These DirectX settings allow you to change some of the DirectDraw and Direct3D video acceleration parameters.
Open your registry and find or create the key below.
Create a new DWORD value for each optional item from the list below and set it to “1″ to enable the setting or “0″ to disable it.
- DisableAGPSupport – Disable AGP support
- DisableMMX – Disable MMX processor extensions
- DisableWiderSurfaces – Disable Wider Surfaces support
- DisableInactivate – Disable dual-head video card debugging
- EnablePrintScreen – Enable Print Screen capture
- ModeXOnly – Use Mode-X for older video cards
- ShowFrameRate – Display the frame rate (if supported)
- DisableNoSysLock – Disable long-duration locks on video memory
- ForceNoSysLock – Force use of long-duration locks on video memory
- EmulationOnly – Enable software emulation layer for older video cards
Open the [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Direct3D] key and change the value of DisableDP2 to “1″ to disable Direct3D, or “0″ to enable it.
Open the [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Direct3D\Drivers] key and change the value of SoftwareOnly to “1″ to use software emulation or “0″ to disable it.
Restart Windows for the change to take effect.
System Key: [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\DirectDraw]
Data Type: REG_DWORD (DWORD Value)
Value Data: (0 or 1)
Disclaimer: Modifying the registry can cause serious problems that may require you to reinstall your operating system. We cannot guarantee that problems resulting from modifications to the registry can be solved. Use the information provided at your own risk.