If Windows 11/10 Taskbar Volume Control icon has stopped working & when you click on the volume icon nothing happens & you are not able to change the volume see this post.

QUESTION:I'm not getting any sound from my Windows 98se PC. I cannot change the volume, I can't open the volume controls, and the desktop icon for the volume is gone from task tray.

If Bluetooth Speaker Volume Control not working and you cannot adjust the volume of a Bluetooth speaker in Windows 11/10, do this to fix the issue.