WIN7 Pure version System high Definition audio noise remedy

Computer in the use of a period of time after the noise is also flattering, some user feedback problems appear in the High Definition audio series above, although know what the disease, but the prescription still need to find experts to solve. So in response to this problem how to solve the small and medium-sized series for everyone to share Win7 pure version of the system high Definition audio noise resolution measures.

1, find and double-click to open the "Realtek HD Audio Manager", in the related panel open, go to the Speakers tab, and in its tab, you'll find the "default format" option in a slightly lower position, and in the default format, switch to 16-bit, 44100hz (CD-quality).

2, after the change is completed, a little try, whether the noise reduced a lot. In the default format, there are many options, but more to the back of the options, the corresponding sound card requirements more stringent, if the sound card does not reach the requirements, the noise will become more and more serious. So this is based on the sound card situation to make a specific choice.

3, the choice of one, also does not completely eliminate noise, but also to other operations. Open Registry Editor, expand the "Hkey-local-machine/system/currentcontrolset/services/audiosrv" registry in turn, and find "DependOnService" on the right. Item and double-click to open, delete the "Mmcss" item, Save the exit, and then restart the computer.

4. Find "service" in "Computer Management", find "Multimediaclassscheduler", and set "Startup Type" to "disabled".