Hello!Thank you for your question. I am Shefin and I look forward to helping you with your issue today.
I would suggest you enable HDMI sound in order to get the issue resolved.
Please right click on the volume icon that you see on the bottom right corner and select Playback devices.
Over there, select the device as your Monitor and click Set as Default. Click OK.
If the issue persists, please let me access your computer, so that I can help you resolve the issue while you watch.
If you appreciate my service, please rate it EXCELLENT by clicking the EXCELLENT (5 Stars) and Submit. My goal is to provide you with excellent service – if you feel you have gotten anything less, please reply back, I am happy to address follow-up questions. Thank you for your business!Thank you!S H E F I N
If you can let me access your computer remotely, I can check the issue and help you resolve the issue while you watch.
S H E F I N