Problem with my external monitor

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http://forums.fedoraforum.org – Hi there, I am trying to connect my external monitor with my laptop and to use it as the only output. If I disable the laptop display, activate the external monitor and set it as the primary output, everything seems to work fine. Yet the desktop displayed by KDE seems to be twice the length of the physical monitor. That means that e. g. only the left half of the task bar is visible on the monitor and that new windows are likely to be opened on the right half of the desktop that is not visible to me. I attached a screenshot showing the monitor settings and the right bottom of my physical (HowTos)