powercfg /sleepstudy
This will tell you what program woke up Windows. This thread has some more info.
this post was submitted on 22 Nov 2023
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Windows is so helpful. /s I ran the powercfg thing, it shows when it woke up, but it says “reason: unknown”
Is this a laptop or desktop? Have you checked Event Viewer to see if any events were generated just before/after the computer woke up?
Desktop. One thing I found was that while the “active” state has no reason, the “sleep” state has “exit reason” which is AMD usb controller. I’ll flip the mouse upside down when I put the pc to sleep from now on. Maybe the mouse is moving a nm or something
Windows 10 no longer automatically shuts down completely. It goes into a sleep state which lets it wake up for updates. This also lets the computer power on faster.
If you hold down the left shift key while you click shut down from the start menu, it will do a full power off and will not wake up automatically.
Try enabling the hibernate button, it'll let you resume semi-quickly without a mysteriously overheating laptop in its pouch the next morning. Don't ask.
Bios scheduled power on setting. Great for situations where you want them to turn on Sunday evening before work so they can pull updates/install scheduled software and run whatever scans corporate demands during non work hours.
Everything is disabled in BIOS
Ran into this issue as well. you should provide the motherboard part number in case others had the exact same issue. With mine, there was a setting in my asrock board's BIOS that stated turn on for social media or something like that. I don't quite recall what was the intended function for that setting, but after about 3-4 years of that happening, that's what fix the issue for me.
Everything is disabled in BIOS that would potentially wake it up. Gigabyte B550 x v2 gaming.
Dude, Halloween was last month.
I know, I’m scared