How do I reinstall the default (non-proprietary) display drivers?
Solution 1
To properly revert the graphic drivers to the out of the box state do the following commands in a terminal.
sudo apt-get remove --purge xorg-driver-fglrx fglrx*
sudo apt-get remove --purge fglrx*
sudo apt-get install build-essential cdbs fakeroot dh-make debhelper debconf libstdc++6 dkms libqtgui4 wget execstack libelfg0 dh-modaliases
sudo apt-get install --reinstall libgl1-mesa-glx libgl1-mesa-dri
sudo mv /etc/X11/xorg.conf /etc/X11/xorg.conf.old
sudo dpkg-reconfigure xserver-xorg
Now reboot your system and everything will be fine.
Solution 2
You would simply uninstall the display driver you have installed. Open jockey-gtk
aka "Additional drivers", click on the activated driver and click remove (lower right corner). This should revert the settings to your former ones.
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Olivier Pons
Remote Software Engineer. Website development + Native Mobile (Unity / C#) Languages / skills (order of daily use): Python / Django JavaScript JavaScript / jQuery HTML C# Php Old loves: C - Pascal - C++ Strong skills: vim and ssh for remote development Professional websites: Django / Python (v3): www.cogofly.com Blog: https://olivierpons.fr/ (800 visits/day) Wordpress Very complex multilanguage admin plugin: www.krystallopolis.com My own Php high performance framework (v3): My latest - full rewrite - (v3): www.papdevis.fr v2: http://pretassur.fr http://groupe-synergies.fr v1: http://www.acarat.fr/ Personal websites: http://labyz.fr/ http://wipwip.com/ http://wogwog.com/ http://doonoo.com/
Updated on September 18, 2022Comments
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Olivier Pons almost 2 years
I, I've installed Ubuntu 11.10 on my dual screen PC and everything worked flawlessly.
Then they asked me about proprietary drivers: ATI.
I said "ok install them".
Now it doesn't work on my dual screen anymore, I've got only one "duplicated" screen.
So, my question is: how to re-install the original video driver?
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Mark over 9 yearsSaved me from reinstalling!