please try the patch on your machine, then upload output from xrandr --verbose , thanks
22247_debug.patch (text/plain), 2.84 KB, created by MaLing on 2009-06-15 03:24:12 UTC
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Creator: MaLing
Created: 2009-06-15 03:24:12 UTC
Size: 2.84 KB
Actions: View
Attachments on bug 22247: 26806 | 26811 | 28362

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