Disk utility ERASE grayed out on 2009 iMac that I'm trying to recycle
Do I need to start up from a CD, or is there a way I can erase the hard drive if it's the start up disk?
Earlier Mac models
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The Apple Support Community will permanently close on November 20, 2026. Starting today, the site will no longer accept new posts and is available in a read-only state.
You can continue to find trusted guidance and support on the official Apple Support site.
We want to thank the community members who have contributed their time and expertise to help others with their Apple products.
Do I need to start up from a CD, or is there a way I can erase the hard drive if it's the start up disk?
Earlier Mac models
You cannot erase a drive you are booted from.
Boot into Restore mode,CMD+r keys...
Look at top of screen for Utilities menu...
In Disk Utility>View, select Show all Devices, highlight the top left entry.
Did you do these???
What to do before you sell, give away, trade in, or recycle your Mac - Apple Support
Disk utility ERASE grayed out on 2009 iMac that I'm trying to recycle