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Today I've upgraded the system and the problem is that it appears and 640*480 screen with the login and the background, after logging in, the screen got stuck.

I have an NVIDIA card, GT610 to be precise, and I have CUDA installed, this is necessary because I'm learning to develop on this. So I followed the CUDA Ubuntu 14.04 Official Instructions. Which are to install a deb package, and then do sudo apt-get install cuda. This installs nvidia-340 and cuda-6.5

Everything was fine until the upgrade, what can I do to fix this?

PS1: I've been looking for answers(reinstall ubuntu-desktop, reinstall unity), and no one seems to fix the problem.

PS2: I have a PC Intel Core i7-3770 .40 GHz, 4 GB RAM, NVIDIA GT610.

EDIT 1: There was another update today, I tried it, I repeated the uninstall-install and nothing happened

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    I did notice that you installed the cuda & nvidia-340 packages, did you install those via the xorg-edgers PPA? If you haven't, try adding the sort-edgers PPA via sudo add-apt-repository ppa:xorg-edgers/ppa then running sudo apt-get update && sudo apt-get install nvidia-340. This should allow you to install the newest version of the nvidia-340 drivers. Normally, this is a last resort measure, but you appear to have tried everything else Feb 1, 2015 at 2:36
  • @RPiAwesomeness the packages are from the nvidia package (.deb) that they ask you to install here link. I've read that the xorg-edgers caused some "pain" in some configs from other people in other posts, so that's why I haven't tried that option. Feb 1, 2015 at 3:36
  • Yeah, they can cause problems. However, if you're not getting the .deb directly from NVIDIA to work, then the only option you're really left with is the Xorg-Edgers PPA option :( Feb 1, 2015 at 13:42

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When you say upgrade, can I assume you mean Ubuntu updates (including kernel)?

Then try ..

Purge installed Nvidia driver:

sudo apt-get purge nvidia*

Then check which Nvidia drivers are available:

sudo apt-cache search "NVIDIA binary driver"

And re-install: eg. 340 (your previous choice)

sudo apt-get install nvidia-340
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  • Yes, you are correct, I meant updates including kernel :). I'll try this and I will tell you if it works or not. Feb 1, 2015 at 0:23

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