A context menu will pop up.ģ) In the Playback tab, select Digital Output Device or HDMI option. If the HDMI device is not set as default device, you cannot hear the sound from HDMI output. Follow steps below to set the HDMI device as Default Device:ġ) Right-click on the sound volume icon in the lower right corner of Windows. Solution 2: Set HDMI Device as Default Device Then try connecting the monitor to another PC. Make sure the monitor’s speaker volume is not turned down or muted. If your PC has multiple HDMI output ports, try different ports and see if the problem resolves.ģ. Use another cable to and see if the problem resolves.Ģ. So before moving on to other solutions, check if all hardware devices work properly:ġ. Solution 1: Check if all hardware devices work properlyīroken hardware devices probably cause HDMI not working. Check if all hardware devices work properly.Just work your way down at the top of the list until you find the one that works for you. You can fix the error with one of the solutions below. Many Windows users have reported this issue. If you get HDMI no sound error in Windows 10, don’t worry.