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When I shutdown via terminal or by clicking the button, it just shows a hyphen on the top left corner is stuck there forever. I manually have to interrupt with the key and shut it down.

Using Dell XPS 15 9560

  • same laptop same problem here. I am using dell xps 9560. after i install ubuntu-drivers-common, i can shutdown laptop properly but i found another issue that if you switch to Intel gpu i get boot error: timed out forcewake... – Donwey Aug 18 '17 at 9:23
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    Possible duplicate of Loki takes long time to shut down – Peter Uithoven Feb 14 '18 at 12:17
  • @vivek-patani, could you try the solution indicated in the answer Peter Uithoven linked to and let us know if that applies to your problem? Otherwise, this question would need more details to troubleshoot the actual issue, in which case a bug report would probably be a better place to carry on that process. – waldyrious Feb 14 '18 at 13:37
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I have the same laptop the problem is with Nvidia driver.

you need to install "additional drivers"

sudo apt update 
sudo apt install ubuntu-drivers-common

Or you can open AppCenter and install "additional drivers" from there.

I'm not sure that the package is called exactly that but you can look it up for the exact name

after everything is installed open additional drivers app and select Nvidia 381 driver

that should fix your issues

  • So figure out / verify the right nvidea driver, you can use the NVIDIA Driver Downloads page: nvidia.com/Download/index.aspx – Peter Uithoven Jan 15 '18 at 13:45
  • ha? i've already figured it out – Mike Rodov Jan 16 '18 at 7:30
  • I was just trying to add more information, for people who might have slightly other hardware. And I remember how confusing those driver numbers where to me. (The "So" was a typo, should have been "To") – Peter Uithoven Jan 16 '18 at 9:19
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I answered a similar question here. It could be a service is getting hung and can't shutdown properly. This fix adjusts the timeout for hung services.

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