[ubuntu] Catalyst control center wont remember settings

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http://ubuntuforums.org – Hello, im using ubuntu with the XFCE desktop. I have dual monitors running off a radeon 6750 card. After each restart, the monitors are set to mirrored mode, and i have to manually start the catalyst control center and set them to an extended desktop display. What can i do to make sure that it rembers the setting after a shutdown? (Hardware)