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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@Rmano Is there possibility to log on my HDD Xubuntu from Live USB Stick? – Michał Staniewski Oct 20 '14 at 16:41
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You can boot in console only mode probably even without the USB disk --- follow http://askubuntu.com/questions/162075/my-computer-boots-to-a-black-screen-what-options-do-i-have-to-fix-it booting with options `nomodeset single`, or boot into recovery mode: http://askubuntu.com/questions/150367/how-do-i-boot-into-recovery-mode – Rmano Oct 20 '14 at 16:45
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What if i've got rEFInd boot loader? – Michał Staniewski Oct 20 '14 at 16:51
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Boot your computer.
After it is started, swicth to TTY1 by pressing Ctrl+Alt+F1
Log in using your normal username and password.
run this command to remove the drivers
sudo apt-get purge "fglrx.*" "fglrx-amdcccle.*"run
sudo rm /etc/X11/xorg.confto delete the x.org configuration file.run
sudo apt-get install --reinstall xserver-xorg-core libgl1-mesa-glx:i386 libgl1-mesa-dri:i386 libgl1-mesa-glx:amd64 libgl1-mesa-dri:amd64to re-install x.org.run
sudo dpkg-reconfigure xserver-xorgto reconfigure x.org.run
sudo rebootto 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.
Paul Tanzini
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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 – Michał Staniewski Oct 20 '14 at 17:11
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If you're root then `apt-get` shouldn't give you that error unless there's something that is already using apt or dpkg. – Paul Tanzini Oct 20 '14 at 17:34
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WARNING. `sudo apt-get purge fglrx*` is **wrong**. You should use `sudo apt-get purge "^fglrx.*"`, it's a regular expression... see http://askubuntu.com/questions/210976/apt-get-remove-with-wildcard-removed-way-more-than-expected-why – Rmano Oct 20 '14 at 17:35
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Found out that i had to mount all devices manually, that was a problem :) Thank you for help – Michał Staniewski Oct 20 '14 at 17:44
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1@Rmano I changed the regular expression to the one that was given in the older AU question I linked to. – Paul Tanzini Oct 20 '14 at 17:45