Specifications

Troubleshooting Symptom Charts/Misc. Symptoms - 11
computer.
Note: Make sure the reset button is not caught under the button
opening.
Warning: Resetting the power manager will permanently
remove a RAM disk, if present, and all of its contents. You will
also need to reset the date and time (using the Date & Time
control panel).
4 Try unit on battery power. If problem goes away, replace
power adapter.
5 Place a Mac OS system CD in the optical disc drive, press the
start button and hold down the “C” key. Check the cursor
movement, to see if the problem is software.
6 Check trackpad cable and connection to the logic board (see
separate Top Case replacement instructions for location
under RAM shield).
7 Replace top case.
8 Replace logic board.
The microphone is not
working
1 If in Mac OS 9, check the Sound control panel and verify that
the selection for input is the built-in microphone.
2 Check the signal level and level meter and adjust the gain.
3 If in Mac OS 9, remove Sound Preferences from the
Preferences folder and restart.
4 Reset PRAM (Press the power button, then hold down the
Option-Command-P-R keys until you hear the startup chime
at least one additional time after the initial startup chime).
5 Verify microphone cable connection to logic board.
6 Replace display assembly (which includes the microphone).
7 Replace logic board.
The latching
mechanism that holds
the display closed is
not working
Note:
As the display closes against the top case, a hook in the top of
the display housing should be magnetically pulled down into a slot
in the top case, and secured. When the latch button is pushed, the
hook should release and retract into the display housing, allowing
the display to open.
1 Verify hook operation by exercising the latch mechanism.
2 If the hook does not operate properly, replace the display
assembly.
3 If the latch or latch button does not operate properly, replace
the top case assembly.