Trying to erase my iMac using Disk Utility but the Erase button remains greyed out. what do I do?
Trying to erase my iMac using Disk Utility but the Erase button remains greyed out. what do I do?
Question marked as
Are you booted to the Recovery partition or an external drive?
How to erase a disk for Mac
"How to erase your Intel-based Mac" [was: "Use Disk Utility to erase (format) a hard disk, flash drive, or other storage device for Mac."]
https://support.apple.com/HT208496
How to erase a Mac with Apple silicon. Click here --> https://support.apple.com/HT212030