What if the win7 driver error causes the video card to have no sound?

I believe that the friends who are still operating the win7 Ultimate 64-bit system must not be in the minority? Although the win8 system has gradually improved, but everyone still reluctant to abandon this experience is not bad win7 Ultimate. But do you have any problems that are not well solved when you operate the Win7 Ultimate computer? If so, you may wish to record it, and then tell Xiaobian, let's discuss the solution together. This is not, Xiaobian received a friend's message today, saying that his own win7 Ultimate computer recently appeared some problems, the driver failed, directly resulting in no sound on the graphics card. So how do we deal with such a problem?
First, let's analyze the cause of the failure. Generally speaking, this problem is caused by a sound card driver installation error or a problem with some of the files. The solution is also relatively simple. Let's uninstall the previous sound card driver, and then download the corresponding sound card driver according to the model of the computer. The operation is as follows:
1. First, we need to delete the previous sound card driver in the computer, just right click on the computer icon, then select Manage, after entering the computer management interface, we click to expand the sound, video and Game controller, then find the sound card driver in it, right click and select Uninstall.
2. After that, we can download the new sound card driver to the official website according to the computer model.