Restart Modem (Router) From Your Pc or From A Friend Computer(PC):
Sometimes You need to restart your modem, it may be any reason, including your internet Speed is Slow, or you angry with your Friend and want to disturb him.Just kidding. Don't do.
if the Router(Modem) is far from you and you want to restart it, so you go there. and off it and then on it.
However it will be very convenient