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After installing libopencv-dev from the Ubuntu repository, I get a blank screen with cursor after logging into a session (after restarting the computer). I think there were some Nvidia-related packages installed. I don't know if it has anything to do with it. I'm using Ubuntu 13.10 with Intel HD 4000 graphics.

EDIT: Ok the problem was a libopencv-dev bug that installs Nvidia packages on non Nvidia graphics machines, causing the blank screen problem. To fix this:

sudo apt-get purge nvidia-319*

How to solve this ?

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    Welcome to Ask Ubuntu. If I may make a suggestion. Copy your solution as an answer and accept it as the solution. It might very well be that someone else has your very same problem and would thus see that this question solved and how to go about it. – MadMike Nov 27 '13 at 6:20
  • Duplicate question was answered here: askubuntu.com/questions/401384/error-ubuntu-13-10-blackscreen/… – Adam Jan 20 '14 at 4:33
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Ok the problem was a libopencv-dev bug that installs Nvidia packages on non Nvidia graphics machines, causing the blank screen problem. To fix this:

sudo apt-get purge nvidia-319*

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