Hi, Could you test the last openchrome (1:0.6.0-1) from this PPA? https://launchpad.net/~dylan.a/+archive/ubuntu/xxv-openchrome
and give the ouput of: lspci | grep VGA ** Changed in: xserver-xorg-video-openchrome (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-openchrome in Ubuntu. https://bugs.launchpad.net/bugs/1576582 Title: Screen squash Status in xserver-xorg-video-openchrome package in Ubuntu: Incomplete Bug description: It happened two times: - When I plugged in usb modem - After restore from sleep mode I expect no screen bugs, please, check the attached screenshot Ubuntu 16.04 It doesn't happened on previous versions of ubuntu. Dell XPS $ lsb_release -rd Description: Ubuntu 16.04 LTS Release: 16.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-openchrome/+bug/1576582/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp