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I own a Lenovo Y50 running Ubuntu 15.04 64-bit and sometimes when Ii shut the screen the login screen is displayed after I open it back up again, but it is unresponsive and I can't do anything from the touchpad or keyboard.

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  • You are having difficulty with the "Power Management" subsystem. Look at dpkg -L pm-utils, and /var/log/pm*. Search this site for "Power Management"
    – waltinator
    Aug 11, 2015 at 1:58
  • im not too familiar with the terminal, what do i have to do to fix this problem?
    – Alex Torres
    Aug 12, 2015 at 19:29
  • Before we can supply a solution, we need to determine what the problem is. Almost all of my approaches to linux problem solving involve using the terminal to diagnose. Use "Applications Menu->Utilities->System Log", click the gear in the upper right corner, select "Open" to view /var/log/pm*. Have you typed "Power management" and/or "Lenovo Y50" into the search box for AskUbuntu?
    – waltinator
    Aug 12, 2015 at 21:49
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    "i am willing to devote enough time to get this problem fixed", really? OK. When your computer is NOT frozen, and you are logged in, graphically, look at the very top of your screen. at the left edge (on MY system, YMMV) for "Applications". Left click and hold. Explore in that menu structure as described above to find a system log reader. Have you followed any of my other suggestions? If not, please do.
    – waltinator
    Aug 15, 2015 at 20:27
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    Try the other corners. System settings is of no use until we determine what is happening.
    – waltinator
    Aug 16, 2015 at 19:12

1 Answer 1

Reset to default
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It's the noveau graphics driver, switch to the nvidia drivers and everything will be fine. I have a y50 myself and have been facing this issue for a while. To easily switch to the nvidia drivers, press the win key, type "drivers", enter, make sure you're on the additional drivers tab, then check nvidia binary driver and apply the changes. Then boom, resume/suspend works. You can now close your laptop without worrying about freezing.

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  • "It's the noveau graphics driver" 100% correct. I had the same issues with 15.10. Dump that driver fixed all my crashes and not booting and screen locking up when closing the lid.
    – Rinzwind
    Oct 26, 2015 at 7:55

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