What should I do if the Win7 system plays music without sound?

Whether it is casual or irritating, listening to a good music is very pleasant, but there are some users of windows7 32-bit Ultimate system feedback, I have no sound in the computer using cool dog music, but the system sounds normal. On this issue, the following small series gives you the reason why the cool dog music in Windows7 system has no sound but the system sound is normal and the corresponding solution is made, let's refer to it together!
Solution :
1. Check whether the audio output settings are correct in Cool Dog Music. If the icon is set to mute, just turn it on.
Check if the audio output settings are correct
2. Check if there is a problem with the system settings: Click the speaker icon in the lower right corner of the computer and select Synthesizer.
3. Then check if the cool dog music is banned.
Click on the speaker icon in the lower right corner of the computer
Windows7 32-bit Ultimate Edition system music software has no sound but the system sounds normal related content is shared with everyone here, I believe everyone should understand now,