Public bug reported: I am on Ubuntu 14.04.5 LTS I recently updated my laptop to vmlinuz-4.4.0-37-generic
After rebooting, I lost my external Monitor (Display application does not even detect it ) This is my main monitor and is connected via HDMI. Ive had error messages with Ubuntu an the external screen on Intel "Broadwell-U" but this is the first time it cut me off totally. Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09) VGA compatible controller: Intel Corporation Broadwell-U Integrated Graphics (rev 09) lshw -c video *-display UNCLAIMED description: VGA compatible controller product: Broadwell-U Integrated Graphics vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 09 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list configuration: latency=0 resources: memory:f0000000-f0ffffff memory:e0000000-efffffff ioport:4000(size=64) cat /var/log/Xorg.0.log |grep EE [ 27.266] (EE) No devices detected. [ 27.270] (EE) open /dev/dri/card0: No such file or directory [ 27.270] (EE) open /dev/dri/card0: No such file or directory [ 27.270] (EE) Screen 0 deleted because of no matching config section. [ 27.335] (EE) AIGLX: reverting to software rendering ** Affects: xserver-xorg-video-intel (Ubuntu) Importance: Undecided Status: New -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xserver-xorg-video-intel in Ubuntu. https://bugs.launchpad.net/bugs/1621620 Title: Broadwell-U screen stopped working after 14.04 update Status in xserver-xorg-video-intel package in Ubuntu: New Bug description: I am on Ubuntu 14.04.5 LTS I recently updated my laptop to vmlinuz-4.4.0-37-generic After rebooting, I lost my external Monitor (Display application does not even detect it ) This is my main monitor and is connected via HDMI. Ive had error messages with Ubuntu an the external screen on Intel "Broadwell-U" but this is the first time it cut me off totally. Host bridge: Intel Corporation Broadwell-U Host Bridge -OPI (rev 09) VGA compatible controller: Intel Corporation Broadwell-U Integrated Graphics (rev 09) lshw -c video *-display UNCLAIMED description: VGA compatible controller product: Broadwell-U Integrated Graphics vendor: Intel Corporation physical id: 2 bus info: pci@0000:00:02.0 version: 09 width: 64 bits clock: 33MHz capabilities: msi pm vga_controller bus_master cap_list configuration: latency=0 resources: memory:f0000000-f0ffffff memory:e0000000-efffffff ioport:4000(size=64) cat /var/log/Xorg.0.log |grep EE [ 27.266] (EE) No devices detected. [ 27.270] (EE) open /dev/dri/card0: No such file or directory [ 27.270] (EE) open /dev/dri/card0: No such file or directory [ 27.270] (EE) Screen 0 deleted because of no matching config section. [ 27.335] (EE) AIGLX: reverting to software rendering To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1621620/+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