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Troubleshooting Symptom Charts/ Modem - 6 4
Modem
The internal modem is
not recognized
1 Make sure the correct CCL and extension files are installed.
2 Reseat the modem and modem cable.
3 Reinstall the CCL and modem extension. If the problem
persists, reinstall the system software.
4 Clear parameter RAM. Hold down Command-Option-P-R
during startup until you hear a second startup chime.
5 Replace the modem.
System reports a No
Dial Tone error
message
1 Verify the modem phone cable is securely connected at the
computer and the wall jack.
2 Verify the phone line is operational.
3 Replace the modem phone cable.
4 Reseat the modem and internal modem cables.
5 Replace the modem.