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LockDown32Flag for United States of America

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Windows 10 V2004 - Can't disable hibernation

This is a weird one. I have a computer that continues to hibernate after 30 minutes no matter what I do. It is Windows 10 professional X64. I have disabled hibernation in the GUI and done it by registry but after 30 minutes it will go into hibernation. I am sure it is hibernation because I worked with the lady one day. She says once it does this it is virtually impossible to get the computer to power up again. I had her hold the power button in for 10 seconds then try turning it on again and it came right back up so I am sure it is in a state of hibernation. Hiberfil.sys was initially present and I was able to delete it and it has not come back. That makes it even stranger. I even went as far as deleting all her scheduled tasks up. Any ideas?
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Tom Cieslik
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Dr. Klahn

Since hiberfil no longer exists, this sounds more like a power-saving problem than actual hibernation.  Try disabling all power saving options and see how things go.

Also go into Device Manager and specifically disable power saving options for the network device.  (right-click on device -> Properties -> Power Management).  These can sometimes be problematic when coming back online.

Also note:  Look in the BIOS setup options.  Some BIOSes will force devices into a state that looks like hibernation (e.g., "Turn off drives after 5/10/15/30/60 minutes."  This isn't possible with a real BIOS, but the world is going toward "secure" (ho ho) management engines that run underneath the level of Windows.
I disable hibernate by setting everything in Control Panel>Power Options not to hibernate and then running this in an elevated (Run as admin) command prompt:

powercfg.exe /hibernate off

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However, as you've noted, if hiberfil.sys does not exist, it can't be hibernating. My first thought is that maybe it's sleeping, which can look a lot like hibernating to the untrained eye. Check all the settings in Control Panel>Power Options for "Sleep" in the drop-downs...if you find any, change them to "Do nothing". Regards, Joe
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I did the powercfg /hibernate off. It will run all day but 30 min after she goes to lunch or 30 min after she goes home it will hibernate so I don't think it is a overheating. Did not think to look in the event logs. Will tomorrow.

All power saving options have been disabled with the exception if turning off the monitor in 20 min. I will even disable that. Not really worried about issues coming on. Need to focus on why it is shutting down. No settings in the BIOS have changed but will look next time I see her. I have checked her computer of any "security" software and there isn't any.

> 30 min after she goes to lunch or 30 min after she goes home

Does it happen only in those two cases or anytime that the system is idle for 30 mins?
30 minutes is a very suspicious number.

There was a case ... two weeks ago, I think it was, in which the antivirus was putting the system into sleep mode.  Check all antivirus settings to eliminate that as a possibility.
I agree with the above. These 30 minutes have been set somewhere. Check Power Options and scheduled tasks.
Visually there were no tasks scheduled and both sleep and hibernation were disabled. I finally found an article via Google that gave registry entries to disable both and the registry entries seemed to work.
> I finally found an article via Google that gave registry entries to disable both and the registry entries seemed to work.

Great news! Thanks for letting us know. Please provide a link to the article so we can put this fix in our bag of tricks. Thanks, Joe