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What does 'safe boot' mean?

I am having a problem with my iBook G4. It takes a while for it to boot, and when it does, at the top it says 'safe boot' in red. What does this mean?

iBook, Mac OS X (10.7.4)

Posted on Jul 10, 2012 11:25 AM

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Posted on Jul 10, 2012 11:26 AM

Mac OS X: Starting up in Safe Mode - http://support.apple.com/kb/HT1455


What is Safe Boot, Safe Mode? (Mac OS X) - http://support.apple.com/kb/HT1564


Safe Boot takes longer than normal startup - http://support.apple.com/kb/TS1884


Mac OS X 10.4, 10.5 - Computer shuts down during Safe Boot - http://support.apple.com/kb/TA24054


Safe boot mode runs a directory check command similar to that used by Disk Utility's repair. In OSX 10.4 and later it ignores some stored information (cache) that is normally read that speeds up the boot process, and it moves some caches to the trash. It also uses only System fonts and disables all Startup Items, third party items, and any Login Items. Networking and some video components may also be disabled.

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Question marked as Best reply

Jul 10, 2012 11:26 AM in response to thaddeus76

Mac OS X: Starting up in Safe Mode - http://support.apple.com/kb/HT1455


What is Safe Boot, Safe Mode? (Mac OS X) - http://support.apple.com/kb/HT1564


Safe Boot takes longer than normal startup - http://support.apple.com/kb/TS1884


Mac OS X 10.4, 10.5 - Computer shuts down during Safe Boot - http://support.apple.com/kb/TA24054


Safe boot mode runs a directory check command similar to that used by Disk Utility's repair. In OSX 10.4 and later it ignores some stored information (cache) that is normally read that speeds up the boot process, and it moves some caches to the trash. It also uses only System fonts and disables all Startup Items, third party items, and any Login Items. Networking and some video components may also be disabled.

What does 'safe boot' mean?

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