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PowerBook G4 (12-inch) Troubleshooting -
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Symptom Charts
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.
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.
Important:
This computer starts up only in Mac OS X. Mac OS 9 is not available as a
startup disk and previous versions of the Mac OS should not be installed on this computer.
AirPort Extreme Card
AirPort Extreme Card not recognized
1. Use Software Update in Mac OS X system preferences or see the Apple Software
Updates web page to make sure the latest version of AirPort software is installed.
2. Reseat AirPort Extreme Card and make sure AirPort antenna cable is fully connected.
3. Verify settings in Network Preferences pane.
4. Check that AirPort Extreme Card appears in Apple System Profiler under Network
overview in System Profile.
5. Replace with known-good AirPort Card.
6. Replace logic board.
AirPort communication erratic
1. Use Software Update in Mac OS X system preferences or see the Apple Software
Updates web page to make sure the latest version of AirPort software is installed.
2. Make sure the computer is within antenna range of the other computer or the
network’s access point.
Note:
Nearby electronic devices or metal structures can interfere with wireless
communication and reduce the antenna range. Repositioning or rotating the
computer may improve reception.