Computer will not turn off

Hello:
Recently my computer will not shut off. Which unfortunately I must do when it is not in use since I installed a USB 2.0 PCI card (this has disabled the sleep function).
It will get to the blue screen and the spinner just keeps spinning. Last night I waited about 10 minutes until I forced it off by holding the power button on the monitor. Any suggestions?
Thanks!

Hello again!
How full is the Hard Drive? How much Free Space?
I think you should get Applejack...
http://www.versiontracker.com/dyn/moreinfo/macosx/19596
After installing, reboot holding down CMD+s, (+s), then when the DOS like prompt shows, type in...
applejack AUTO
Then let it do all 5 of it's things.
At least it'll eliminate some questions if it doesn't fix it.
The 6 things it does are...
Correct any Disk problems.
Repair Permissions.
Clear out Cache Files.
Repair/check several plist files.
Dump the VM files for a fresh start.
Trash old Log files.

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<Personal Information Edited by Host>

FinchDrive wrote:
I just finished running the AHT and an extended test. Hardware error pointing to the battery on both:
4xxx/40000005: "Battery"
and 4xxx/4/40000005: ◊òä "Battery"
upon the extended test.
Do these codes refer strictly to the battery, or to possibly other components that interact with it?
I can not give you a definitive answer to that. The 'x's' which I have marked should be letters. If so, could you provide them and that may give us a clue:
If that is actually what was generated by the AHT, then I am a bit surprised.
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http://eshop.macsales.com/item/NewerTech/BAP15MBU78W/
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will not turn off the ipod is frozen and I have connected it to the computer and wall charger and neither will kick it out of frozen and the light stays on and will not turn off

Did you also try this?
Will not turn off
Press the Sleep/Wake button.
Learn how the Sleep/Wake button works on iPod nano (6th generation).
If the screen does not go dark, try resetting the device.
copied from iPod nano (6th generation): Hardware troubleshooting

Computer will not turn off

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