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Troubleshooting Symptom Charts/Internal Modem - 30
Internal Modem
Internal modem
options do not appear
in CDEV
1 Verify using system software 7.5.2 or later.
2 Verify that correct modem driver is selected in Extensions
folder within System Folder.
3 Remove and reseat modem card.
4 Replace modem card.
5 Replace logic board.
Note:
When replacing the logic board, check that the serial port
EMI clip is attached to the bottom of the CPU stiffener. If it is
missing, replace the stiffener. On international units, also
replace the stiffener if the modem EMI clip is missing. The “CPU
Stiffener” topic in Take Apart helps you locate and identify the
two EMI clips.
Note:
Perform the battery contact alignment procedure when
you replace a logic board. (See Additional Procedures “Align