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I got a laptop (Dell Precision M4700) with a Quadro K2000M. I have two drives, one for Windows 7 and one for Ubuntu 14.04 LTS.

After a fresh install of Ubuntu 14.04 LTS followed by an upgrade to 14.04.2, and then immediately followed by an installation of CUDA 7, subsequent boots into Ubuntu are unsuccessful: it basically hangs at the purple screen with Ubuntu and the five dots underneath - every time.

I got the latest deb from the Nvidia downloads.

Then I did:

sudo dpkg -i cuda-repo-ubuntu1404_7.0-28_amd64.deb
sudo apt-get update
sudo apt-get install cuda

then reboot and it hangs... every time.

I know there are some folks posting similar issues, but none of these posts have a solution that worked for me.

Does anyone have any ideas?

Fabby
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Galto
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2 Answers2

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it happened exactly the same for me.
as you said Galto, that also helps me, on boot to choose the other generic version then the default, this one i can login with, and then when i restart it again, it works normally.
but i have to do it every time, if i'll restart it again it will get stuck, i will need to do the same generic+restart option for it to work.
sounds ridiculous but it works.

yeinhorn
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Yes, I had the same issue with a Dell Precision M6800 with a Quadro K5100M GPU, running Ubuntu 14.04. I stumbled upon the the double reboot solution that @Galto mentioned by accident, but it seems to work reliably. I first reboot using the original generic kernel, 3.13.0-32-generic (without the CUDA packages installed), and then (without even needing to log in completely) I am able to reboot into the latest kernel (with CUDA installed). If I try boot directly to the latest kernel without the first step, the Ubuntu boot sequence just hangs without reaching the login screen... a "hacky" solution, but workable for now...

A Ziskind
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