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Old 10-17-09, 03:14 PM   #4
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Join Date: Mar 2005
Posts: 2,487
Default Re: Twinview, external monitor out of sync on MacBook Pro 5,3

Yeah, it depends on the DisplayPort sink device. E.g. it might work with one monitor or adapter and not another. If you have a passive DP-to-single-link-DVI adapter, then it'll show up to the driver as a DVI device and not a DP device.

Please try 190.40. If the driver reports that it's rejecting your monitor's native resolution due to DisplayPort bandwidth constraints, then it's running into the problem I'm thinking of that's resolved in 195.*. If it still shows the same corruption, then it's a different problem and I'll have to look into it.
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