How to do Win3 system Direct3d function is not available

The steps are as follows:

1. First, click the Start button and type "ldxdiag" in the search box.

2, will search for a lot of things, it does not matter, just open the top of the "dxdiag.exe" rd this program will do.

3, Dxdiag Chinese name is called DirectX diagnostic tool, open the interface as shown below:

4, then we click on the main interface “ display & rdquo; tab (pictured above As shown in the circle, you can see all the graphics-related content in the system (as shown below):

5, normal, the following "DirectX function" DirectDraw acceleration, Direct3D acceleration , AGP texture acceleration should be "already" state, then your computer's display system is no problem, play large games, use CAD software, etc., should be able to use normally.

6, but some people's DirectX acceleration function is not available, how to fix it? Determine if your graphics card driver is normal.

7. Notice the part of the red frame? It will show whether your graphics card driver is normal. The first picture shows a screenshot of the system with a normal graphics card driver, and the second picture shows a screenshot of the system with a problem with the graphics card driver. Through the comparison of the two figures, you can see very well what kind of thing is normal and what kind of thing is abnormal. For the sake of rigor, I will briefly introduce each parameter in the driver.

8, the main program driver in the parameters will write the name of the driver file, if you write a lot of file names (such as nvd3dumx.dll, nvwgf2umx.dll, etc., different graphics card brands are shown here The file name will be different, this does not matter, it is the normal state, if you only write vga, then 100% is a problem with the graphics card driver.

9, the following is the version information, if it starts with 6.1.7600, then there is a problem with the graphics card driver, if it is other, the graphics card driver is normal. In fact, this 6.1.7600 refers to the version number of Windows 7, the system can only fill in this with its own version number, indicating that the graphics card driver is missing.

Next is the date. If it is 2009/7/14 7:25:51, then there is a problem with the graphics card driver. If it is other, the graphics card driver is normal. In fact, this 2009/7/14 7:25:51 refers to the time when the Windows 7 system is compiled.

Then there is the WHQL signature. This signature does not matter whether it is used or not.

Then there is the DDI version. As long as there is information, whether it is 10, 11 or 12, it is normal. If the display is unknown, there is a problem with the graphics card driver.

Finally, the driver model, here too, as long as the information is normal, the display is unknown is the graphics card driver has a problem.

Through the above series of judgments, you will know the status of your graphics card driver. If your graphics card driver is normal, please skip to step two. If there is a problem with the graphics card driver, you need to install it yourself. Graphics driver.

10, if you are more powerful, know what type of graphics card, then you can go directly to the graphics card official website to download the latest driver, then install and restart. If you are a little white, do not know what type of graphics card is, you can go to the next driver wizard, driver home or 360 driver master, let the program directly help you to install the graphics card driver, restart the computer Just fine.