I’ve been working on a pi project (making a small form factor laptop) and I’m having issues shutting down in Ubuntu Mate. When every I choose to shutdown from the menu or from the terminal, it displays a black screen with Ubuntu Mate in white letters but it never shuts down. I have to switch it off manually. It even happens if I choose to log out. When I boot up, I see the splash screen but also it hangs. To get it to boot, I have to type systemctl default. Anyone have an idea what’s going on here, I’d appreciate even a little help.
Hi,
connect to the internet with a cable connection and run the following 2 commands:
sudo apt-get --fix-missing install
The above command downloads and installs any missing packages on your system.
sudo apt-get --fix-broken install
The above command downloads and installs any broken dependencies on your system.
See if that helps!. 
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Thank you, I will try that and post the results.
I tried that. Nothing changed, it’s still doing the same thing.
Hi,
is your software sources download location set to “Main server”?, check out the update guide and see if there is something you can use!:
Sorry I cannot really be of more help as I don’t have a Raspi!. 