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IT_WinSec
Level 15
Views : 21,284
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Symptoms

The computer

  • Does not go into sleep mode,
  • Does not wake up from sleep mode
  • Wakes up from sleep mode unexpectedly


The issue might occur after an upgrade to or updating drivers in Windows.

It may happen due to many reasons -> Windows misconfiguration,  BIOS/UEFI issues,  3rd party drivers, etc......

 

Answer

 

INITIAL troubleshooting steps

 

ADDITIONAL troubleshooting steps

  • After you follow the steps from the article, here are a couple of additional things you may also try :

 

Check Device Manager

 

1. Click on the Windows Start button, type and then open Device Manager
2. Locate System devices and expand the trail

 

Screenshot_2019-01-17_23-40-32.png

3. Locate and right click on "Intel (R) Management Engine Interface" then select Properties
4. Select Power management tap
5. And uncheck "Allow the computer to turn off this device to save power"
6. Save it and close it.

 

 

Turn off Windows Fast Startup

 

Windows 8/10/11 start in a different way (compared to Windows XP, Vista or 7, for example) - the boot process has changed. Fast Start up is a "trick" to start/load your Windows faster. However, it may sometimes cause issues. Disabling Fast Start up in Windows 10 restores Windows to a slightly slower but classic more robust full start every-time you need to start your device.

 

  • Click on Windows Start button
  • Type control.exe and open Control Panel
  • Go to Power Options -> Choose what the power button does
  • Click on Change settings that are currently unavailable
  • Uncheck Turn on Fast Startup
  • Make sure you press  Save changes button
  • Close the window

222.png

 

 

Uninstall 3rd party security products

 

If they are not developed correctly, they (their drivers) might prevent Windows from going into Sleep mode properly. I am personally aware of at least 2 antivirus programs which are "responsible" for the Sleep issues.

 

  • Go to Control Panel
  • Click on Programs and features
  • Uninstall any 3rd party security apps (firewalls, antivirus, encryption programs, internet security suites) which you may have.
  • Restart your Windows computer

 

Scan your computer for viruses/malware/unwanted apps

 

.... Download and run the free ESET Online Scanner (www.eset.com)


>> https://www.eset.com/int/home/online-scanner/

 

  • Scan your PC for viruses, threats and unwanted/unsafe applications - remove them if anything found.
  • Restart your Windows 10 computer

 

 

Try updating the BIOS/UEFI

 

Both UEFI and BIOS are low-level software/firmware that starts when you boot your PC before booting your operating system [Windows], but UEFI is a more modern solution. Sometimes, an update may resolve issues with the Sleep mode.

 

 

Extra steps (advanced troubleshooting)

Check this 3rd party website / article >> https://thegeekpage.com/fix-windows-10-sleep-mode-not-working-solved/

 

 

There may be additional troubleshooting steps if you still face issues.
Post in the Community by creating new question/thread and you will receive assistance

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