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Before 16.04 I had been using bumblebee but after upgrading ubuntu, nvidia drivers have broken again so I decided to use nvidia-prime instead. However it doesn't want to work, too. I get a black screen after bootup animation. It doesn't work even on a clean ubuntu installation. I tried it with both nvidia-361 and nvidia-340. I have disabled secure boot.

I get this error in Xorg.0.log:

[    22.545] (EE) open /dev/fb0: Permission denied
[    22.679] (EE) Failed to initialize GLX extension (Compatible NVIDIA X driver not found)

I saw some suggestions that I should make X run as root but I don't know if this is safe and won't break things later.

Dan Sufho
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  • Does this work: http://askubuntu.com/questions/760934/graphics-issues-after-installing-ubuntu-16-04-with-nvidia-graphics – TheWanderer May 01 '16 at 13:28

1 Answers1

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Following the instructions here is working for me:

Graphics issues after/while installing Ubuntu 16.04/16.10 with NVIDIA graphics

I needed to install nvidia-364 from ubuntu-graphics ppa, I had also reinstalled Xorg before, so that also might be needed to do after an upgrade.

Community
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Dan Sufho
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