What if win7 has no sound? Win7 no sound solution

win7 no sound solution:

1, set the sound related properties, first enter the control panel & mdash; & mdash; sound options, there should be speakers under the play tab The device, double-click to open the properties window, in the level tab, the button to keep the speaker is normal, as shown below.

2. Similarly, if there is no sound in the microphone, go to the level column in the recording tab and keep the sound icon in the normal state.

3, check the sound card driver for problems, right click on the computer option in the start menu, select Properties, enter the device manager, check whether the sound, video and game controllers are yellow or red. Exclamation point item, if ever, please try to update the sound card driver (downloadable driver wizard automatically updates).

4, check whether the Win7 sound service is disabled, right click on the computer item in the start menu, select Manage, enter the service options, find the Windows Audio item to ensure it remains active.