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I upgraded to 14.04 and now my laptop can't "sleep" anymore i.e. suspend to RAM doesn't work. How can I figure out what's wrong and fix this?

edit 1

My hardware is a ASUS Zenbook UX32A

edit 2

Well, I don't have a script /etc/acpi/sleep.sh on my machine. I installed smartly and this is what I get:

$ sudo hibernate-ram
hibernate-ram:Warning: Tuxonice binary signature file not found.
s2ram: unknown machine, see s2ram(8) and the USuspendRamForce option
hibernate-ram: Aborting.
$
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    Please tell us more about what you're exactly doing, what hardware you're using, etc.
    – kraxor
    Jun 22, 2014 at 0:17
  • @kraxor please see edit 1 above
    – stdcerr
    Jun 22, 2014 at 0:50

3 Answers 3

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Try to run this script from terminal:

sudo ./etc/acpi/sleep.sh

Also you can try smartly puts your computer to sleep (suspend to RAM or disk)

sudo hibernate-ram
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I would like to add that I was able to solve my suspend to RAM issue by installing smartly (search for "smartly", but it will show up as "hibernate" in the Synaptic Package Manager).

I installed smartly, restarted my machine, and tried to run hibernate-ram and hibernate-disk from the command line, but received the same errors as OP. HOWEVER, trying to suspend to ram via any normal method (closing laptop screen, choosing "suspend" from power menu) seems to work!

  • Ubuntu 17.04 (w/ KDE package)
  • Kernel 4.10.0-35-generic
  • Dell XPS 13 (model 9350)
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Ha, seems like my problem got resolved after a reboot... now, that's odd... oh well... :)

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