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After setting up a fresh Ubuntu 14.04 on a Lenovo W540 I sometimes experience standby problems.

About 50% of the time standby works fine. I close the lid or click standby on the menu and it goes to sleep and wakes up correctly.

Sometimes though, the monitors blank, the fan goes up and it just stays that way. I found no way to revive it short of switching it off and back on.

I guess it has something to do with an application I'm running, but I couldn't figure out which one.

Is there a way to find out what went wrong with a standby?

I disabled the NVidia graphics in grub and only use the internal one.

When I ran Ubuntu 13.10 with kind of the same setup for a couple weeks on that machine I didn't experience these problems.

Thanks for any ideas!

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  • I have the same model computer, using the same video driver and have the same problem. The limited number of indicator lights gives me very little feedback. The system is running but I can not figure out how to resolve this problem. – Matt Bruzek May 1 '14 at 1:06
  • I did re-enable the NVidia card by removing the grub options "i915.modeset=1 nouveau.modeset=0". I also disabled "Lock after standby"- I read somewhere that this causes problems for some when waking up the machine. Since then standby works without problems. After a few more days I will take back one of these changes to see what exactly was the problem. – Torsten May 2 '14 at 18:44
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After I removed the grub options "i915.modeset=1 nouveau.modeset=0" standby worked again. Also with reenabling locking after standby it continued to work.

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