Apple POWERBOOK DUO FLOPPY ADAPTER Laptop User Manual


 
Troubleshooting Symptom Charts/Internal Modem (Continued) - 40
Internal Modem (Continued)
Modem interferes
with system sound
1 Remove and reseat modem card.
2 Replace modem card.
3 Replace logic board.
Note: When replacing the logic board, check that the EMI clips
are securely attached to the CPU stiffener. The “CPU Stiffener”
topic in Take Apart helps you locate and identify the two EMI clips.
If both clips are not secure, replace the CPU stiffener.