Why won't my computer go to sleep automatically?

Posted by Django Reinhardt on Super User See other posts from Super User or by Django Reinhardt
Published on 2013-01-12T07:01:57Z Indexed on 2013/10/27 9:59 UTC
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Windows 8 is set to sleep after 30 mins, and it used to work, but recently it's started refusing to sleep. (I can still manually ask it to go to sleep without any issue.)

Put the computer to sleep: 30 minutes

I was having issues a while ago, but it was with my network adapter. That's since been disabled, so it's definitely not that:

enter image description here

I've checked to see what devices are able to wake up my machine, but it only appears to be my mouse:

Powercfg -devicequery wake_armed

Which is odd, because I haven't recently changed my mouse, and more confusing still: The monitor does go to sleep just fine. If it was actually the mouse keeping my system awake, I'm pretty sure the monitor wouldn't go to sleep.

I've checked my Wake Timers, and nothing:

enter image description here

I've also checked my existing requests...

UPDATE: I found something. What to do with it, I don't know...

enter image description here

Note: Even when /requests says that there's "NONE" under every category, my machine still won't sleep(!).

enter image description here

In short: How can I tell what's preventing my computer from Sleeping?


UPDATE: Ok, so I now have a few more pieces of the puzzle. I came back to my computer and it was ASLEEP! Lawks! It seems that the only times it doesn't sleep is if VLC Player is open, even if a video isn't actually playing.

UPDATE UPDATE: Ok, so it won't sleep sometimes when VLC Player ISN'T running, either. Bah!

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