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I have Lenovo Y570 with Ubuntu 15.10 installed on it. Whenever I close the lid and then open it, I see the log-in screen, and if I type in my password, I find that all my programs from last session are closed and it's like a fresh new session. But if I choose to suspend the laptop manually, this problem doesn't happen - it suspends and resumes normally.

I am using Unity shell (the one that comes with stock Ubuntu) and I don't think I've installed anything additional that could interfere with this process.

I have reconfigured the power settings to not to do anything when the lid is closed, but this still happens.

Oh and BTW, here goes the logs of what happens around opening and closing of the lid:

print-screen-1 print-screen-2

And here goes the output of lspci:

$ lspci -k | grep -EA2 'VGA|3D'
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
    Subsystem: Lenovo Device 3981
    Kernel driver in use: i915
--
01:00.0 VGA compatible controller: NVIDIA Corporation GF108M [GeForce GT 555M] (rev a1)
    Subsystem: Lenovo Device 3981
    Kernel driver in use: nouveau
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    Your system is set up to poweroff on lid close. Check System Settings -> Power options.
    – Pilot6
    Jan 3, 2016 at 14:53
  • @Pilot6 no, it's configured to suspend after closing lid.
    – CrabMan
    Jan 3, 2016 at 14:58
  • Try to go into bios and see what setting on lid close is there.
    – Pilot6
    Jan 3, 2016 at 15:05
  • @Pilot6 I've looked at this laptop's bios many times. It doesn't have any settings for lid, it has almost no settings at all.
    – CrabMan
    Jan 3, 2016 at 15:11
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    Please edit your question and add output of lspci -k | grep -EA2 'VGA|3D' terminal command.
    – Pilot6
    Jan 3, 2016 at 15:12

1 Answer 1

Reset to default
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You need to install Nvidia proprietary drivers.

Run in terminal:

sudo apt-get install nvidia-352 nvidia-prime

and reboot after the driver is installed.

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  • Looks like it worked, thx
    – CrabMan
    Jan 3, 2016 at 15:46

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