Win7 computer equipment Management can not find the audio device how to do?

Before the small wrote an article, mainly explained that when the computer can not make a sound, we want to solve the problem step-by-step, one of the most important step is to check the audio device is faulty. But lately, a friend to small, said is a step-by-step operation, incredibly mysterious found a problem, in the Win7 64-bit flagship download ISO Device Manager Incredibly can't find audio equipment, so the problem arises, how do we deal with it? Below, and small weave together to see it!

The first case: if you can't find the audio device in Device Manager, then the computer's sound card is likely to be damaged, but relatively speaking, the possibility of this situation is relatively small, you can also use the following several conditions to test first.

The second case: computer poisoning. If the computer music playback system files damaged, it will cause audio devices do not display, you can use anti-virus software to detect.

In the third case, the audio device is disabled. We can access the computer equipment management interface, if found that the sound card driver here has a yellow exclamation point, then the driver has problems, we can go back to the official website to download and install on it.