How to use Win7 to find and solve problems Built-in system diagnostic tool to detect sound faults

Open the Start menu, Control Panel; in System and Security, select Find and solve the problem;

Open hardware and sound, under Sound Options, select Play Audio; in the Play Audio dialog box, click Next;

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 the speaker or headset.

At this time, 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:

And if you don't plug in the headphones or speakers, Clicking the Next button directly will cause the system information to become the following:

You can also click on the details to get specific system diagnostics.