Configure Multiple Display Mode: registry value DefaultTopologySetting (Configuration)ComputerHKLM\System\CurrentControlSet\Control\GraphicsDrivers\Configuration
- Policy ID
- DisplayConfigureMultipleDisplayMode
- Scope
- Computer Configuration
- Supported on
- At least Windows 11 Version 24H2
- Source
- Administrative Templates (.admx) for Windows 11 2026 Update (26H2) (version 1.0)
- Category
- System › Display
Registry
DefaultTopologySetting
REG_DWORDComputer- Enabled value
- Depends on the option value
- Element
- Clone, Extend, InternalOnly, ExternalOnly or Continue with default Windows Settings as configuration for Multiple Display Mode.
| Item | Stored value |
|---|---|
| Default | 0 |
| Internal Only | 1 |
| External Only | 2 |
| Clone | 3 |
| Extend | 4 |
Apply with .reg · CMD · PowerShell
.reg
Windows Registry Editor Version 5.00 [HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\GraphicsDrivers\Configuration] ; Options (use only one) ; Default "DefaultTopologySetting"=dword:00000000 ; Internal Only "DefaultTopologySetting"=dword:00000001 ; External Only "DefaultTopologySetting"=dword:00000002 ; Clone "DefaultTopologySetting"=dword:00000003 ; Extend "DefaultTopologySetting"=dword:00000004
CMD
:: Options (use only one) :: Default reg add "HKLM\System\CurrentControlSet\Control\GraphicsDrivers\Configuration" /v "DefaultTopologySetting" /t REG_DWORD /d 0 /f :: Internal Only reg add "HKLM\System\CurrentControlSet\Control\GraphicsDrivers\Configuration" /v "DefaultTopologySetting" /t REG_DWORD /d 1 /f :: External Only reg add "HKLM\System\CurrentControlSet\Control\GraphicsDrivers\Configuration" /v "DefaultTopologySetting" /t REG_DWORD /d 2 /f :: Clone reg add "HKLM\System\CurrentControlSet\Control\GraphicsDrivers\Configuration" /v "DefaultTopologySetting" /t REG_DWORD /d 3 /f :: Extend reg add "HKLM\System\CurrentControlSet\Control\GraphicsDrivers\Configuration" /v "DefaultTopologySetting" /t REG_DWORD /d 4 /f
PowerShell
# Common: create the key New-Item -Path 'HKLM:\System\CurrentControlSet\Control\GraphicsDrivers\Configuration' -Force | Out-Null # Options (use only one) # Default New-ItemProperty -Path 'HKLM:\System\CurrentControlSet\Control\GraphicsDrivers\Configuration' -Name 'DefaultTopologySetting' -PropertyType DWord -Value 0 -Force | Out-Null # Internal Only New-ItemProperty -Path 'HKLM:\System\CurrentControlSet\Control\GraphicsDrivers\Configuration' -Name 'DefaultTopologySetting' -PropertyType DWord -Value 1 -Force | Out-Null # External Only New-ItemProperty -Path 'HKLM:\System\CurrentControlSet\Control\GraphicsDrivers\Configuration' -Name 'DefaultTopologySetting' -PropertyType DWord -Value 2 -Force | Out-Null # Clone New-ItemProperty -Path 'HKLM:\System\CurrentControlSet\Control\GraphicsDrivers\Configuration' -Name 'DefaultTopologySetting' -PropertyType DWord -Value 3 -Force | Out-Null # Extend New-ItemProperty -Path 'HKLM:\System\CurrentControlSet\Control\GraphicsDrivers\Configuration' -Name 'DefaultTopologySetting' -PropertyType DWord -Value 4 -Force | Out-Null