Windows 10: PC enters sleep for 2 seconds and restarts almost immediately

I am having a recurring issue with my PC where it would from time to time have trouble entering and staying in sleep mode. It might enter sleep for a second or two, and then immediately exit it again. This happens randomly over time, and seems to happen in clusters of time, where it will not happen for months at a time, and then it will continue happening for other months at a time. I ran the "powercfg /energy" command which generated an analysis of the energy savings system, and found several errors and warnings. I've attached the report in the link down below, which you can have a look. The

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PC on Windows 10 doesn't enter sleep mode

I have a PC running Windows 10 that refuses to enter sleep mode. When I choose the manual "sleep" option, the computer teases me and acts like it's going to sleep (the fan stops humming for a split second), but then it wakes up immediately and prompts
me to login to Windows again. And the computer never enters sleep mode on its own, no matter how long I leave it idle or what sleep settings I try. I've tried every suggestion I can find online without success. Please help so I can rid myself of this constant
humming - it's torture for a family quarantined in their house all day.

 

Sleep

Hi,

This may happen due to its power plan. A power plan is a collection of hardware and system settings that manages how computers use and conserve power. For this, we suggest that you reset and restore power plans to its default. kindly follow these steps:

• Open the Command Prompt (Admin).
• Copy and paste the command below into the command prompt, and press
  Enter:
  • powercfg -restoredefaultschemes
• Close the Command Prompt window, and then restart your PC to apply the changes.

After that, go to Power & sleep settings
by typing it into the Windows Search. Check the When plugged in, PC goes to sleep after
settings is set to Never.

Let us know if the steps above helped you to resolve the issue.

 

Windows 10 - Wakes immediately from sleep.

Hello t4ord,

Thank you for writing to Microsoft Community Forums.

Sleep mode saves the state of all open applications to memory, then powers down both the display panel and hard disk drive. However, if it often wakes up from Sleep mode, you need to change the Sleep settings under Power &
sleep. You can also refer this link regarding shutdown, sleep,
or hibernate your PC.

If that doesn’t help, kindly check with the steps listed below and see if it works.

Method 1: Restore default settings of power plan.

Let’s restore the power settings to its default and check if it makes any difference. To do that,

• Go to Control Panel and select Power Options.
  
• Click on Change advanced power settings.
• Select the option Restore default settings for this plan.
  

Method 2: I suggest you to refer the troubleshooting steps mentioned in the following article and see if it helps.

• Windows
  10: Troubleshooting sleep/hibernation issues on your Dell PC.
  
• Windows 7 does not go to sleep
  (Holds good for Windows 10 as well)
  

Let us know the results. Will be glad to assist you further, if the issue persists.

Regards,

Mala S

Microsoft Community - Moderator