Mac OS X 10.5: AirPort may not work after installing Login and Keychain Update 1.0
Symptoms
After installing the Login and Keychain Update 1.0, the computer's AirPort card may not work in Mac OS X 10.5 Leopard.
Products Affected
Mac OS X 10.5
Resolution
Start up in Safe Mode by holding the Shift key during startup.
Once the computer has started in Safe Mode, simply restart again (without holding any keys).
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