The volume icon in the taskbar typically disappears if the system icons settings get changed by accident. This also occurs when the audio device is not properly configured or when the driver software gets corrupted. A user can correct the problem by manually changing the settings or updating the drivers.Why has my taskbar disappeared?
In my experience, there are four main reason why your taskbar might disappear: 1. The taskbar is set to auto-hide and is not visible 2. The explorer.exe process has crashed and the taskbar is completely gone 3. The display resolution or main display changed and caused the taskbar to go off the screen.Why does my task bar keep disappearing?
Explorer.exe Glitch. The "explorer.exe" program is responsible for displaying your taskbar. If it freezes or stops running, your taskbar will disappear. The "explorer.exe" can be restarted from Windows Task Manager.