Chosen Solution
My Computer is locked into showing the numbers when I type those keys. Can you help?
Sounds like your Num Lock key is set so the keyboard keys are configured in the numeric keypad configuration: The keys M (0), J (1), K (2), L (3), U (4), I (5), O (6), 7, 8, 9. Press the F6 function key that should reset it back to the normal alphanumeric configuration. Here’s the user guide for your system as reference: PowerBook G4 12-inch User’s Guide