📢 Newsroom Update

Apple introduces M4 Pro and M4 Max. Learn more >

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

iMac: wipe it clean

How do I wipe clean an old iMac?


And adjunct to that: How do I wipe clean an external hard drive that I use as backup

iMac 27″, macOS 10.15

Posted on Apr 17, 2022 10:03 AM

Reply
Question marked as Top-ranking reply

Posted on Apr 17, 2022 10:06 AM

Do this: What to do before you sell, give away, or trade in your Mac - Apple Support


If you wish to only wipe it, don't install an OS.


External drive: erase/format via Disk Utility


1 reply

iMac: wipe it clean

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.