How to enable / disable the Allow Wake Timers option in Windows 10

How to add / remove 'Allow wake timers' from Power Options in Windows 10
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A wake timer is a timed event that wakes the PC from Sleep and Hibernate at a specific time. For example, a task in Task Scheduler is set up with the "Wake the computer to run this task" checkbox selected.

Important wake timer is a new kind of wake timer in Windows 10 that includes things like restarting after updating Windows. They replace all other settings.

Enable or disable the Allow Wake Timers option in Power Options

Step 1. Open the advanced power plan of the power plan for which you want to enable or disable wake timer.

Step 2. Expand Sleep and Allow wake timers. Select Enable, Disable (default with battery) or Important Wake Timers Only (default when plugged in), depending on what you want and press OK.

How to enable / disable the Allow Wake Timers option in Windows 10 Picture 1

Enable or disable the Allow Wake Timers option in Command Prompt

Step 1. Open Command Prompt.

Step 2. Copy and paste the command (s) below you want to use into the Command Prompt and press Enter after each command.

(Using battery: Disable)

powercfg / SETDCVALUEINDEX SCHEME_CURRENT 238c9fa8-0aad-41ed-83f4-97be242c8f20 bd3b718a-0680-4d9d-8ab2-e1d2b4ac806d 0

(Battery: Enable) - default

powercfg / SETDCVALUEINDEX SCHEME_CURRENT 238c9fa8-0aad-41ed-83f4-97be242c8f20 bd3b718a-0680-4d9d-8ab2-e1d2b4ac806d 1

(With battery: Important Wake Timers Only)

powercfg / SETDCVALUEINDEX SCHEME_CURRENT 238c9fa8-0aad-41ed-83f4-97be242c8f20 bd3b718a-0680-4d9d-8ab2-e1d2b4ac806d 2

How to enable / disable the Allow Wake Timers option in Windows 10 Picture 2

(Plug and charge: Disabled)

powercfg / SETACVALUEINDEX SCHEME_CURRENT 238c9fa8-0aad-41ed-83f4-97be242c8f20 bd3b718a-0680-4d9d-8ab2-e1d2b4ac806d 0

(Plug charger: Enabled) - default

powercfg / SETACVALUEINDEX SCHEME_CURRENT 238c9fa8-0aad-41ed-83f4-97be242c8f20 bd3b718a-0680-4d9d-8ab2-e1d2b4ac806d 1

(Plug and play: Important Wake Timers Only)

powercfg / SETACVALUEINDEX SCHEME_CURRENT 238c9fa8-0aad-41ed-83f4-97be242c8f20 bd3b718a-0680-4d9d-8ab2-e1d2b4ac806d 2

How to enable / disable the Allow Wake Timers option in Windows 10 Picture 3

Allow Wake Timers

Marvin Fry

Update 27 November 2020

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