I have LINUX Mint 18.3 KDE 64-bit, with Linux 4.10.0-38-generic. Unfortunately after some installing of python packages and update && upgrade, when I am restarting my systems stops after grub on black screen and nothing happens. I am able to enter in recovery mode and tryed to make update && upgrade once again but did not help. Could somebody suggest how I can find the problem and how to solve it?

Result of command lspci | grep -i --color 'vga\|3d\|2d' :

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  • Have you tried to remove those packages? Did you install them to the system Python install? Modifying the main systemwide Python isn't the best idea. Better to use venv.
    – nagamani
    Mar 4, 2018 at 23:54
  • I don't know what exactly was changed in core python, and how could I check the integrity of required python packages?
    – serj
    Mar 5, 2018 at 2:50

2 Answers 2


In the history file, /var/log/apt/history.log, I have found that liblightdm-gobject-1-0:amd64 (1.18.3-0ubuntu1.1) was deleted by apt-get autoremove. After reinstalling, all started to work well. Thanks everybody for suggestions and special thanks you for guru from my job that helped me to find this issue.


I had a similar issue running MATE where mdm and the mate-desktop were somehow uninstalled. The solution in short if this happens is to run these commands:

sudo apt-get install mate-desktop-environment mdm


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