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I'm running Ubuntu 14.04.1 LTS. After installing nvidia-331 driver, my machine continues to go to the low-graphics mode troubleshooting. The weird thing is that if I choose a recovery mode on boot and just select "resume", the system goes to the normal login screen successfully. After then, the problem continues if I didn't choose the recovery mode on boot.

Well.. I installed the latest propriety driver from nvidia (340.24 version), and that driver solved this issue but I cannot use that version because some parts of UI randomly flicks: https://bugs.launchpad.net/compiz/+bug/1288747

Since the system boots correctly on recovery mode, it looks like there is a solution. But I just don't know how...

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try with installing the accelerated Nvidia graphics driver: sudo apt-get install xserver-xorg-video-nouveau –  Dumindu Mahawela Jul 27 '14 at 4:29

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