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Special key combinations
If difficulties with your mouse or computer don’t allow you to use standard
methods of quitting a program or restarting your computer, you can try using
these special key combinations.
To do this... …press this key combination
Force a program to quit
x
-Option-Esc
Force the computer to restart
x
–Control–Power key
Here are other key combinations you may find useful:
To do this… …press this key combination
Start a “debugging” program used by software programmers*
x
-Power key
Start the computer from a CD-ROM disc C key (at startup)
Ignore SCSI ID 0 (zero)
x
-Option-Shift-Delete
Turn off system extensions Shift key (while starting up)
Rebuild the desktop Option-
x
(while starting up)
*If you do not have a debugging program installed, your screen displays a caret prompt (>). To return to the desktop,
type “G.”
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Special Keys on Your Keyboard