What if the Win7 notebook has no sound?

Sometimes when we use a computer, there will always be problems like this. Recently, users of the Win7 system, when they used a laptop to watch a movie, suddenly saw no sound when they saw it halfway through. How to do? How should we solve this problem? Now let's talk to you about the solution to the sound of Win7 notebook.

The method is as follows:

1. It may be that the sound card of the computer has crashed. Normally, restart the computer.

2, use some test-driven software to see if it is a driver problem, you can find it online.

3. If you find a problem with the driver, restart the computer after updating the driver.

4, if the driver itself is no problem, debug the audio driver that comes with the computer, usually hidden in the icon in the lower right corner of the computer.

5, you can also use the notebook's own system restore settings: Control Panel -> System and Security - "Operation Center -" restore the computer to an earlier point.

6, it can help you to return to an earlier restore point, simply put back to the sound, it is very effective, but will erase your past record of operation, be careful.

Win7 notebook no sound solution will be introduced to you in detail; if you have encountered the same problems as above, you may wish to try the above methods to solve, after the solution will not appear like this The problem is. Want to know more please refer to: notebook Win7 system microphone no sound how to do?