What should I do when the win7 computer plays video files?

In recent days, Xiaobian reinstalled the win7 32-bit pure version, let alone use so many new systems, still feel that our win7 system is best used, but I don't know why, this installation win7 system is not before It's easy to use, especially on the top of the video, the performance is particularly powerful, I don't know why, Xiaobian's computer will play murmurs or even pops when playing video, movies and audio files. However, after studying for a long time, I finally found a solution. Let's take it out and share it with everyone!
First talk about the reason for this phenomenon. In fact, it is because the configuration of this computer is too old. However, although Microsoft gave multimedia better functions, for the old computer, it turned out to be a cumbersome, so that the CPU could not be loaded, which caused a noise phenomenon.
1. We can enter the registry editor, press win+r to open the running window, then type regedit and click Enter, so you can enter the registry editor window, our menu on the left side of the window Expand HKEY_LOCAL_MACHINESYSTEMCurrentControlSetservicesAudiosrv in turn, then double-click the DependOnService option, delete the value data in the pop-up window, and then exit the window.
2. Next, click the win button on the keyboard, then type msconfig in the search box and click Enter, so that you can open the pop-up window, let's switch the interface to the service column. Then remove the check box for the Multi media Class Schedu project, and finally click the application exit window below.