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My operating system is Ubuntu 17.10. When I shut down my laptop, it takes about half an hour or more to turn off. What's the problem? With Ubuntu 17.04 this was not the case.
You could switch to a terminal with CTRL+ATL+F1, login and then type shutdown -h now. The messages there should give you more hints. Feel free to post them in the post, so we can investigate further.
sudo poweroff
and see if it goes down in a timely manner...CTRL+ATL+F1
, login and then typeshutdown -h now
. The messages there should give you more hints. Feel free to post them in the post, so we can investigate further.