What should I do if the dnf chart system fails to be formed?

Q: What should I do if the dnf chart system fails to be formed?
A: First, make sure that your computer graphics card driver is installed correctly
Confirmation method is right click “My computer” ”--Management--Device Manager--Is there a yellow question mark or exclamation mark in the last display card. If you have the correct installation of the graphics card driver you need, if you do not know the graphics card model, download a driver life or driver wizard will automatically get and install, but only if you must connect to the network!
If you confirm that the graphics card driver is installed correctly. Then it is the problem with your dxd file, go to the Internet to search for dxd9.0 installation. See if the problem is solved. .
If you haven't solved it yet, just debug it manually. . First right click on the desktop - Properties - Settings - Advanced - Troubleshooting to see if the acceleration is in the full position. . If not, adjust to complete.
Then at the beginning - run Enter dxdiag Open this dialog box and select the display to see if the acceleration is turned on. If it is not enabled, turn it on. . .
Generally, this problem will be solved after installing the graphics card driver to adjust the dxd file. . Of course, it is also possible if it is manually prohibited by others. .