This solution works for me:
System Settings->Advanced->Service Manager and turning off "Detecting RANDR (monitor) changes"
On KDE4 it's in the settings window. I turn it off the service and the screen see correctly. http://ubuntuforums.org/showthread.php?p=6221986
This solution works for me:
System Settings- >Advanced- >Service Manager and turning off "Detecting RANDR (monitor) changes"
On KDE4 it's in the settings window. ubuntuforums. org/showthread. php?p=6221986
I turn it off the service and the screen see correctly.
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