Use the fault detection function that comes with the Win7 system to solve the problem of no sound

If it's just a small problem, most users can solve it themselves, but Win7 is often not so good. "Serving", some problems that are difficult to detect on the surface can stump a large number of people. Finding someone to help is a solution, but it is not always appropriate to trouble others. Therefore, everyone should be good at using Win7's “self-healing” system to let Win7 solve its own problems.

Operation steps

Take computer
as an example, let's assume that the hardware device of computer
is working properly, but the headphones are not plugged in. The system will give us tips on how to do it. Open the Start menu, Control Panel, in System and Security, select Find and solve the problem.

Start “Find and solve the problem<quo;, turn on the hardware and sound, under the sound option, select to play the audio, Win7 computer has no sound solution skills in the play audio dialog box, click Next step.

In the fault dialog, select Headphones and click Next; at this point, it will give a diagnostic message: the peripheral is not plugged in; and a fix is ​​suggested: plug in Speaker or earphones.

At this point, if you plug in the headphones or speakers and click the Next button, the system will automatically change the repair and give the following dialog: