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I installed Ubuntu 14.04.1 on Dell 7537. My laptop has nvidia 750M graphic card.
The problem is that OS the freezes sometimes without any reason.

I installed nvidia-current but nothing changes, the OS freezes and touchpad/keyboard don't work, the only thing I can do is power off the PC.

How can I solve? Where can I find some logs?

marked as duplicate by Eric Carvalho, Zanna, Kevin Bowen, David Foerster, waltinator Feb 8 '17 at 13:53

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  • @karel I'm not interested on what to do when it freezes. I want to find the reason why it freezes, and then solve it. Thanks anyway – cloutz Jan 18 '15 at 12:30
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Have you tried to switch to a VT (Ctrl+Alt+F1) and back (Ctrl+Alt+F7)?

Recently, I installed Ubuntu 14.04.1 with proprietary NVidia 340.29 drivers on the same laptop and have experienced the same issue. A VT switch helped me. Also it looks like it is a known bug

  • I tried switching to the nouveau drivers and it stopeed freezing, but now I have some crashes. Hope they will solve the bug. – cloutz Jan 18 '15 at 12:36

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