This bug was fixed in the package xserver-xorg-video-intel - 2:2.20.9-0ubuntu2.3
--------------- xserver-xorg-video-intel (2:2.20.9-0ubuntu2.3) quantal-proposed; urgency=low * Add fix-possible-clones-computation.patch: Backport from 2.20.10 to fix clone mode on haswell laptops. (LP: #1202524) -- Robert Hooker <sarv...@ubuntu.com> Thu, 01 Aug 2013 09:24:13 -0400 ** Changed in: xserver-xorg-video-intel (Ubuntu Quantal) Status: Fix Committed => Fix Released -- You received this bug notification because you are a member of Ubuntu-X, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1202524 Title: [lts] Switch VGA mode will become black screen To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1202524/+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