Hold down the keys until you get the cue indicated in parentheses.
- Turn off system extensions
- Shift (until "Welcome to Macintosh - Extensions Off")
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- Rebuild desktop files
- Command-Option - (until alert)
-
- Starting Up From a CD-ROM
- Hold down the lower-case "c" key at startup, [general Mac] OR: Bypass startup device - Command-Option-Shift-Delete - (until "Welcome" screen) -- [iMac]
-
- Eject disk
- Mouse button - (until disk ejects)
-
- Close all windows
- Option - (during desktop build)
-
- Disable virtual memory only
- Command - (until Welcome screen message)
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- Disable startup items only
- Shift - (After loading extensions)
-
- Open Extension Manager
- Space bar
-
- Rebuild Hard Drive Desktop
- Command-Option keys while Starting or restarting
-
- Reset The Parameter RAM (PRAM)
- Command-Option-P-R + Startup or restart.
- Release the keys after second startup chime or beep.
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- (Default settings - serial port speeds, default application font, mouse scrolling rate, etc. - are stored in PRAM.
-
- Zap the PRAM to clear these settings and reset them to default values, then reset your control panels' settings - including Virtual Memory and Appletalk, both active by default.)
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