Diagnosing and Resolving Mac OS X Boot Problems #

If you've ever been confronted with a grey screen and what looks like a "stop" sign (AKA "prohibitory" sign - see photo above) upon starting OS X, here are some hints:

"Broken folder" icon, prohibitory sign, or kernel panic when computer starts
Your Mac won't start up in Mac OS X
Computer won't start up after resetting PRAM (for those who use RAID)

/mac | Nov 24, 2005

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