Public bug reported: First of all, I am not sure whether this is a bug or not, but I tried several times to set addmode (1920x1080) in xrandr. Never happened.
So, I simply tried creating a new mode using 10-monitor.conf and restarted my system, it started showing blank screen. I checked askubuntu forum and purged nvidia-*, after that it starting showing me display but in 800x600 resolution. I tried adding 1920x1090 again but no luck. The error while adding mode is `xrandr: Failed to get size of gamma for output default` and I am not using `sudo xrandr`, I am simply using this command `xrandr --addmode default 1920x1080` Kindly suggest the resolution. Thanks ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: unity 7.4.0+16.04.20160906-0ubuntu1 ProcVersionSignature: Ubuntu 4.4.0-78.99-generic 4.4.62 Uname: Linux 4.4.0-78-generic x86_64 .tmp.unity_support_test.1: ApportVersion: 2.20.1-0ubuntu2.5 Architecture: amd64 CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins' CompositorRunning: compiz CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0' CompositorUnredirectFSW: true CurrentDesktop: Unity Date: Fri May 19 15:19:11 2017 DistUpgraded: Fresh install DistroCodename: xenial DistroVariant: ubuntu DkmsStatus: bbswitch, 0.8, 4.4.0-71-generic, x86_64: installed bbswitch, 0.8, 4.4.0-72-generic, x86_64: installed bbswitch, 0.8, 4.4.0-75-generic, x86_64: installed bbswitch, 0.8, 4.4.0-78-generic, x86_64: installed GraphicsCard: NVIDIA Corporation Device [10de:1c03] (rev a1) (prog-if 00 [VGA controller]) Subsystem: ASUSTeK Computer Inc. Device [1043:85a4] GsettingsChanges: b'org.compiz.core' b'active-plugins' b"['core', 'composite', 'opengl', 'snap', 'vpswitch', 'regex', 'grid', 'wall', 'compiztoolbox', 'place', 'mousepoll', 'move', 'copytex', 'workarounds', 'resize', 'imgpng', 'fade', 'session', 'expo', 'unitymtgrabhandles', 'scale', 'ezoom', 'unityshell']" b'com.canonical.Unity' b'minimize-count' b'69' b'com.ubuntu.user-interface' b'scale-factor' b"{'DVI-D-0': 8, 'default': 8}" b'org.gnome.desktop.interface' b'gtk-im-module' b"'gtk-im-context-simple'" b'org.gnome.desktop.interface' b'scaling-factor' b'uint32 1' InstallationDate: Installed on 2017-03-15 (64 days ago) InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719) MachineType: MSI MS-7885 ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-78-generic root=UUID=3c1d60af-0459-4480-90af-3c95413c402a ro plymouth:debug drm.debug=0xe Renderer: Software SourcePackage: unity UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 07/15/2016 dmi.bios.vendor: American Megatrends Inc. dmi.bios.version: 1.D0 dmi.board.asset.tag: Default string dmi.board.name: X99A SLI PLUS(MS-7885) dmi.board.vendor: MSI dmi.board.version: 1.0 dmi.chassis.asset.tag: Default string dmi.chassis.type: 3 dmi.chassis.vendor: MSI dmi.chassis.version: 1.0 dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr1.D0:bd07/15/2016:svnMSI:pnMS-7885:pvr1.0:rvnMSI:rnX99ASLIPLUS(MS-7885):rvr1.0:cvnMSI:ct3:cvr1.0: dmi.product.name: MS-7885 dmi.product.version: 1.0 dmi.sys.vendor: MSI version.compiz: compiz 1:0.9.12.2+16.04.20160823-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.70-1~ubuntu16.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 12.0.6-0ubuntu0.16.04.1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 12.0.6-0ubuntu0.16.04.1 version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-0ubuntu0.2 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2 version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1.2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2 xserver.bootTime: Fri May 19 15:08:17 2017 xserver.configfile: default xserver.devices: input Power Button KEYBOARD, id 6 input Power Button KEYBOARD, id 7 input Logitech USB Keyboard KEYBOARD, id 8 input Logitech USB Keyboard KEYBOARD, id 9 input Logitech USB Optical Mouse MOUSE, id 10 xserver.logfile: /var/log/Xorg.0.log xserver.outputs: xserver.version: 2:1.18.4-0ubuntu0.2 ** Affects: unity (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug compiz-0.9 possible-manual-nvidia-install third-party-packages ubuntu xenial -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1691987 Title: system automatically switched to lower resolution of 800x600 from 1920x1080 and only showing display in this (800x600) resolution after purging nvidia graphics To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1691987/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs