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Windows are covered in black after trying to update graphics drivers

I am using Ubuntu 16. I attempted to install my graphics drivers from a PPA

I remember I was trying the suggestions here:

http://askubuntu.com/questions/50156...untu-14-04-lts
http://askubuntu.com/questions/69127...n-ubuntu-15-10

My computer was running fine until I put it in suspend mode. After I turned it back on, now whenever I click on things, I get this black box surrounding it, such as here:

http://imgur.com/LlT9Fah

I can't even type things in the terminal because I'll get that black box. If I restart or shut down and turn it back on, I get the same problem

Looking at my `bash_history` file, I see that the possible commands I ran that could've caused this problem were:

Code:

 

  sudo apt-get install libfontconfig1

    sudo apt-get install mesa-common-dev

    sudo apt-get install libglu1-mesa-dev -y

    sudo update-mime-database /usr/share/mime

after switching to a text terminal, I typed

Code:

sudo apt-get install ppa-purge

    sudo ppa-purge ppaibaf/graphics-drivers

but got

Code:

    W: The repository 'http://ppa.launchpad.net/doctormo/wacom-plus/ubuntu xenial Release' does not have a Release file.    

    E: Failed to stat /var/lib/apt/lists/partial/cran.rstudio.com_bin_linux_ubuntu_xenial_InRelease - pkgAcqTransactionItem::TransactionState-stat (2: no such file or directory)

    apt-get update failed for some reason`

when I go to Software and Updates, I can't uncheck the PPA because the window turns black

And when I type "gksu gedit /etc/apt/sources.list", I get

Code:

Gtk-WARNING **: cannot open display

It looks like this bug has affected others and still hasn't resolved! :

https://bugs.launchpad.net/ubuntu/+s...z/+bug/1292830

Can anyone help?

If you can figure a way around it, e.g. uninstalling & reinstalling from cd, you could write a script and call it from RC.local or similar. Likewise, changing "initdefault" from 5 to ,3, or whatever the appropriate Ubuntu numbers are should get you console mode, which uses keyboard commands with no GUI.

You may not get thing back but I would just uninstall the packages, remove the PPA, reboot, apt update, apt upgrade, reinstall the packages then rebbot and hop for the best.

Quote:

Originally Posted by thraway61 (Post 5680345)

broken links.

Quote:

It looks like this bug has affected others and still hasn't resolved! :

https://bugs.launchpad.net/ubuntu/+s...z/+bug/1292830

does the workaround work?
also these bug reports often have good hints & solutions in the comments.