Forgetting Energy Saver Setting

Hi,
I have an older iMac G-350 Slot Loading machine running OS X 10.3.9 with 576 MB RAM. I had set my machine to automatically start each day at 7 AM, but now I'm not able to turn that off. I've gone into System Preferences, Energy Saver, deauthenticated and turned it off and locked the settings, but it always goes back to turning itself on at 7 AM each day. Any clue why I can't change that?
Thanks!
Donny

If you close the padlock before quitting System Preferences, Energy Saver may not be able to properly write the change; reopen System Preferences, make the change, and then quit System Preferences without closing the padlock. Next, reopen System Preferences and check what the setting is.
Closing the padlock requires that an administrator password be entered before anyone using the computer can change the settings; some setting changes are recorded when you close System Preferences or move to another pane as opposed to recording the change immediately after the change has been made in System Preferences. It does not prevent the computer from changing the settings on its own.
(17218)

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