[ubuntu] invert monitor - 12.04.1 LTS - Xorg Problem - NVIDIA Quadro NVS 450

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http://ubuntuforums.org – Hi all, I have a workstation connected to four monitors via the NVIDIA Quadro NVS 450 running "NVIDIA accelerated graphics driver (post-release updates ) (version current-updates)". One of the monitors should be rotated by 180° (inverted). In Ubuntu 11.10 Oneric Ocelot I used the NVIDIA X Server settings to generate a Xorg.conf template, which I edited to invert one of the monitors by adding the option "Rotate" "inverted" to the screen section of the corresponding monitor. This worked quite well, but after upgrading to 12.04.1 LTS this does not work anymore. A (Hardware)