Public bug reported: the built-in screen does not work properly (since 8 months, after an update of 16.04LTS). The interesting message is:
The following packages have unmet dependencies: xserver-xorg-video-intel : Depends: xorg-video-abi-20 Depends: xserver-xorg-core (>= 2:1.17.99.902) E: Unable to correct problems, you have held broken packages. LAPTOP IDEAPAD 15IBD external monitor works fine. ProblemType: Bug DistroRelease: Ubuntu 16.04 Package: xorg 1:7.7+13ubuntu3.1 ProcVersionSignature: Ubuntu 4.15.0-32.35~16.04.1-generic 4.15.18 Uname: Linux 4.15.0-32-generic x86_64 .tmp.unity_support_test.0: ApportVersion: 2.20.1-0ubuntu2.18 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 Date: Fri Aug 17 17:41:02 2018 DistUpgraded: Fresh install DistroCodename: xenial DistroVariant: ubuntu ExtraDebuggingInterest: Yes, if not too technical GraphicsCard: Intel Corporation Broadwell-U Integrated Graphics [8086:1616] (rev 09) (prog-if 00 [VGA controller]) Subsystem: Lenovo Broadwell-U Integrated Graphics [17aa:382a] InstallationDate: Installed on 2018-08-15 (2 days ago) InstallationMedia: Ubuntu 16.04.4 LTS "Xenial Xerus" - Release amd64 (20180228) MachineType: LENOVO INVALID ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.15.0-32-generic root=UUID=4b7dd599-0b13-489a-9717-7b9cf1555ea0 ro quiet splash vt.handoff=7 SourcePackage: xorg UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 06/30/2015 dmi.bios.vendor: LENOVO dmi.bios.version: E0CN11WW dmi.board.asset.tag: NO Asset Tag dmi.board.name: VIUU4 dmi.board.vendor: LENOVO dmi.board.version: NO DPK dmi.chassis.asset.tag: NO Asset Tag dmi.chassis.type: 10 dmi.chassis.vendor: LENOVO dmi.chassis.version: INVALID dmi.modalias: dmi:bvnLENOVO:bvrE0CN11WW:bd06/30/2015:svnLENOVO:pnINVALID:pvrINVALID:rvnLENOVO:rnVIUU4:rvrNODPK:cvnLENOVO:ct10:cvrINVALID: dmi.product.family: IDEAPAD dmi.product.name: INVALID dmi.product.version: INVALID dmi.sys.vendor: LENOVO version.compiz: compiz 1:0.9.12.3+16.04.20180221-0ubuntu1 version.ia32-libs: ia32-libs N/A version.libdrm2: libdrm2 2.4.91-2~16.04.1 version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.5-0ubuntu0~16.04.1 version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.5-0ubuntu0~16.04.1 version.xserver-xorg-core: xserver-xorg-core N/A version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati N/A version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A xserver.bootTime: Fri Aug 17 16:08:28 2018 xserver.configfile: default xserver.errors: /dev/dri/card0: failed to set DRM interface version 1.4: Permission denied /dev/dri/card0: failed to set DRM interface version 1.4: Permission denied xserver.logfile: /var/log/Xorg.0.log xserver.version: 2:1.19.6-1ubuntu4~16.04.1 xserver.video_driver: modeset ** Affects: xorg (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug compiz-0.9 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/1787613 Title: after fresh install again broken dependencies To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1787613/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs