What should I do when the laptop has no sound on the speaker?

1. First, let's move the mouse to the notification area in the lower right corner of the win7 Ultimate computer. Let's find the speaker icon representing the sound in this area, then right click, in Select the playback device from the menu that appears.

2. After that, we can see the sound window shown in the figure below, let's double-click the speaker option directly.

3. In the open speaker property settings window, we will switch the interface to the level column, then click the balance button behind the first option, which will pop up a The new settings window, in the new window, let's adjust the size of the left front and right front to keep them the same value, then ID Ange determines the save settings.