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I had a workaround for this in 20.04, press and hold Win+L so it types
letters into the input field as you lock the computer. This kept the
screen from going black, and I could manually dim the laptop screen
(fn+brightness) and walk away. In 22.04 the screen now fades to black
immediately when I press Win+L, even though I can see the first few
characters being entered on the input field as the screen fades to
black.
Black screen (as in fade to black for inactivity) seems to be
irreversible on this computer, no amount of mouse-wiggling, 3 finger
salute (ctrl-alt-delete), or usb dongle removal and reattachment will
cause the display to wake up. In 20.04 I could get around this on
computer lock by continuing to press Win+L until the input box had lots
of input. That seemed to stop the screen from dimming in 20.04. Not
working in 22.04.
The only way I have found out of this is to do a hard power down (7+
seconds pressing power button). For obvious reasons I prefer not to do
this often.
ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: xorg 1:7.7+23ubuntu2
ProcVersionSignature: Ubuntu 5.15.0-46.49-generic 5.15.39
Uname: Linux 5.15.0-46-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.1
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: unknown
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon Aug 15 22:03:08 2022
DistUpgraded: 2022-08-15 15:36:20,169 DEBUG Running PostInstallScript:
'/usr/lib/ubuntu-advantage/upgrade_lts_contract.py'
DistroCodename: jammy
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation UHD Graphics 620 [8086:5917] (rev 07) (prog-if 00 [VGA
controller])
Subsystem: Acer Incorporated [ALI] UHD Graphics 620 [1025:121a]
InstallationDate: Installed on 2022-03-14 (154 days ago)
InstallationMedia: Ubuntu 20.04.4 LTS "Focal Fossa" - Release amd64 (20220223)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0408:a030 Quanta Computer, Inc. HD WebCam
Bus 001 Device 003: ID 04ca:3015 Lite-On Technology Corp. Qualcomm Atheros
QCA9377 Bluetooth
Bus 001 Device 002: ID 046d:c52b Logitech, Inc. Unifying Receiver
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Acer Aspire E5-576
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-5.15.0-46-generic
root=/dev/mapper/vgubuntu-root ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: Upgraded to jammy on 2022-08-15 (0 days ago)
dmi.bios.date: 10/24/2017
dmi.bios.release: 0.0
dmi.bios.vendor: Insyde Corp.
dmi.bios.version: V1.32
dmi.board.asset.tag: Type2 - Board Asset Tag
dmi.board.name: Ironman_SK
dmi.board.vendor: KBL
dmi.board.version: V1.32
dmi.chassis.type: 10
dmi.chassis.vendor: Chassis Manufacturer
dmi.chassis.version: Chassis Version
dmi.ec.firmware.release: 1.10
dmi.modalias:
dmi:bvnInsydeCorp.:bvrV1.32:bd10/24/2017:br0.0:efr1.10:svnAcer:pnAspireE5-576:pvrV1.32:rvnKBL:rnIronman_SK:rvrV1.32:cvnChassisManufacturer:ct10:cvrChassisVersion:sku0000000000000000:
dmi.product.family: Aspire E 15
dmi.product.name: Aspire E5-576
dmi.product.sku: 0000000000000000
dmi.product.version: V1.32
dmi.sys.vendor: Acer
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.110-1ubuntu1
version.libgl1-mesa-dri: libgl1-mesa-dri 22.0.5-0ubuntu0.1
version.libgl1-mesa-glx: libgl1-mesa-glx 22.0.5-0ubuntu0.1
version.xserver-xorg-core: xserver-xorg-core 2:21.1.3-2ubuntu2.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-2ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20210115-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.17-2build1
** Affects: xorg (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug jammy ubuntu wayland-session
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When locking computer with Win+L, screen goes black permanently
https://bugs.launchpad.net/bugs/1986606
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