Apple 250, DUO 280C, DUO 27C, 230 manual Troubleshooting Symptom Charts/Peripherals

Troubleshooting Symptom Charts/Peripherals (Continued) - 35

Peripherals (Continued)

Device connected to mini-DIN-8 port does not work

1Verify that External Modem is selected in PowerBook Control Panel.

2Verify that System is 7.1 or later.

3Check cables.

4Test device with known-good computer.

5Replace 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.