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MacBook (13-inch) Troubleshooting — Symptom Charts 324
Symptom Charts
When to Use the Symptom Charts
Before turning to the symptom charts, you should have completed the following steps on the
Apple General Troubleshooting Flowchart:
Gather information
Verify the problem
Try quick xes
You consult the symptom charts as part of the Research troubleshooting step (and sometimes as
part of the Try Quick Fixes step).
How to Use the Symptom Charts
The Symptom Charts included in this chapter will help you diagnose specic symptoms related
to the product. Cures are listed on the charts in the order of most likely solution: try the cures in
the order presented. Verify whether or not the product continues to exhibit the symptom. If the
symptom persists, try the next cure.
Note: If a step instructs you to replace a module, reinstall the original module before you
proceed to the next step.
AirPort Extreme Card not recognized
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.
Check Network pane in System Preferences to verify AirPort port is selected.
Reseat AirPort Extreme Card and make sure AirPort antenna cables are fully connected.
Remove and reinstall the AirPort software.
Replace with known-good AirPort Extreme Card.
Replace logic board.
Poor AirPort reception
Refer to Knowledge Base article 88258 “PowerBook G4: How to Optimize AirPort reception”.
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