Apple PowerBook 165 - Manual (Page 55)

Troubleshooting Symptom Charts/Internal Modem - 31
Internal Modem
Modem does not
respond to incoming
call
1 If computer is in sleep mode, verify that Wake On Ring option
in CDEV is selected.
2 Check phone cord connection and operation.
3 Replace modem card.
4 Replace motherboard.
Modem has no sound
output
1 Verify that Control Panel volume setting is above 0.
2 Replace modem card.
3 Replace interconnect card.
4 Replace motherboard.
Modem connects but
does not communicate
with remote modem
1 Verify that remote modem needs error correction (error
correction is internal modem default).
2 Type “AT &Q0” to disable error correction.