Keyboard vol. keys sometimes don't work after 10.4.8 update.

After updating to 10.4.8, my keyboard vol. & mute keys work sometimes and sometimes not. I think it may have to do with the order I do things after startup. They either work the rest of the time until I shut down the computer or they don't (the status doesn't change while the computer is running). Any similar problems or suggestons for causes?

Stanley:
If you did not Repair Disk Permissions after your last install go ahead and do that. (Applications > Utilties Folder > Disk Utility).
If that does not fix it, boot from your install disk, go to the Utilities menu and open Disk Utility. Run Repair Disk.
Please let me know if the problem persists after the above procedures.
Good luck.
cornelius

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