Cant revert back to radeon driver

Asked by Alexandros Prekates

In 14.04 i easily installed fglrx driver for my gpu.
But after , trying to return back to radeon driver i couldnt.

After i installed fglrx in utility 'Additional drivers' , all options (xserver-xorg-video-ati, fglrx-updates, and fglrx) are greyed out and can't be selected! And now there is a new option selected, "Continue using a manually installed driver."

After reboot i had low resolution and if i recall the lspci -v output fglrx_pci was in use. (I had removed-purged all fglrx packages i was aware off)

I managed to solve the issue but making 1-2 changes in /etc/modprobe.d . I found somewhere that radeon was banned!.
I think in fglrx-core.conf

I hesitate to test that changes again to keep my system stable.

ps: The reason i did that 'move to fglrx ann back' was to test if a steam game would play better with fglrx. .But fglrx broke another of my steam games! so i wanted to go back. So that use case is not rare i think and should be look at it.

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Alexandros Prekates (aprekates) said :
#1
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actionparsnip (andrew-woodhead666) said :
#2

What is the output of:

sudo apt-get update ; sudo apt-get -f install

Thanks

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Alexandros Prekates (aprekates) said :
#3
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actionparsnip (andrew-woodhead666) said :
#4

OK, now ru:

sudo apt-get upgrade

What is the output?

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Alexandros Prekates (aprekates) said :
#5

$ LANG=en sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
  linux-headers-3.13.0-32 linux-headers-3.13.0-32-generic
  linux-image-3.13.0-32-generic linux-image-extra-3.13.0-32-generic
Use 'apt-get autoremove' to remove them.
The following packages will be upgraded:
  apt apt-transport-https apt-utils gir1.2-gudev-1.0 isc-dhcp-client
  isc-dhcp-common libapt-inst1.5 libapt-pkg4.12 libgudev-1.0-0
  libnautilus-extension1a libpam-systemd libqt4-dbus libqt4-declarative
  libqt4-designer libqt4-help libqt4-network libqt4-opengl libqt4-qt3support
  libqt4-script libqt4-scripttools libqt4-sql libqt4-sql-sqlite libqt4-svg
  libqt4-test libqt4-xml libqt4-xmlpatterns libqt5core5a libqt5dbus5
  libqt5gui5 libqt5network5 libqt5opengl5 libqt5printsupport5 libqt5sql5
  libqt5sql5-sqlite libqt5test5 libqt5widgets5 libqt5xml5 libqtcore4
  libqtdbus4 libqtgui4 libreoffice-help-el libreoffice-help-en-us
  libreoffice-l10n-el libssl1.0.0 libssl1.0.0:i386 libsystemd-daemon0
  libsystemd-journal0 libsystemd-login0 libudev1 libudev1:i386
  libunity-core-6.0-9 nautilus nautilus-data numix-icon-theme openssl qdbus
  qtcore4-l10n systemd-services t1utils udev unity unity-services
62 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
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Launchpad Janitor (janitor) said :
#6

This question was expired because it remained in the 'Open' state without activity for the last 15 days.