This time, we will show you how to restore the default power plan in Windows 10/11.
Please try this if you have deleted a power plan using a command or if the brightness slider on your laptop no longer appears.
For example, if you delete the default power plan using the "powercfg /delete {GUID}" command (a command to delete an existing power plan),電源オプション"Create a power plan" displays the message "Your power plan information is unavailable."

How to restore the default power plan
Open a command prompt as an administrator, type the following command, and press Enter:
powercfg -restoredefaultschemes
To check if the default power plan has been restored, open Power Options.
*If it is already open, close it and then open it again.
If you deleted a power plan, you should see it restored.
When you use this command to restore the power plans to their defaults, any power plans you added will also be deleted and the settings for each plan will be restored to their defaults.






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