Public bug reported: Hi,
when i connect an external screen, throught VGA , my laptop (DELL Latitude E6410 ) doesn't detect it. typing xrandr -q in terminal give me : xrandr: Failed to get size of gamma for output default Screen 0: minimum 1280 x 800, current 1280 x 800, maximum 1280 x 800 default connected primary 1280x800+0+0 0mm x 0mm 1280x800 76.00* thanks for your help ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xorg 1:7.7+13ubuntu3 Uname: Linux 4.9.0-040900-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: Mon Apr 24 12:07:49 2017 DistUpgraded: Fresh install DistroCodename: xenial DistroVariant: ubuntu DkmsStatus: i915-4.6.3-4.4.0, 1, 4.4.0-71-generic, x86_64: installed i915-4.6.3-4.4.0, 1, 4.4.0-72-generic, x86_64: installed virtualbox, 5.0.36, 4.4.0-72-generic, x86_64: installed virtualbox, 5.0.36, 4.9.0-040900-generic, x86_64: installed ExtraDebuggingInterest: Yes, including running git bisection searches GraphicsCard: Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller]) Subsystem: Dell Latitude E6410 [1028:040a] InstallationDate: Installed on 2016-06-26 (302 days ago) InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Release amd64 (20160420.1) MachineType: Dell Inc. Latitude E6410 ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.9.0-040900-generic root=/dev/mapper/ubuntu--vg-root ro nomodeset Renderer: Software SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) XorgConf: Section "Device" Identifier "My device" Driver "intel" EndSection dmi.bios.date: 08/10/2010 dmi.bios.vendor: Dell Inc. dmi.bios.version: A05 dmi.board.asset.tag: 111737 dmi.board.name: 0667CC dmi.board.vendor: Dell Inc. dmi.board.version: A03 dmi.chassis.asset.tag: 111737 dmi.chassis.type: 9 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvrA05:bd08/10/2010:svnDellInc.:pnLatitudeE6410:pvr0001:rvnDellInc.:rn0667CC:rvrA03:cvnDellInc.:ct9:cvr: dmi.product.name: Latitude E6410 dmi.product.version: 0001 dmi.sys.vendor: Dell Inc. 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: Mon Apr 24 11:31:32 2017 xserver.configfile: /etc/X11/xorg.conf xserver.errors: No devices detected. open /dev/dri/card0: No such file or directory open /dev/dri/card0: No such file or directory Screen 0 deleted because of no matching config section. AIGLX: reverting to software rendering xserver.logfile: /var/log/Xorg.0.log xserver.outputs: xserver.version: 2:1.18.4-0ubuntu0.2 ** Affects: xorg (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug compiz-0.9 third-party-packages ubuntu xenial -- 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/1685775 Title: Can't use VGA To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1685775/+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