Win7 system playback video has been a noise impact watch how to solve?

Win7 System playback video has been a noise impact watch how to solve?

The workaround is as follows:

1. Press "Win+r" at the same time to open the Run window, enter "regedit" in the Run box and click Enter;

2, into the Registry Editor window, in turn, expand the "hkey_local_machinesystemcurrentcontrolsetservicesaudiosrv";

3, in the right window to find and double-click the "DependOnService", in the pop-up window to remove the value of data, and then exit the window.

4, Next, click the "Win" button on the keyboard, and then enter "Msconfig" in the Search box and click Enter;

5, in the subsequent pop-up System Configuration window, the interface switch to the "service" of this column, and then the "Multi media Class schedu" Item tick removed, the last click on the bottom of the "Application" and "OK" exit window can;

6, after the completion of all the steps, again in the Win7 computer on the video open, will be pleasantly surprised to find the murmur disappeared without a trace.