There is no sound in the Vista system.

My Vista system has no sound. The built-in sounds of the system such as the sound of the switch and the sound of the webpage playing music or video are gone, and the volume control icon of the task system tray is gone. . But you can listen to music by playing media files using Windows Media Player, Kmplayer, TTP, etc. The sounds of QQ, MSN and other software can be heard normally. To this end, I checked the control panel and confirmed that the sound settings were ok and the sound files were intact. The device manager also checked and reinstalled the sound card driver. But the result is still the same, the system has no sound, the webpage has no sound, and now there is nothing to do, how should it be solved?

A: Click “Start”Menu→"Run" Enter “regedit” and press Enter to open the Registry Editor, click on the left pane and click "HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionDrivers32" Then check if there is a "wavemapper" value in the right pane. If not, right-click in the blank space on the right pane, create a new string value called “wavemapper”, and then double-click the value to set its “Value Data” as “msacm32.drv”. Just fine. In addition, if there is no sound when playing Flash animation, you can also use this method to solve.