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I have a problem with Ubuntu. I can't log in within LightDM, because when I enter password, Unity starts loading and then it returns right to login screen, and the desktop won't start.

Note: I use home folder for that user from previous installation

Edit: I chowned .Xauthority and still nothing When I try startx, there are some noveau messages (HUB0, GPC0 and hex numbers) Edit2: guest session works and newly created user also works

david8
  • 276

2 Answers2

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This seems to be a GPU related problem.

Install the current stable NVIDIA driver : 

sudo apt-get install nvidia-current
sudo reboot

If this driver doesn't work, replace the driver.

Install the latest current stable NVIDIA driver
from the NVIDIA short-lived branch (355.11) : 

sudo add-apt-repository ppa:graphics-drivers/ppa
sudo apt-get update
sudo apt-get install nvidia-355
sudo reboot
cl-netbox
  • 31,491
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I did chown <user> * -R, deleted .Xauthority and .ICEauthority in my home folder and it was pretty much solved

david8
  • 276