Win7 tip: you cannot calculate the Windows Experience Index of your system, and cannot measure the video playback performance. Solution

The following error is reported in win7:

Solution

1. Driver installation problems. Check if our driver has been installed. Another problem is that when the driver is installed, we usually restart immediately. Do not install it all before restarting. This may cause problems.

2. On the desktop, go to "system properties -- environment variables -- system variables -- TEMP and TEM" and pay attention to the intermediate path, for example, C: \ Windows \ Temp, if not all are changed to C: \ Windows \ Temp, check whether they have the existence of this directory in the specified directory and do not directly create enough permissions:

3. Check whether a media video file exists in the C: \ Windows \ Performance \ WinSAT directory, if we do not find any other win7 system, we only need to add the corresponding video files from other machines to this folder, as shown in the figure:

4. Check the dll files in several directories in your system, for example, "msmpeg2vdec" in C: Windows System32. dll, msmpeg2adec. dll and mfds. dll "is there any online download.

5. Download a new version of QQ audio and video player or storm audio player with the latest decoder from the Internet, and then restart the system to view it.

6. If none of the above methods work, restart the system and select a comprehensive installation package for installation.