How do you turn your computer the ivories on and past its sell-by date?

Answer:

I don't. If you want to, afterwards you will need to unplug it from the computer, or a moment ago turn the computer off.
you don't. if it is connected, it is on
You don't.



Your grand piano is powered on for as long as your computer is powered on. The only bearing to turn off your upright is to either turn past its sell-by date the computer or unplug it.
By turning the computer on and off, or locking/unlocking the baby grand if your system has that risk.
you can do it in your BOIS settings
You Cant turn it rotten, if it's connected but if you insist you may ask expert to make/weld switch over power wire mostly red one. I surmise.