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I recently installed Ubuntu 12.10 on my new Lenovo G780. I followed these instructions to install the drivers for my graphics card. When I reboot I can log in, but nothing happens after. I switched to a virtual terminal and ran dmesg. I got this:

[ 202.106458] compiz[2028]: segfault at 30 ip 00007fb16b0b7576 sp 00007ffffa1d27f0 error 4 in libgrid.so[7fb16b0a5000+27000]

This was the error I got when I installed the drivers:

DEBUG:Parsing /usr/share/ubuntu-drivers-common/quirks/dell_latitude
DEBUG:Parsing /usr/share/ubuntu-drivers-common/quirks/put_your_quirs

I let the system do a bug report, but I was wondering if anybody has found a fix. Thanks for your time. If there's any other information about the computer you need, let me know.

Landon Brainard
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  • What were your issues with the nvidia-current or nvidia-current-updates drivers provided from the repositories before you installed drivers from the x-swat ppa? – Takkat Apr 05 '13 at 05:51

2 Answers2

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Oke make you ready to download some stuff. first remove that ppa and what you have installed

sudo apt-get remove nvidia-current
sudo apt-add-repository --remove ppa:ubuntu-x-swat/x-updates

And run these command in the following order:

sudo add-apt-repository ppa:xorg-edgers/ppa
sudo apt-get update
sudo apt-get install linux-headers-generic
sudo apt-get install linux-source
sudo apt-get dist-upgrade
sudo apt-get install nvidia-313
sudo reboot

I have used this commands succesfully on a GTX670 and a 315M.

Thomas15v
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  • When I run sudo apt-get update, it sticks at 100% with "Waiting for Headers". – Landon Brainard Apr 07 '13 at 03:35
  • This is an other problem. I suggest you look here http://askubuntu.com/questions/156650/apt-get-update-very-slow-stuck-at-waiting-for-headers . And for acces the settings you can do gnome-control-center. – Thomas15v Apr 07 '13 at 06:40
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I found the answer. My laptop uses Optimus technology, so I needed to install Bumblebee to get the NVIDIA drivers to work correctly.

Landon Brainard
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