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I know this is a spread out problem out there. 3 days ago i installed el os (loki) on my computer and i noticed that after suspension, when i had a wake up the screen remained black. no pointer, anything, moreover the screen power button shows me a red light (like there's no signal). I've looked for out there and some of the solutions i found don't work (typing password, ctrl alt f1, f7 or something like that). Any advice?

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  • Are you running TLP? Could be the problem. TLP causes all kinds of wake up issues.
    – Pretzel Jones
    Jul 31 '17 at 14:34
  • Did you find anything? I'm having this on at least 25% of my sleep/wakeup cycles.
    – Benoit Duffez
    Jan 29 '18 at 8:50
  • I hadn't time to fix the problem (and i had some others), so i decided to remove the os and return to windows :)
    – Marco Barletta
    Jan 30 '18 at 10:31
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Upgrading the kernel works for me. I guess it works if having newer cpu is your problem.

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