This might be something crashed, or it might just be the screen failing to turn back on.
First please check for crashes using these steps: https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment Next time you experience the black screen please: 1. Wait 10 seconds. 2. Reboot. 3. Run: journalctl -b-1 > prevboot.txt 4. Attach the resulting text file here. ** Summary changed: - Xorg freeze + Black screen when laptop lid is reopened ** Tags added: nouveau ** Package changed: xorg (Ubuntu) => ubuntu ** Changed in: ubuntu Status: New => Incomplete ** Summary changed: - Black screen when laptop lid is reopened + [Dell XPS 17 9700] Black screen when laptop lid is reopened -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to xorg in Ubuntu. https://bugs.launchpad.net/bugs/1964386 Title: [Dell XPS 17 9700] Black screen when laptop lid is reopened Status in Ubuntu: Incomplete Bug description: Ubuntu 21.10 When I lock my laptop and close it, then open it back, the screen remains black and I have to hard reset it. ProblemType: Bug DistroRelease: Ubuntu 21.10 Package: xorg 1:7.7+22ubuntu2 ProcVersionSignature: Ubuntu 5.13.0-35.40-generic 5.13.19 Uname: Linux 5.13.0-35-generic x86_64 ApportVersion: 2.20.11-0ubuntu71 Architecture: amd64 BootLog: Error: [Errno 13] Permission non accordée: '/var/log/boot.log' CasperMD5CheckResult: unknown CompositorRunning: None CurrentDesktop: ubuntu:GNOME Date: Wed Mar 9 18:50:51 2022 DistUpgraded: 2021-11-02 13:32:25,002 DEBUG icon theme changed, re-reading DistroCodename: impish DistroVariant: ubuntu ExtraDebuggingInterest: Yes, if not too technical GpuHangFrequency: Continuously GpuHangReproducibility: Yes, I can easily reproduce it GpuHangStarted: Within the last week or two GraphicsCard: Intel Corporation CometLake-H GT2 [UHD Graphics] [8086:9bc4] (rev 05) (prog-if 00 [VGA controller]) Subsystem: Dell CometLake-H GT2 [UHD Graphics] [1028:098f] Subsystem: Dell TU117M [GeForce GTX 1650 Ti Mobile] [1028:098f] InstallationDate: Installed on 2021-04-12 (330 days ago) InstallationMedia: Ubuntu 20.04.2.0 LTS "Focal Fossa" - Release amd64 (20210209.1) MachineType: Dell Inc. XPS 17 9700 ProcEnviron: TERM=xterm-256color PATH=(custom, no user) XDG_RUNTIME_DIR=<set> LANG=fr_FR.UTF-8 SHELL=/bin/bash ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.13.0-35-generic root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7 SourcePackage: xorg Symptom: display Title: Xorg freeze UpgradeStatus: Upgraded to impish on 2021-11-02 (127 days ago) dmi.bios.date: 11/18/2021 dmi.bios.release: 1.11 dmi.bios.vendor: Dell Inc. dmi.bios.version: 1.11.1 dmi.board.name: 0PV91W dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 10 dmi.chassis.vendor: Dell Inc. dmi.modalias: dmi:bvnDellInc.:bvr1.11.1:bd11/18/2021:br1.11:svnDellInc.:pnXPS179700:pvr:rvnDellInc.:rn0PV91W:rvrA00:cvnDellInc.:ct10:cvr:sku098F: dmi.product.family: XPS dmi.product.name: XPS 17 9700 dmi.product.sku: 098F dmi.sys.vendor: Dell Inc. version.compiz: compiz N/A version.libdrm2: libdrm2 2.4.107-8ubuntu1 version.libgl1-mesa-dri: libgl1-mesa-dri 21.2.6-0ubuntu0.1 version.libgl1-mesa-glx: libgl1-mesa-glx N/A version.xserver-xorg-core: xserver-xorg-core 2:1.20.13-1ubuntu1.1 version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-2build1 version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.99.917+git20200714-1ubuntu2 version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-1build1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1964386/+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