Ubuntu: Ubuntu 14 go black screen after my video card fail


My video card suddenly fail while i was playing game in Windows. After that the system cannot recognize the video card. When I boot the system with Ubuntu, after passing the Ubuntu logo, it only displays a black screen with a password entering dialog. The system is still reaponing , as I can type in the password but nothing show up after that.

There is a Intel onboard display in my motherboard. I suppose the problem the problem is Ubuntu cannot automatically switch diaplay card driver to onboard display when my video card fails

I have tried sudo apt-get purge nvidia* to uninstall the nvidia driver but it didn't work

Could anyone give me a solution ? thanks a lot


First reconfigure the driver:

sudo dpkg-reconfigure -phigh xserver-xorg  

If it isn't works, then reinstall following:

sudo apt-get --reinstall install linux-headers-generic xserver-xorg-video-all  

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