Some people prefer this method and others simply find it easier. In a nutshell – a single press of the power button can both turn it on and off. I have created a PDF version of this and a powerpoint presentation, both show you the same thing. They show you clearly each screen and what to do. This was made for Windows 10 but the actual control panel instructions are much the same for Windows 7 & 8.1.
If you need a copy of Adobe reader you can get that here
If you need a copy of Microsoft’s Powerpoint viewer you can get that here