Most Mac users will sell off their old Macs after few years of usage, and top up the difference to get a new one. Usually what happened is, they will forget to clear off their personal data before selling, leaving it vulnerable to misuse.
Here, we will show you how to factory reset a Mac, in order for the new users to get a fresh start. This tutorial will be similar and can be used across all models of Mac, including:
- MacBook
- MacBook Air
- MacBookPro
- iMac
- Mac Pro
- Mac mini
Some may consider to remove their account from the system and set up a new administrative account, but the safest way would be to fully format your system and reinstall OS X.
1. Backup
Before you do anything crucial on the system, especially when you want to do a factory reset, do spend some time to completely backup your data. This can be done with Time Machine or a system cloning tool to get full copy of your data, so you can migrate and restore it in the new system.
