Troubleshooting

Symptom Charts/Peripherals (Continued) - 36

Peripherals (Continued)

I/O devices are unrecognized or garbage is transmitted or received

Space bar is hard to press and/or does not work

1Verify that System is 7.1 or later.

2Check floppy adapter and cable connections.

3Test device with known-good computer.

4Replace logic board.

Note: When replacing the logic board, check that the EMI clips are securely attached to the CPU stiffener. The “CPU Stiffener” topic in Take Apart helps you locate and identify the two EMI clips. If both clips are not secure, replace the CPU stiffener.

Loosen keyboard screws. Over-tightening can warp keyboard and restrict movement of space bar.

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Apple 230, DUO 280C, DUO 27C, 250, POWERBOOK DUO FLOPPY ADAPTER manual Peripherals