Solve the problem of win7 user webpage playing no sound

1. Use the combination shortcut key win key +r key to open the running window, enter “regedit” Enter to confirm. As shown below

2. In the open registry editor, find HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindows NTCurrentVersionDrivers32 to see if the window on the right has the value of "wavemapper". As shown below

3. Check whether the window on the right has the value of “wavemapper”, if you do not create a new “ldmap;wavemapper” value, double-click the newly created value and change its value data to “ldquo” ;msacm32.drv” Then close the Registry Editor and restart the computer to complete the operation. As shown below