remember that after we had to flip our Macs over (in some circumstances) to get its serial number off the bottom of the enclosure? … that is a just right thing, as your serial number is one of the first things Apple asks for when you name for toughen.? In all variations of OS X all you want to do is navigate to the blue Apple icon in the menu and make a selection “About this Mac.” …it’s a perfect thought, and you need to use it to show your Mac’s SN making it in reality easy to learn off whilst you call for AppleCare strengthen, etc. .
more: persevered here