What if the computer speakers have no sound? How can win7 use its own functions to solve

On many office computers, you will find that the computer is in the environment of win7 system, there is no sound in the computer speakers, and there is still no sound when the computer is plugged into the headphones. Is this a malfunction? It doesn't matter, we can use the win7 system. Built-in system diagnostic tools for diagnostic diagnostics.

First of all, we don't plug in the headphones. When the computer hardware is working properly, let's see what kind of prompts the system will give.

Open the Start Menu--Control Panel to find and fix problems in System and Security.

Open Hardware and Sound, under Sound Options, select Play audio; audio playback dialog box, click Next.

fault dialog box, select Headphones, and click Next, then the computer should be prompted: no plug in peripherals, and gives Advice: plug in speakers or headphones.

Then we can plug in headphones, and click Next. The system will automatically change to repair, and gives the following dialog box:

If the previous step, we do not have to plug in headphones, and click on Next, a message will be as follows:

So, we only need to select the options to be checked, the system will automatically help the inspection, and give the corresponding repair suggestions.

The lack of sound on the computer is the most troublesome thing. Listening to music can't be heard. Watching the video can't be seen. If you have the same problems as Xiaobian, try the above-mentioned methods, use the built-in system diagnostic tool of win7 system to diagnose and repair, I believe the problem can be solved.