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I have read lots of reports of this issue but haven't found a solution yet. I have a Sony Vaio notebook running Ubuntu 12.04 LTS in 64-bits. It has an Intel I5 processor and Intel graphics controller.

It is connected to a Samsung 23" LCD display through an IOGear KVM and the laptop also uses a Sony docking station. Connecting the display directly to the display does not change the behaviour.

Two other computers, one a second Sony laptop using a docking station, the other a Lenovo desktop, both running variants of Windows, are also connected to the display via the same KVM. With both I have full resolution.

As I indicated, I have read lots of reports on this issue, have tried the various suggested solutions, but still have 1024x763 resolution where I should have 1920x1080.

I should also point out that I have done a full update on the OS.

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