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Patching screens EDID information

Quite a long time ago (September 2012), the x11/nvidia-driver port was updated to 304.43, which brought-in some major changes. The most noticeable one from my point of view was the inability to use my two Samsung SyncMaster BX2240 monitors at a resolution better than 800x600 (they have a native resolution of 1920x1080), providing a stunning 1600x600 desktop experience. With no time to dig-in this at that time, I reverted to the previous nvidia-driver and planned to have a look at it later.

I finally took the time to search for a solution. I post it here for two reasons: a) I might need this information at some point in the future and am more likely to find it that way and b) I might not be the only one here which faced this situation.

The first step was to modify my Xorg configuration to be a bit more verbose about the process of choosing a screen resolution when X starts to see if something was different with both drivers. This can be achieved by editing the Monitor section:

Section "Monitor"
    ...
    Option "ModeDebug" "TRUE"
EndSection

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