If Keyboard Volume keys are not working on your Windows computer, then follow the solutions mentioned here to resolve the issue.

The problem with volume buttons and hotkeys on Asus computers is quite common among its users. If the sound system on your PC is not working properly and volume function buttons on your keyboard don't ...

Is your Volume Shadow Copy service not working? Firstly, check if the service is already Enabled. If yes, then address the issue based on the type of the error.