Apple POWERBOOK DUO FLOPPY ADAPTER Laptop User Manual


 
Troubleshooting Symptom Charts/Peripherals (Continued) - 36
Peripherals (Continued)
I/O devices are
unrecognized or
garbage is
transmitted or
received
1 Verify that System is 7.1 or later.
2 Check floppy adapter and cable connections.
3 Test device with known-good computer.
4 Replace 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.
Space bar is hard to
press and/or does not
work
Loosen keyboard screws. Over-tightening can warp keyboard and
restrict movement of space bar.