Energy Settings/won't sleep

Hi,
I have set my energy settings to "Better Battery Life," which says that my display will turn off after 1 minute and the computer will go to sleep after 5 minutes of non-use. However, the computer never goes to sleep! The display always turns off but it never goes to sleep....
Any suggestions?
PowerBook G4 12"   Mac OS X (10.4.6)   1.5Ghz 512MB RAM

Hi BGreg and Sandman,
First off, thanks for the response! I tried unplugging all of my USB and Firewire Devices... no luck. Yes, I can manually put the computer to sleep by closing the lid or hit the blue apple button and clicking "Sleep."
I don't have a firewall or anti-virus program installed. I am mostly running Microsoft Word, Mail, Safari, and iChat AV.
You said that you performed a clean install. My computer has been cluttered with files and programs for sometime now. I have thought about doing a clean install but don't know how I can keep my files in the process. The programs are no problem as I can re-install them easily. Any ideas?
Thank you both again for you response,
Mike

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    Mar 7 23:02:33 mary-anne-cecilia-p-castanedas-ibook-g4 kernel[0]: Wake event 0020
    Mar 7 23:02:33 mary-anne-cecilia-p-castanedas-ibook-g4 kernel[0]: ADB present:84
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    Mar 7 23:02:33 mary-anne-cecilia-p-castanedas-ibook-g4 kernel[0]: USBF: 16115. 13 AppleUSBOHCI[0x174e800]:oControlTransfer sync request on workloop thread. Use async!
    Mar 7 23:02:33 mary-anne-cecilia-p-castanedas-ibook-g4 kernel[0]: USBF: 16115. 17 AppleUSBOHCI[0x174e800]:oControlTransfer sync request on workloop thread. Use async!
    Mar 7 23:02:33 mary-anne-cecilia-p-castanedas-ibook-g4 kernel[0]: USBF: 16115. 21 AppleUSBOHCI[0x174e800]:oControlTransfer sync request on workloop thread. Use async!
    Mar 7 23:02:33 mary-anne-cecilia-p-castanedas-ibook-g4 kernel[0]: USBF: 16115. 25 AppleUSBOHCI[0x174e800]:oControlTransfer sync request on workloop thread. Use async!
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    Mar 7 23:02:40 mary-anne-cecilia-p-castanedas-ibook-g4 mDNSResponder: Repeated transitions for interface en1 (192.168.1.108); delaying packets by 5 seconds
    so is there something alarming going on while my ibook tries to sleep? does the sleeping problem have anything to do with this:
    Mar 7 23:02:38 mary-anne-cecilia-p-castanedas-ibook-g4 launchd: Server fa4f in bootstrap 1103 uid 0: "/usr/sbin/lookupd"[434]: exited abnormally: Hangup

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  • Mac won't sleep unless Magic Mouse off

    Hi
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    I have the same problem. I have a three month old iMac and bought a Magic Mouse last week. Since then iMac 'mostly' won't sleep (it will sometimes). At first I thought it was Safari with the new mouse, as closing Safari allowed the iMac to Sleep but now I think it is just the mouse.
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  • HT1776 Mac still won't sleep!

    I've tried everything in this article and my Mac (running on OS X) still won't sleep on its own....anything this article is missing that I should try?  I can set the sleep "timer" to have it go into sleep mode, but during the day, the screen won't just go idle/black if I'm away from it for the 5 minute time period I set it to.
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    This is always due to a process keeping the system awake, but determining which is the challenge.
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  • MBP 17" Won't sleep automatically by closing display

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    If you Energy Saver setting is set for some period of time, it may help to reset the PMU (shut down, unplug, remove battery, then hold the power button down for at least five seconds, then reassemble and test).
    Good luck.
    MacBook Pro and Dual 2Ghz G5   Mac OS X (10.4.8)  

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