The win7 system computer has no sound solution

Recently, users who use the win7 system computer reported that there is no sound in their own computer to play video. Everyone uses a computer to watch video or listen to music. If you can't output the sound, it is a lot of trouble. And the private feelings, some users think that their own computer sound is not open, the result is still no sound when it is big, what is going on in this case, in fact, it may be that our sound card driver is damaged or occupied. So how to solve this problem, Xiaobian gives you a little trick, may wish to give it a try!
The solution for the computer without sound is as follows:
1, first of all, let's open the sound of your own voice, see Is there a disk-like icon, and if so, it means that the driver and computer installed do not match.
2, if the above situation occurs, then there is one sound driver in the computer, we find the sound to open the small speaker, click to open the sound control option inside the selection.
3, after opening, we need to choose the sound driver suitable for our computer, check it and click to confirm.
4, if there is only one sound driver, then we can download the third-party software driver master to repair the software, click to open the driver master.
5, after scanning, and then click the sound driver to repair, close the window after the repair is completed and then restart the computer, and then see if the sound is already there.