Do you know that your computer's power button does a lot more than merely powering on? Aside from its main purpose of powering on your computer it can be used to shut down, make your computer sleep, hibernate, turn-off the monitor or display, and of course, do nothing.
I've created a very short video tutorials for this one, go on, watch how it is done.
To shut down:
To sleep:
To hibernate:
To turn-off the monitor or display:
To do nothing:
