Win7 sound card Burst/murmur/card Delay problem Solving method

In recent time, the sound card suddenly appears the phenomenon, music playback speed will also become slow, and DVD read disc card when the feeling is similar.

When playing music, run the software, quickly open Taobao 4-5 content of different pages.

If a red column icon appears in the software, the device interrupt request time is too long.

It is estimated that the Win7 system interrupt request mode differs from XP, resulting in.

Workaround:

Step One: Run Registry Editor, expand to Hkey_local_machinesystemcurrentcontrolsetservicesaudiosrv in turn, and double-click "DependOnService" in the right window. Then remove "mmcss Delete" from the dialog box that pops up.

Delete mmcss (do not delete other values)

After the modification is complete, save the settings and exit. Such changes are only the first step, and to solve the problem thoroughly, we need to proceed to the next step.

The second step, in the Start menu "Search Programs and Files" box, enter Msconfig, in the pop-up dialog box to switch to the "Services" tab, find and uncheck the "multimedia Class Scheduler."

Uncheck the "Multimedia Class Scheduler"

When you have finished modifying, click OK to save the settings exit. Restart the computer so that the two steps above have been modified to take effect.