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I was looking through the System Preferences for Mission Control in OS X Lion (10.7). One of the options had F13 in it but I couldn't find it anywhere.

Where is it?

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2 Answers

up vote 6 down vote accepted

MacBook's don't have the extended keyboard which contains the additional 7 function keys (F13-F19). They're only on Apple's full size ( with numeric keys) keyboard as presented on this photo:

Apple keyboard photo

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Apple laptops don't have function keys higher than F12.

Certain Apple keyboards do, however.

When using an external IBM/PC keyboard, PrtScn/SysRq, ScrLk and Pause Break should map to F13-F15.

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