Public bug reported:

HP Pavillion desktop 2015 ufei date. Never turned off because boot takes too 
long.
Screens (2) turned off system left on when not in use.
Up to Ubuntu 19 and early versions of 20 both screens came back on.
With latest update HDMI does not restart.
If boot from power off both screens, HDMI and VGA are ok. Turn screens off and 
HDMI will not display.

I note that Windows (horrible) has a switch that allows the HDMI to be
controlled but Ubuntu did it automatically but won't now.

Suspend has always killed the HDMI but there is not much difference in
power consumption between on with suspend and on with screens off.

Hope you can help, booting from full power off takes too long.

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: xorg 1:7.7+19ubuntu14
ProcVersionSignature: Ubuntu 5.8.0-59.66~20.04.1-generic 5.8.18
Uname: Linux 5.8.0-59-generic x86_64
ApportVersion: 2.20.11-0ubuntu27.18
Architecture: amd64
BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
CasperMD5CheckResult: skip
CompositorRunning: None
CurrentDesktop: ubuntu:GNOME
Date: Mon Jul 19 13:09:23 2021
DistUpgraded: Fresh install
DistroCodename: focal
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
 Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx 
Integrated Graphics Controller [8086:22b1] (rev 35) (prog-if 00 [VGA 
controller])
   Subsystem: Hewlett-Packard Company Atom/Celeron/Pentium Processor 
x5-E8000/J3xxx/N3xxx Integrated Graphics Controller [103c:821d]
InstallationDate: Installed on 2020-11-05 (255 days ago)
InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
MachineType: HP 510-a112a
ProcEnviron:
 LANGUAGE=en_AU:en
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=en_AU.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-59-generic 
root=UUID=45ef6758-d850-46bc-b01b-ff1d33b61a32 ro quiet splash vt.handoff=7
SourcePackage: xorg
Symptom: display
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 01/17/2018
dmi.bios.release: 5.11
dmi.bios.vendor: AMI
dmi.bios.version: F.33
dmi.board.asset.tag: CNV7380P8W
dmi.board.name: 821D
dmi.board.vendor: HP
dmi.board.version: 00
dmi.chassis.asset.tag: CNV7380P8W
dmi.chassis.type: 3
dmi.chassis.vendor: HP
dmi.modalias: 
dmi:bvnAMI:bvrF.33:bd01/17/2018:br5.11:svnHP:pn510-a112a:pvr:rvnHP:rn821D:rvr00:cvnHP:ct3:cvr:
dmi.product.family: 103C_53316J G=D
dmi.product.name: 510-a112a
dmi.product.sku: W2S68AA#ABG
dmi.sys.vendor: HP
version.compiz: compiz N/A
version.libdrm2: libdrm2 2.4.102-1ubuntu1~20.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 20.2.6-0ubuntu0.20.04.1
version.libgl1-mesa-glx: libgl1-mesa-glx N/A
version.xserver-xorg-core: xserver-xorg-core 2:1.20.9-2ubuntu1.2~20.04.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20200226-1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

** Affects: xorg (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal ubuntu

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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1936769

Title:
  HDMI not working properly

Status in xorg package in Ubuntu:
  New

Bug description:
  HP Pavillion desktop 2015 ufei date. Never turned off because boot takes too 
long.
  Screens (2) turned off system left on when not in use.
  Up to Ubuntu 19 and early versions of 20 both screens came back on.
  With latest update HDMI does not restart.
  If boot from power off both screens, HDMI and VGA are ok. Turn screens off 
and HDMI will not display.

  I note that Windows (horrible) has a switch that allows the HDMI to be
  controlled but Ubuntu did it automatically but won't now.

  Suspend has always killed the HDMI but there is not much difference in
  power consumption between on with suspend and on with screens off.

  Hope you can help, booting from full power off takes too long.

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: xorg 1:7.7+19ubuntu14
  ProcVersionSignature: Ubuntu 5.8.0-59.66~20.04.1-generic 5.8.18
  Uname: Linux 5.8.0-59-generic x86_64
  ApportVersion: 2.20.11-0ubuntu27.18
  Architecture: amd64
  BootLog: Error: [Errno 13] Permission denied: '/var/log/boot.log'
  CasperMD5CheckResult: skip
  CompositorRunning: None
  CurrentDesktop: ubuntu:GNOME
  Date: Mon Jul 19 13:09:23 2021
  DistUpgraded: Fresh install
  DistroCodename: focal
  DistroVariant: ubuntu
  ExtraDebuggingInterest: Yes, if not too technical
  GraphicsCard:
   Intel Corporation Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx 
Integrated Graphics Controller [8086:22b1] (rev 35) (prog-if 00 [VGA 
controller])
     Subsystem: Hewlett-Packard Company Atom/Celeron/Pentium Processor 
x5-E8000/J3xxx/N3xxx Integrated Graphics Controller [103c:821d]
  InstallationDate: Installed on 2020-11-05 (255 days ago)
  InstallationMedia: Ubuntu 20.04.1 LTS "Focal Fossa" - Release amd64 (20200731)
  MachineType: HP 510-a112a
  ProcEnviron:
   LANGUAGE=en_AU:en
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=en_AU.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.8.0-59-generic 
root=UUID=45ef6758-d850-46bc-b01b-ff1d33b61a32 ro quiet splash vt.handoff=7
  SourcePackage: xorg
  Symptom: display
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 01/17/2018
  dmi.bios.release: 5.11
  dmi.bios.vendor: AMI
  dmi.bios.version: F.33
  dmi.board.asset.tag: CNV7380P8W
  dmi.board.name: 821D
  dmi.board.vendor: HP
  dmi.board.version: 00
  dmi.chassis.asset.tag: CNV7380P8W
  dmi.chassis.type: 3
  dmi.chassis.vendor: HP
  dmi.modalias: 
dmi:bvnAMI:bvrF.33:bd01/17/2018:br5.11:svnHP:pn510-a112a:pvr:rvnHP:rn821D:rvr00:cvnHP:ct3:cvr:
  dmi.product.family: 103C_53316J G=D
  dmi.product.name: 510-a112a
  dmi.product.sku: W2S68AA#ABG
  dmi.sys.vendor: HP
  version.compiz: compiz N/A
  version.libdrm2: libdrm2 2.4.102-1ubuntu1~20.04.1
  version.libgl1-mesa-dri: libgl1-mesa-dri 20.2.6-0ubuntu0.20.04.1
  version.libgl1-mesa-glx: libgl1-mesa-glx N/A
  version.xserver-xorg-core: xserver-xorg-core 2:1.20.9-2ubuntu1.2~20.04.2
  version.xserver-xorg-input-evdev: xserver-xorg-input-evdev N/A
  version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:19.1.0-1
  version.xserver-xorg-video-intel: xserver-xorg-video-intel 
2:2.99.917+git20200226-1
  version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.16-1

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