Win7 system sound card driver leads to the solution of silent problem

If we use the Win7 64-bit flagship system computer to play without sound, volume adjustment and stereo are good to do. The following is a small compilation of system city to teach you how to solve this problem.

The reason for this is that the sound card driver is installed incorrectly. Because the sound card used to have the wrong driver, and then directly installed the correct driver, can not install.

First to remove the existing driver to install, on my Computer icon, the right mouse button click on the Property button, and then in the Device Manager to find the installed sound card, the right mouse click uninstall button, in the removal of the current sound card driver,

Finally, it is OK to install the correct sound card driver.