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I've installed AMD graphic drivers and rebooted my system. Now when i'm logging in my screen turns off or shows a lot of noise in different colors, but i cant see anything. That means i cant use my Xubuntu insalled on HDD. I've live USB Stick, how to revert installation using Live USB? Or maybe nay other possibilities?

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  1. Boot your computer.

  2. After it is started, swicth to TTY1 by pressing Ctrl+Alt+F1

  3. Log in using your normal username and password.

  4. run this command to remove the drivers sudo apt-get purge "fglrx.*" "fglrx-amdcccle.*"

  5. run sudo rm /etc/X11/xorg.conf to delete the x.org configuration file.

  6. run sudo apt-get install --reinstall xserver-xorg-core libgl1-mesa-glx:i386 libgl1-mesa-dri:i386 libgl1-mesa-glx:amd64 libgl1-mesa-dri:amd64 to re-install x.org.

  7. run sudo dpkg-reconfigure xserver-xorg to reconfigure x.org.

  8. run sudo reboot to reboot.

You can do this from your Xubuntu computer, but you will need to type all these commands in. A lot of this I copy pasted from here: How do I remove the proprietary ATI drivers?

I don't use AMD drivers personally.

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  • Whichever Command in Passing IT says for lock file var/lib/dpkg/lock only for read lock wont be used,couldnt write to /var/cache /apt Oct 20, 2014 at 17:11
  • Make sure you are using sudo when typing in these commands. Oct 20, 2014 at 17:28
  • it automatically makes me a root Oct 20, 2014 at 17:30
  • If you're root then apt-get shouldn't give you that error unless there's something that is already using apt or dpkg. Oct 20, 2014 at 17:34
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    @Rmano I changed the regular expression to the one that was given in the older AU question I linked to. Oct 20, 2014 at 17:45

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