I too face the same issue. As a result the mouse keeps flickering and at times becomes almost invisible due to the very high rate of flickering, affecting the normal use of the system. I feel this is a critical issue. I found a work around here http://askubuntu.com/questions/398903 /unknown-display-besides-laptop-built-in-display-old-question-but-with- no-answer/399485
-- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1278054 Title: [13.10] Ubuntu detects a non-existing screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1278054/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~ubuntu-x-swat Post to : ubuntu-x-swat@lists.launchpad.net Unsubscribe : https://launchpad.net/~ubuntu-x-swat More help : https://help.launchpad.net/ListHelp
