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I recently reinstalled windows 10 on my laptop. it's well and all, but whenever I put my pc to 'Sleep' mode, it sometimes goes to sleep (ON (state) LED blinking), but there are such cases that the display is black/off, the fans aren't spinning, there is no activity but the led is on, thus the pc is on too, not in sleep. the temporary solution is to force shutdown and reboot my pc, but that's bad. type your suggestions and thanks

EDIT: here are some pictures https://i.stack.imgur.com/coJ26.jpg

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  • It's driver's issues. You should update your hardware's drivers.
    – Arani
    Jun 11, 2016 at 9:42
  • Sounds like your machine is not sleeping but hibernating sometimes. Are you sure you don't have another setting that is set to hibernate as well?
    – Dale
    Jun 11, 2016 at 10:13
  • @Tom before i reinstalled my pc, (it had the same os, win10 x64) the sleep worked but the drivers didn't (the gpu ones)
    – darijan2002
    Jun 11, 2016 at 15:37
  • @Dale no the pc is not in hibernate mode because in hibernate it should completely shut down but here the led is on, thus the pc is still on this issue happens sometimes on shutdowns too
    – darijan2002
    Jun 11, 2016 at 15:39
  • Tell how do you enter the sleep mode. It succeeds in mine installation if I click the use the Start menu > Power > Sleep or press the power button associated with Sleep. Although, PC power button makes a lighter sleep. I cannot wake up by kbd/mouse but sleep in the Start menu makes me hybernate actually. Interestinly that after the power button sleep, PC wakes up and hybernates. But, in neither sleeps nor hibernates on timeout. So, please, tell, which event are you using to enter the problematic sleep.
    – Little Alien
    Jul 10, 2016 at 15:14

3 Answers 3

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Usually, sleep and hibernate issues are caused by bad chipset and video drivers.

Try updating video and chipset drivers from the manufacturer website. Also, check the BIOS section to see if there is a new version of the one your computer currently uses. Sometimes, the version of BIOS have a changelog. Check it before upgrading to know if it will correct the mentioned issue.

Warning: Upgrading the BIOS is a delicate procedure that can render your pc unusable. Only do it if you know how to do it.

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  • the video drivers are fine for chipset drivers, i have intel chipset and intel management engine interface and for bios i have A07 and the latest is A08 (dell insyde h2o bios)
    – darijan2002
    Jun 11, 2016 at 16:12
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    it seems the chipset driver fixed it, thanks for the answer :D
    – darijan2002
    Jun 11, 2016 at 16:30
  • You welcome :) Cheers
    – Edel Gerardo
    Jun 13, 2016 at 22:40
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powercfg -requests helped to figure out that it was VIA HD Audio in my case. Disabling this device solved the problem.

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Try going into the power option page and 'choose what the power buttons do' and be sure not to choose hibernate on any of the options.
You may find it useful to turn all options off and only choose sleep for the 'when you close the lid' option.

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