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Erase iMac 2002 G4 without original OS disk

How can I erase my old iMac 2002 G4, without the original OS disks. Have tried restarting holding commend R, which does nothing. It just restarts to normal Home Screen. It’s currently running on 10.4.11

Posted on Oct 19, 2020 10:37 AM

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Question marked as Top-ranking reply

Posted on Oct 19, 2020 11:29 AM

Hi there,


Open System Preferences>Accounts, unlock the lock, click on the little plus icon, make a new admin account, log out & into the new account.

In the same pref pane highlight your old account, click the little minus icon, then use Disk Utility to Secure Erase Free Space.

3 replies
Question marked as Top-ranking reply

Oct 19, 2020 11:29 AM in response to Bodieboo

Hi there,


Open System Preferences>Accounts, unlock the lock, click on the little plus icon, make a new admin account, log out & into the new account.

In the same pref pane highlight your old account, click the little minus icon, then use Disk Utility to Secure Erase Free Space.

Erase iMac 2002 G4 without original OS disk

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