User Guide

30 - Mac mini Troubleshooting

Symptom Charts

Modem

No modem dial tone

1. Check that the internal modem is selected. Check System Preferences: Network

setup.

2. Verify known-good analog (not digital) telephone line.

3. Verify known-good RJ-11 telephone cable.

4. Verify RJ-11 cable is not plugged into Ethernet port.

5. Inspect RJ-11 connector and modem port for pin damage.

6. Verify RJ-11 telephone cable is ﬁrmly installed in the modem port.

7. Verify RJ-11 connector is plugged into the modem board on the logic board.

8. Replace RJ-11 connector/cable.

9. Replace modem.

10. Replace the logic board.

Cannot send fax

1. Check that Network connection in System Preferences is set to Internal Modem.

2. Refer to Knowledge Base article 25746: Mac OS X 10.3: Fax doesn't send.

Cannot receive fax

Check that “Receive faxes on this computer” is selected in the Print & Fax area of System

Preferences.

25731: Mac OS X 10.3: Receiving faxes and connecting to the Internet

25596: Mac OS X 10.3: About Receiving Faxes.

Modem drops connection

1. Try known-good phone line.

2. Refer to Knowledge Base article 106748: Mac OS X: Troubleshooting a dial-up/PPP

Internet connection.