Comment 1 for bug 680925

Thank you so much for reporting this issue and helping to make Ubuntu better for all of our users. This specific issue has been discussed on the Ubuntu community forums and a workaround has been proposed by one of the users. Please see the following thread for a workaround to this issue.

http://ubuntuforums.org/showpost.php?p=9180298&postcount=7

If this does not help please review the thread further as other users reported needing to modify the chmod statement a bit with their specific laptop: http://ubuntuforums.org/showthread.php?t=1444822&page=3