Why is my laptop shutting down in sleep mode after some time? How do I STOP IT FROM HAPPENING WHILE PLUGGED IN?

my laptop seems to shutdown after being in sleep mode too long. Looked for power bios settings and windows settings that effect power and sleep
So far no luck in either. There was a USB power share but I see that as provide power to USB ports.
So dumb the the way this was set up by Microsoft
LVL 2
Robert SilverSr. Software EngineerAsked:
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Robert SilverSr. Software EngineerAuthor Commented:
WINDOWS 10
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Joe Winograd, Fellow&MVEDeveloperCommented:
Hi Robert,
Try these steps in W10:

Right-click Start button
Power Options

You'll see this:

W10 power options
Set the "When plugged in" options to whatever you want. Regards, Joe
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mbkitmgrCommented:
It helps to tell us what Operating System and the laptop brand model.
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arnoldCommented:
To joe's and others,
A laptop in slieep still drains the battery however slowly.
Commonly, a laptop has two operating modes as Joe kindly illustrated. One when the system on AC power, the other when it is on battery.

Using the power management of Windows, or the power management provided by the laptop vendor.
Often, the default settings is to have a balanced and the difference between the ac powered and the battery.

Setting the parameters in Joe's illustration should resolve your issue.
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JohnBusiness Consultant (Owner)Commented:
Laptops can sleep overnight if working properly and not shut down.

Make sure Hibernation is disabled. That is probably what it happening.

FWIW (and does not apply here). I set my X1 to Never suspend and Hibernation is OFF.

I can unplug, watch the screen go dark, go to bed, and next morning it still has 40% charge. Almost like my desktop that runs 24x7

Check Hibernation.
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Robert SilverSr. Software EngineerAuthor Commented:
I tried to find hibernate references in windows 10  settings  only to find basic power and sleep settings only. Where do I find this Hibernate disable control?

Unit is a Dell Alienware Laptop 17 R4
Help me find out how to disable Hibernate completely
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Joe Winograd, Fellow&MVEDeveloperCommented:
Help me find out how to disable Hibernate completely
Control Panel
Power Options
Choose what the power buttons do

You'll see drop-downs for "When I press the power button", "When I press the sleep button", and "When I close the lid". For each one that is set to Hibernate, change it to something else. In other words, none of the power options should be set to Hibernate. Then issue this command in an elevated prompt (i.e., Run as administrator):

powercfg.exe /hibernate off

That should do it. Regards, Joe
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Robert SilverSr. Software EngineerAuthor Commented:
I found something on microsoft's support site:
hibernate turn off/on
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Robert SilverSr. Software EngineerAuthor Commented:
Found this but it seems to be what I needed.
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JohnBusiness Consultant (Owner)Commented:
So then using that reference, disable Hibernation. Dell and Hibernation often do not get along
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Joe Winograd, Fellow&MVEDeveloperCommented:
Hi Robert,
I'm glad that's what you needed. Regards, Joe
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