Boot computer and hold the Apple/Command and S key. Wait for Terminal to appear Release the keys In Terminal, type: /sbin/mount -uaw Press enter Type: rm /var/db/.applesetupdone Press enter Type: reboot Press enter This will ask you create a new admin account when you reboot.
Note: works for 10.4.
My latest blog post: Think for Yourself: In the end, everything is just an opinion. Be skeptical, and think for yourself! (posted 2026-04-25).