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I had been using Ubuntu Classic with 11.04 for sometime. I tried switching to Unity and found that it doesnt use the full LCD. Theres a "black border" or unused portion of my LCD although the resolution remains at 1920x1080

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up vote 2 down vote accepted

Ah! I solved the problem by installing the latest driver by ATI/AMD.

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Oh but it keeps crashing ... – Jiew Meng Aug 29 '11 at 12:53

I recommend opening up the monitors app. You should be able to adapt the monitor settings there.

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I see nothing useful there ... resolution is at 1920x1080 but Ubuntu is not using the full screen... – Jiew Meng Aug 28 '11 at 0:58
jiewmeng can you post a screenshot or provide details of your hardware - it may be helpful to find a solution. – Mark Rooney Aug 28 '11 at 1:32

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