1. Ensure that your monitor has built-in speakers. You can check it on Product's website page -> Specification -> Audio.

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2. Check the cable connection:

a. Make sure the connection is secured. 

b. Re-plug or try another HDMI (Premium) certificated cable in direct connection.

c. If using a VGA cable, ensure the audio cable is connected to the AUDIO/LINE/HEADPHONE OUT port on your device and plugged into the AUDIO/LINE IN port of the monitor.

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3. Check and make sure the monitor is not muted or volumed down.

                             

4. Check the PC/laptop setting:

           a. Make sure the PC/laptop is not muted or volume down.

                   


         b. Check the setting of sound output device in Windows/Mac OS has been set to monitor.