Apple pbg4 ge Servicehandbuch
Troubleshooting
Symptom Charts/How to Use the Symptom Charts - 1
Symptom Charts
How to Use the Symptom Charts
The Symptom Charts included in this chapter will help you
diagnose specific symptoms related to the product.
diagnose specific symptoms related to the product.
The steps to solve a symptom are listed sequentially. You might not
need to perform every step before the symptom is solved. Start
with the first step, and then test for the symptom. If the symptom
persists, replace any modules you removed, go to the next step,
and test again. Continue down the list until the symptom is solved.
need to perform every step before the symptom is solved. Start
with the first step, and then test for the symptom. If the symptom
persists, replace any modules you removed, go to the next step,
and test again. Continue down the list until the symptom is solved.
AirPort Card
AirPort Card not
recognized
recognized
1
Use Software Update control panel or see the Apple Software
Updates web page to make sure the latest version of AirPort
software is installed.
Updates web page to make sure the latest version of AirPort
software is installed.
2
Boot using Mac OS All extensions setting.
3
Reseat AirPort Card.
4
Remove and reinstall the AirPort software.
5
Replace with known-good AirPort Card.
6
Replace logic board.
Battery
Battery will not eject
1
Flip over the unit and release the battery latch by sliding the
latch towards the PC Card button.
latch towards the PC Card button.
2
If the battery still will not eject, while holding the latch
towards the PC Card button, use a small plastic flat-blade
tool to pry the battery around the battery latch.
towards the PC Card button, use a small plastic flat-blade
tool to pry the battery around the battery latch.
3
Verify proper latch operation, by exercising the latch. If it
does not move smoothly or evenly, replace rib chassis
assembly.
does not move smoothly or evenly, replace rib chassis
assembly.
4
If the latch does exercise correctly, verify that the customer
is not installing the battery with excessive force.
is not installing the battery with excessive force.
DVD-ROM Drive
DVD disc icon does not
show up on desktop,
or a dialog box
appears to initialize
disc
show up on desktop,
or a dialog box
appears to initialize
disc
1
Use Software Update control panel to update firmware.
2
Try cleaning the disc. If it is dirty or scratched, it may not
mount.
mount.
3
Try a different disc.