It wont Shut Down or Restart

I am having problems with the Shutting or restart option it wont take either command. What can I do to fix the problem?

I am having problems with the Shutting or restart
option it wont take either command. What can I do to
fix the problem?
If you can access the Terminal application, you can type this at the prompt, then hit "enter":
shutdown -h nowThat should attempt to shut down the computer (give it a few minutes). But if you don't have access to the Terminal program, or the computer is totally locked up, you can hold the power key down for about 5 seconds. That should shut the computer down.
When you restart the first time, hold down the "shift" key to reboot in safe mode. That forces the OS to check and repair the hard disk if the shutdown caused any corruption. Or you could boot from your original installation disk and run Disk Utility to check the file system. This article has more information.
good luck,
charlie

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