Win7 webpage playing no sound how to do

win7 users may encounter such a strange phenomenon on the Internet, that is, can not hear the video and music on the web, only switch to the local to listen to music or watch video There is a voice, why is this happening? It is possible that some optimization software in the win7 system service is caused by installing or uninstalling a certain decoder. The following is to teach you how to deal with the win7 web page without 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 the following folder and check 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 string value, double-click the newly created value and set its value data. Change to “msacm32.drv” then close the Registry Editor and restart the computer to complete the operation. As shown in the following figure

The solution to the win7 webpage without sound is released, and sometimes it may be a long response time of the win7 system program, no matter what the cause, most It is good to check it once before making a decision.