Policy
Specify the display dim brightness (on battery)
Microsoft Windows
Policy overview
Key metadata and intent for this policy.
Supported OS tags: Windows10, Windows10RT, Windows11, Windows7, Windows8, Windows81, WindowsRT, WindowsRT81, WindowsServer2008, WindowsServer2012, WindowsServer2012R2, WindowsServer2016
This policy setting allows you to specify the brightness of the display when Windows automatically reduces brightness of the display. If you enable this policy setting, you must provide a value, in percentage, indicating the display brightness when Windows automatically reduces brightness of the display. If you disable or do not configure this policy setting, users control this setting.
Registry values
How enabled and disabled states update the registry.
No explicit registry values are set for enabled or disabled states.
Policy elements
Inputs and configuration options exposed by this policy.
| Scope | Element | Type | Registry mapping | Constraints & behavior | Copy |
|---|---|---|---|---|---|
| Computer | Display Dim Brightness (percent): ID EnterDisplayDimBrightness | decimal | Path Software\Policies\Microsoft\Power\PowerSettings\f1fbfde2-a960-4165-9f88-50667911ce96 Value name DCSettingIndex Type REG_DWORD | Range: ? to 100 |