PowerBook (FireWire): Computer Does Not Recognize FireWire Devices

Under certain circumstances, a PowerBook (FireWire) computer may not recognize FireWire devices. This article tells how to resolve the situation.
Symptom

A computer stops responding "freezes," and after it is restarted it does not recognize any FireWire devices.


Solution

Install PowerBook Firmware Update 2.7, available from the Apple Software Updates Web site at http://www.apple.com/swupdates.
Published Date: Feb 20, 2012