https://bugs.freedesktop.org/show_bug.cgi?id=43858
--- Comment #7 from Valter valter.giovannetti@alice.it 2012-01-11 06:40:25 PST --- In fact, the monitor is connected with both cables, both VGA and DVI. Select the input of the monitor depending on the OS I use (DVI or VGA with WindowsXP with Ubuntu). Of course the intention is to only use the DVI output and disconnect the VGA cable for ever! If I can make it work!