You’ve set up your new Mac, and now need to prepare the old one for disposal, maybe to a friend, relative or someone buying it, or to go for recycling. What to do next,
disposal
Step by step guide to passing your Mac on or recycling it. Use EACAS where available. Don’t use .AppleSetupDone which doesn’t work in macOS 14 anyway.
A simple task: deauthorise an M1 Mac mini to hand on, then use EACAS to wipe it ready for its next user. But deauthorisation wouldn’t work.
If you plan to trade in or pass on your old Mac when you upgrade to a new one, there are pitfalls in ensuring you don’t lose any data, while ensuring your old Mac is completely wiped.
Passing your Mac on to a new owner has got much easier and more reliable in Monterey – so long as it has got a T2 or M1 series chip.
What do you need to do before selling or giving away your Mac to someone else? Here’s a summary, covering all from Intel to M1 models.
Got a new Mac? Unless you’re going to keep the old one, you’ll be passing it on, selling it, or recycling. Here’s how to prepare the old Mac to go away.
How to prepare your Mac to pass on to a close relative, a purchaser, or even for recycling.
The drive light is green, the disk can be heard spinning, but it does not mount. Is it dead?
How can I make the files on a dead hard disk unreadable before I discard it?
The Eclectic Light Company 