Keyboard Space Bar

the space bar on our G4 will not move the cursor (in Appleworks,Text Edit or renaming in iTunes) but if the computer is "Sleeping" depressing the space bar will "awaken" the computer. I tried the keyboard from our G5 and it works OK on the G4.
Any ideas.
Scott

Hi, Scott -
A thought... the Spacebar may be able to send a 'key-pressed' signal to wake the machine up (pressing any key should wake a machine), but for some reason no longer generates a 'space' signal. The way the Spacebar 'moves the cursor' is by entering the text character 'space'.
That theory would seem to be supported by the keyboard from the G5 working on the G4.
Try using the keyboard from the G4 on the G5 - does it still have the same problem then?
If so, the problem would be in the keyboard itself, and would be a hardware fault, not a software one. Such a fault could be created by corrosion from spilled liquid, or even from dirt. It could also be caused by having had something plugged into the keyboard that overloaded its power-passing capability. Usually the only solution to a fault of that kind is to replace the keyboard.

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