Apple M4753 Laptop User Manual


 
Troubleshooting Symptom Charts/Modem - 29
Modem
No dial tone 1 Verify known-good analog (not digital) telephone line.
2 Verify cable is not plugged into Ethernet. Modem is located on
the left side of unit, in front of PC card doors.
3 If using Apple Remote Access 3.0, select Ignore Dial Tone in
the modem control panel. If the modem connects with this
setting selected, try another phone line. If using a terminal
or communications program, enter atx1 to disable tone
detection. To reset the modem back to the factory settings,
enter atz.
4 Replace modem.
No internal modem
selection available
1 Verify unit has modem (under door on left side of unit).
2 Remove keyboard and verify modem is properly connected.
3 Verify correct modem software is installed and selected.
4 Replace modem.