The win7 system computer suddenly has no sound, five kinds of fault analysis and solutions detailed

The win7 system computer suddenly has no sound explanation:
1, check whether the hardware is intact
(1) Look at the problem of the speaker of your computer, or the wiring is wrong.
Test method: Try it out with other audio equipment.
(2) Then there is a problem with the sound card. Look for someone who knows the computer professionally.

2. Computer setting problem
Check method: Open the small speaker in the lower right corner of the desktop to see if the computer is muted. It may be that the computer does not automatically turn on the audio after booting, so mute, this cancellation Mute it.

3. Driver problems
Sometimes we are updating some software, especially when updating some system software. It is easy to happen when the computer is most prone to problems. There is no sound, it is likely that the driver is not compatible after the update.
Workaround: Update the driver, you can try some driver software.

4. Reinstalling the system
The problem with no sound in my computer is that the system is reinstalled. At the time, all the methods were tried, and there was no way, but after reinstalling the system, it would be fine.

5. Restart the computer
Sometimes we boot and find that the small speaker on the right is muted, or there is no small speaker. At this time, you can try to restart the computer, and most of the time you can recover.
The above is the introduction of five reasons and solutions for the sudden failure of the win7 system computer. If you have no sound problems with the computer, don't worry, follow the above method to check which kind of problem is solved.