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Select the Start menu Power button action (on battery): registry value DCSettingIndexComputerHKLM\Software\Policies\Microsoft\Power\PowerSettings\A7066653-8D6C-40A8-910E-A1F54B84C7E5

Policy ID
DCStartMenuButtonAction_2
Scope
Computer Configuration
Supported on
Windows Vista only
Source
Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
Category
System › Power Management › Button Settings

Registry

DCSettingIndex

REG_DWORDComputer
HKLM\Software\Policies\Microsoft\Power\PowerSettings\A7066653-8D6C-40A8-910E-A1F54B84C7E5 Current key
Enabled value
Depends on the option value
Element
User Interface Sleep Button Action
Options
ItemStored value
Sleep0
Hibernate1
Shut down2
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00

[HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Power\PowerSettings\A7066653-8D6C-40A8-910E-A1F54B84C7E5]

; Options (use only one)
; Sleep
"DCSettingIndex"=dword:00000000
; Hibernate
"DCSettingIndex"=dword:00000001
; Shut down
"DCSettingIndex"=dword:00000002
CMD
:: Options (use only one)

:: Sleep
reg add "HKLM\Software\Policies\Microsoft\Power\PowerSettings\A7066653-8D6C-40A8-910E-A1F54B84C7E5" /v "DCSettingIndex" /t REG_DWORD /d 0 /f
:: Hibernate
reg add "HKLM\Software\Policies\Microsoft\Power\PowerSettings\A7066653-8D6C-40A8-910E-A1F54B84C7E5" /v "DCSettingIndex" /t REG_DWORD /d 1 /f
:: Shut down
reg add "HKLM\Software\Policies\Microsoft\Power\PowerSettings\A7066653-8D6C-40A8-910E-A1F54B84C7E5" /v "DCSettingIndex" /t REG_DWORD /d 2 /f
PowerShell
# Common: create the key
New-Item -Path 'HKLM:\Software\Policies\Microsoft\Power\PowerSettings\A7066653-8D6C-40A8-910E-A1F54B84C7E5' -Force | Out-Null

# Options (use only one)
# Sleep
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Power\PowerSettings\A7066653-8D6C-40A8-910E-A1F54B84C7E5' -Name 'DCSettingIndex' -PropertyType DWord -Value 0 -Force | Out-Null
# Hibernate
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Power\PowerSettings\A7066653-8D6C-40A8-910E-A1F54B84C7E5' -Name 'DCSettingIndex' -PropertyType DWord -Value 1 -Force | Out-Null
# Shut down
New-ItemProperty -Path 'HKLM:\Software\Policies\Microsoft\Power\PowerSettings\A7066653-8D6C-40A8-910E-A1F54B84C7E5' -Name 'DCSettingIndex' -PropertyType DWord -Value 2 -Force | Out-Null