Same problem for me Modifying anti-aliasing improves with Ubuntu Tweak, but only disappears leaving the session. Reappears random. Lenovo g50-30 GPU Intel 4000 kernel 3.16.0-60-generic
** Attachment added: "Screenshot of missed letters" https://bugs.launchpad.net/xserver-xorg-video-intel/+bug/1432194/+attachment/4566444/+files/Schermata%20del%202016-02-07%2020%3A34%3A19.png -- 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/1432194 Title: Graphics unstable on Ubuntu 14.04 and 14.10 using Intel HD Graphics 5500 To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1432194/+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