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How to Add or Remove "System unattended sleep timeout" from Power Options in Windows


The System unattended sleep timeout power setting is the idle timeout before the system returns to a low power sleep state after waking unattended.

System unattended sleep timeout is set to two minutes and not available to change in Power Options by default in Windows.

This tutorial will show you how to add or remove the System unattended sleep timeout setting in Power Options for all users in Windows 7, Windows 8, and Windows 10.

You must be signed in as an administrator to be able to add or remove this setting in Power Options.


 CONTENTS:

  • Option One: Add or Remove "System unattended sleep timeout" in Power Options using Command Prompt
  • Option Two: Add or Remove "System unattended sleep timeout" in Power Options using REG file


EXAMPLE: "System unattended sleep timeout" setting in Power Options
Name:  System_unattended_sleep_timeout.png
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Add System unattended sleep timeout to Power Options in Windows OPTION ONE Add System unattended sleep timeout to Power Options in Windows
Add or Remove "System unattended sleep timeout" in Power Options using Command Prompt

1. Open an elevated command prompt.

2. Type the command below you want to use into the elevated command prompt, and press Enter.

(Add)
powercfg -attributes SUB_SLEEP 7bc4a2f9-d8fc-4469-b07b-33eb785aaca0 -ATTRIB_HIDE

OR

(Remove - default)
powercfg -attributes SUB_SLEEP 7bc4a2f9-d8fc-4469-b07b-33eb785aaca0 +ATTRIB_HIDE

3. You can now close the elevated command prompt if you like.






Add System unattended sleep timeout to Power Options in Windows OPTION TWO Add System unattended sleep timeout to Power Options in Windows
Add or Remove "System unattended sleep timeout" in Power Options using REG file


The downloaded .reg files below will modify the DWORD value in the registry key below.

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Power\PowerSettings\238C9FA8-0AAD-41ED-83F4-97BE242C8F20\7bc4a2f9-d8fc-4469-b07b-33eb785aaca0

Attributes DWORD

1 = Remove
2 = Add


1. Do step 2 (add) or step 3 (remove) below for what you would like to do.


 2. To Add "System unattended sleep timeout" to Power Options

A) Click/tap on the Download button below to download the file below, and go to step 4 below.

Add_System_unattended_sleep_timeout_to_Power_Options.reg

download


 3. To Remove "System unattended sleep timeout" from Power Options

This is the default setting.

A) Click/tap on the Download button below to download the file below, and go to step 4 below.

Remove_System_unattended_sleep_timeout_from_Power_Options.reg

download

4. Save the .reg file to your desktop.

5. Double click/tap on the downloaded .reg file to merge it.

6. When prompted, click/tap on Run, Yes (UAC), Yes, and OK to approve the merge.

7. You can now delete the downloaded .reg file if you like.


That's it,
Shawn