• Examine your volume controls. Right-click on the sound icon in the bottom-right corner of your screen and select Properties. Click Open Sound Settings when you've opened the window.
• Click Sound Control Panel in the Sound Settings window. Open the Playback tab in the Sound Control Panel.
• Right-click on the default sound device, which has a green checkmark next to it.
• To do an audio test, select test. You'll see a green bar moving on the right side and hear chimes if the sound is working. If the sound is still not working, right-click on the default audio device and select Properties this time.
• Select the Levels tab from the properties pane. Slide the levels tab upwards and make sure the speaker icon is unmuted in the levels tab.
• Restart your computer. If this doesn't work, you might need to upgrade your audio device. Return to the Sound Control Panel and select the Playback option.
• From the selection menu, choose another audio device. Select Set Default from the drop-down menu.

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