DirectX Home User Frequently Asked Questions
Click a question below to display the answer.
Not sure if DirectX is working correctly? Or if all necessary DirectX files are installed? To find out, use the DirectX Diagnostic Tool (Dxdiag.exe).
How do I download and install the latest version of DirectX?
Why does my computer stop responding (hang) when I install DirectX 8.x?
I'm using a Microsoft Windows 2000-based computer with a 3D video adapter, but my video performance has decreased. Why?
Why do I receive the error message "Can't connect to the session" when I try to connect to a chat session with the SideWinder Game Voice software or DirectPlay Voice?
What ports are required to play Microsoft DirectX multiplayer games through a firewall, a proxy server, Network Address Translation (NAT), or Internet Connection Sharing (ICS)?
I'm using a Microsoft Windows NT 4.0-based computer and my DirectPlay connection is unstable. How can I fix this?
When I start the Microsoft DirectX Diagnostic Tool on a laptop computer with a video adapter that supports a secondary display, I receive the error message "Error: Problem getting extra display info, result code = 0x88760249 (Can't create DC)." Why?
Why do I receive the error message "The Lancer.icd file is linked to missing export Dinput.dll:DirectInputCreateEx" when I start Microsoft StarLancer?
What is the DirectX tool in Control Panel used for?
To get an expanded list of DirectX home user articles, click here.