The solution to the sound disappearance of the Win7 system

In the use of Win7 computer, occasionally there will be silent computer situation. But the strange thing is, the computer in the lower right corner of the small horn icon is normal, this is what to do? Today, small knitting will come to explain the Win7 system sound disappeared solution.

1. First check the device connection is normal, such as desktop speakers connected, the computer is OK.

2. Check the sound card driver, right click on the computer---properties---Device Manager---Sound, video and game controller to see if the sound card driver is normal, such as a yellow exclamation mark indicates that the driver is not normal, reinstall the driver.

3. The official website to see whether the sound card driver has updated, or with the Drive Wizard to install an updated driver can be. (Drive Wizard Download)

4. If your Win7 system computer voice is gone, do not worry, first carefully examine what is caused by the cause, and then in the right remedy.