I forgot to mention that the connection between the graphics card and the monitor has changed from analog to DVI (digital input).
It also occured to me that the originally attaced screenshot looks perfectly normal, when the nvidia-driver is disabled. Find also attached a shot with a digi-cam. ** Attachment added: "screenshot_digicam.png" http://launchpadlibrarian.net/27859562/screenshot_digicam.png -- miscoloured display when using nvidia-driver https://bugs.launchpad.net/bugs/386522 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs