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I installed 11.04 a few days ago and the first few boots unity loaded as expected. But now its just booting into GDM.

I did get one popup about it not being supported on my machine (After the it had booted fine 2 or 3 times!) but i dismissed it without reading it.

I've looked at How can I activate Unity? but nothing shows up in my additional drivers except for a wireless chip

the dropdown at login has ubuntu, ubuntu classic and ubuntu classic safe mode i think

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Bruce Aldridge
  • 173

1 Answers1

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Remove any Drivers that may be causing the issue:

  sudo apt-get --purge remove nvidia-* if you have nvidia graphics, 
  sudo apt-get remove fglrx if you have amd/ati graphics

to get any of them back:

If your system architecture is 64bit (x86_64), you need the ia32-libs package as well.

  sudo apt-get install ia32-libs

then for both 32 and 64bit:

  sudo add-apt-repository ppa:ubuntu-x-swat/x-updates
  sudo apt-get update
  sudo apt-get install nvidia-current nvidia-settings

and for ATI

  wget http://www2.ati.com/drivers/linux/ati-driver-installer-11-4-x86.x86_64.run

Once dowloaded right-click the .run file and set it to run as executable.

  sudo apt-get remove --purge xserver-xorg-video-radeon

that will remove the opensource radeonHD driver.

Now this is only if it's a 64bit system:

  cd/path_of_the_file       

  sh ati-driver-installer-11-3-x86.x86_64.run --buildpkg Ubuntu/natty

  sudo dpkg -i fglrx*.deb

  sudo aticonfig --initial -f

For the 32bit system just run the ati installer.

Uri Herrera
  • 15,318