What if the computer doesn't sound under the Windows 7 system?

Method One,

1.windows system in the lower right corner of the taskbar has a small horn icon, and then we can directly click on the sound of the size of the move, the specific method as shown in the following figure.

Method Two,

1. In the lower-right corner of the desktop taskbar there is a "custom ..." click on it and we'll open a "turn on or off System icon" as shown in the following illustration.

2. Then the other couples in the pop-up will see that there is a volume, we can click on "open" or "close", as shown in the picture.

Method Three,

1. Hardware inspection, the computer if there is no sound first check the speaker's plug is dropped or plug the interface is correct.

Method Four,

1. We right-click on the desktop "Computer" in the pop-up menu "Device Manager" click on it, details as shown below.

2. Then, as shown in the following figure, we look at the "sound video and game controller" below the pop-up device management is not a yellow exclamation mark.

3. If there is an exclamation mark we can download a driver wizard to reset your sound card to install the driver.