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After I lock the computer (super + L) the computer sometimes freezes. The screen is black (backlight on), no tty is accessible. I'm forced to force-reboot.

I've tried several kernels with no success.

Hardware: Dell Latitude E5450 VGA: Intel Corporation Broadwell-U Integrated Graphics

Current Kernel: 4.4.25-040425-generic

  • 1
    Also, generally after the forced reboot when I log it only a empty screen appears (the wallpaper), no app dock / panel and I have to enter into tty and restart lightdm – aleperno Jan 17 '17 at 16:11
  • I have the same happen to me sometimes. It usually happens to me when I've closed the lid of my laptop (it suspends). I can also access a terminal by pressing Alt+Ctrl+F1. I would check the ElementaryOS launchpad issue queue: bugs.launchpad.net/elementaryos – Peter Uithoven Feb 10 '17 at 16:07
  • Did you try to login as a visitor or an other profile? – btd1337 Jul 22 '17 at 4:41
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I had the same problem on my HP Probook G4 laptop. It is issue of 16.10 kernel. Just turn off in Bios your ATI or Nvidia videocard. Graphical system will work on CPU. On 17.04 kernel hybrid graphical system works fine, you just need some time to wait for updates.

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