Win7 How to install a sound card driver

The first step: Open Device Manager, check the sound, video and game controller, there is no yellow exclamation mark. Open method: Right-click My computer → properties → hardware → device Manager.

The second step: if there is a yellow exclamation mark, your sound card has a problem, and then you go to uninstall, first click the "Computer" right button to find management.

Then locate the Device Manager, locate the sound, video, and game controllers and then click Uninstall.

The third step: After the uninstall, open the Driver Wizard, and then click the "one-button experience."

Fourth step: This time, in the "basic state" drive detection, will show the sound card driver information failure.

The fifth step: then click Fix, wait him repair completes, click completes, restart the computer, your sound card installs well, you now again to use sound card is not OK?