Here I've found a solution: http://ubuntuforums.org/showthread.php?t=285266&page=2
"/usr/bin/displayconfig", line 431 sould be changed to this : self.availabletargetgammas = [unicode(('1.4')),unicode(('1.6')),unicode(('1.8')),unicode(('2.0')),unicode(('2.2')),unicode(('2.4'))]
Here I've found a solution: ubuntuforums. org/showthread. php?t=285266& page=2
http://
"/usr/bin/ displayconfig" , line 431 sould be changed to this : argetgammas = [unicode( ('1.4') ),unicode( ('1.6') ),unicode( ('1.8') ),unicode( ('2.0') ),unicode( ('2.2') ),unicode( ('2.4') )]
self.availablet