Using DirectX to diagnose problems in Windows 8.1/rt 8.1

Source: Internet
Author: User

Operation Steps:

Diagnosing basic problems with DirectX


Applies to Windows 8.1, Windows RT 8.1


Many games and multimedia applications in Windows require DirectX. DirectX is built into Windows and cannot be uninstalled.


If you can't play games, movies, or multimedia apps correctly, the DirectX Diagnostics tool can help you identify problems. Here's how to open the tool.


Swipe from the right edge of the screen to the middle and click "Search".


(If you use the mouse, point to the upper-right corner of the screen, then move the pointer down, and then click Search.) )


Enter "DxDiag" in the search box, and then click or click "DxDiag".


Attention


If you are using the DirectX Diagnostic tool for the first time, you may be asked to check that the driver is digitally signed. We recommend that you click or click "Yes" to help verify its identity. For more information, see How to determine which drivers are safe to install?.


When the diagnostics tool is open, the following items are checked.


The version of DirectX installed on your computer
Some earlier versions of apps and games need to be D3DX. If you see an error message similar to the following: "You cannot start a program because your computer has no d3dx9_35.dll." Try reinstalling your program to fix the problem. "(the last two digits of the file name may be different.) Go to the DirectX End-User Runtime Web Installer Web page, and then follow the instructions to install DirectX 9, which contains DXD3 support.

Earlier versions or unsigned drivers
A digitally signed driver has been tested for DirectX compatibility. Click or click the tab of the hardware that is causing the problem, and look for driver issues. You can usually fix the problem by installing the latest drivers. You can usually find the latest drivers from the support section of the manufacturer's website.

Your game controller.
If the joystick or other input device is not responding, it may not be installed correctly. Make sure that the device is displayed on the Input tab. If it is not displayed, reinstall the device according to the manufacturer's instructions. If it is a USB device, unplug it and reinsert it. If the controller is displayed in input, but it still does not work, try installing the latest driver from the Support section of the manufacturer's Web site.

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