Mac OS X 10.10 Yosemite Full OS Install - Reinstall/Recovery Upgrade Downgrade/Repair Utility Factory Reset Disc CD DVD Drive Tool Disk

welcome to this video today I will be walking you through how to factory reset your Mac computer which will include erasing all data and reinstalling Mac OS now some examples as to situations where you would want to do this number one if you are selling or giving your Mac away you would want to do this also if you need to change the administrator name on the computer there are other ways to do that but I don't recommend them because they can cause future errors and problems this is the correct way to change the name of the administrator and a third situation where you would want to do this is if you are having a software problem and you've confirmed that it's a software issue such as an error message or maybe you've got a bad infection a bad virus or piece of malware you've gone through all the troubleshooting and cannot resolve it this will solve software issues now just to be complete