I am running Ubuntu MATE 19.04 on a Lenovo Thinkpad T470, without any
dedicated graphics of any kind.  I have the same issue.  Upon closing
the laptop, the screen turns off, but the machine is not suspended.
When I re-open the screen it is black, but still on.  Moving the mouse,
using the keyboard doesn't do anything to fix the problem.  Changing the
virtual terminal Ctrl + Alt + F1, then back again Ctrl + Alt + F7 starts
the screen again, the lock screen is displayed.

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https://bugs.launchpad.net/bugs/1688716

Title:
  screen turns black after reopening lid (laptop)

Status in Ubuntu MATE:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed

Bug description:
  When I close the laptop lid, the laptop hibernates/(suspends?). When I
  reopen the lid, the fans starts again but the screen is completely
  black.

  I'm running Ubuntu MATE 16.04.2 LTS (installed yesterday) on a ASUS TP301U.
  --- 
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  vilhelm    1852 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=78779645-e369-460f-92fa-fdef01ab1941
  InstallationDate: Installed on 2017-05-12 (112 days ago)
  InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 
(20170215.2)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 8087:0a2a Intel Corp. 
   Bus 001 Device 002: ID 04f2:b568 Chicony Electronics Co., Ltd 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ASUSTeK COMPUTER INC. TP301UJ
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-33-generic.efi.signed 
root=UUID=200c5644-817b-4c85-a997-011c9c0cfe6e ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.10.0-33.37~16.04.1-generic 4.10.17
  RelatedPackageVersions:
   linux-restricted-modules-4.10.0-33-generic N/A
   linux-backports-modules-4.10.0-33-generic  N/A
   linux-firmware                             1.157.11
  Tags:  xenial
  Uname: Linux 4.10.0-33-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 06/01/2016
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: TP301UJ.300
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: TP301UJ
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: ATN12345678901234567
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrTP301UJ.300:bd06/01/2016:svnASUSTeKCOMPUTERINC.:pnTP301UJ:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnTP301UJ:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: TP301UJ
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.
  --- 
  ApportVersion: 2.20.1-0ubuntu2.10
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  vilhelm    1852 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=78779645-e369-460f-92fa-fdef01ab1941
  InstallationDate: Installed on 2017-05-12 (112 days ago)
  InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 
(20170215.2)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 8087:0a2a Intel Corp. 
   Bus 001 Device 002: ID 04f2:b568 Chicony Electronics Co., Ltd 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: ASUSTeK COMPUTER INC. TP301UJ
  NonfreeKernelModules: nvidia_uvm nvidia_drm nvidia_modeset nvidia
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.10.0-33-generic.efi.signed 
root=UUID=200c5644-817b-4c85-a997-011c9c0cfe6e ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.10.0-33.37~16.04.1-generic 4.10.17
  RelatedPackageVersions:
   linux-restricted-modules-4.10.0-33-generic N/A
   linux-backports-modules-4.10.0-33-generic  N/A
   linux-firmware                             1.157.11
  Tags:  xenial
  Uname: Linux 4.10.0-33-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 06/01/2016
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: TP301UJ.300
  dmi.board.asset.tag: ATN12345678901234567
  dmi.board.name: TP301UJ
  dmi.board.vendor: ASUSTeK COMPUTER INC.
  dmi.board.version: 1.0
  dmi.chassis.asset.tag: ATN12345678901234567
  dmi.chassis.type: 10
  dmi.chassis.vendor: ASUSTeK COMPUTER INC.
  dmi.chassis.version: 1.0
  dmi.modalias: 
dmi:bvnAmericanMegatrendsInc.:bvrTP301UJ.300:bd06/01/2016:svnASUSTeKCOMPUTERINC.:pnTP301UJ:pvr1.0:rvnASUSTeKCOMPUTERINC.:rnTP301UJ:rvr1.0:cvnASUSTeKCOMPUTERINC.:ct10:cvr1.0:
  dmi.product.name: TP301UJ
  dmi.product.version: 1.0
  dmi.sys.vendor: ASUSTeK COMPUTER INC.

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