Step 22 — Modem Filter Board
Before continuing, place a soft cloth on your work surface to rest the computer on. Turn the G4 over and place it on the cloth.
Disconnect the four indicated connectors from the logic board.
The large multicolor cable may be difficult to free.
Step 23
Remove the T8 Torx screw near the heat pipe.
Step 24
Disconnect the two connectors from the modem filter board.