How to factory reset MacBook Pro , macOS 10.13.3
I have an older MacBook Pro ( macOS 10.13.3) and need to know how to do a factory reset
MacBook Pro, macOS High Sierra (10.13.3)
I have an older MacBook Pro ( macOS 10.13.3) and need to know how to do a factory reset
MacBook Pro, macOS High Sierra (10.13.3)
You just need to re-install macOS. Have a look here: How to reinstall macOS - Apple Support
Exactly what year/model is the older one? There are some older models which will require an install DVD as they are not capable of using internet recovery (which is what you need to reset it: if you erase the drive and then reinstall the OS, it will reinstall the original OS it came with).
How to factory reset MacBook Pro , macOS 10.13.3