatever it's called. I think it's for flat panel displays) via the supplied adapter.
When I started up the machine all went well. I watched the XP bootup on both monitors, however, when it got to Windows the second monitor went black. The orange light, on.
I went to Display Properties/Setting. In there I right clicked on the greyed out second monitor and selected Activate. When I clicked on Apply, my primary monitor switch off for a second and then came back on. The second monitor did not react at all and the Display Properties/Settings had the Second monitor greyed out again.
I then tried to activate it again and then selected the checkbox 'Expand my desktop to both monitors' and clicked Apply. Same again. Primary monitor blacks out for a second and the secondary monitor does nothing.
The bits...
17' Sony Trinitron E220
15' Sony Trinitron SF16
Radeon 8500
Athlon 1600+
Windows XP Professional
etc
etc
Yep, I have the same problem. The second monitor only displays an image during boot up. But in windows, nothing I have tried has got anything to appear on it.
Don't quote me, but I though MS removed dual monitor support from XP, meaning even if your video card can do it, the OS doesn't give a crap. Contact ATI on the issue, maybe there's a driver in the works.
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