Table of Contents
This practical guide walks through how to enable / disable the allow wake timers option in, explains the main requirements, and highlights common issues that may appear along the way.
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.

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

(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

Key Takeaways
Use the information above as a practical reference for how to enable / disable the allow wake timers option in. Review each step carefully, confirm any requirements, and choose the option that best fits your situation.
FAQ
What does this guide explain about Enable / Disable the Allow Wake Timers Option in?
It explains the main concepts, practical considerations, and useful steps related to enable / disable the allow wake timers option in without requiring advanced knowledge.
Who can benefit from learning about Enable / Disable the Allow Wake Timers Option in?
This information is useful for readers who want a clear overview, practical guidance, and reliable steps related to enable / disable the allow wake timers option in.
What should I check before applying this information?
Review the requirements, confirm that your device, software, or situation matches the instructions, and back up important data before making major changes.
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