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How to hack Apple keybaord model A1243 (aluminium keyboard) to have Insert key on Fn button?

I've updated system to Kubuntu 13.10 and my keyboard stop working as usual. I've read https://help.ubuntu.com/community/AppleKeyboard and Function keys in Apple Keyboard don't work as expected, tried echo 2 > /sys/module/hid_apple/parameters/fnmode without success.

I don't want to remap F13 to Insert, or use Fn+Enter as Insert. On my last system (12.04 or earlier) Fn as Insert was working, but I cannot remember how I've hack it...

xev doesn't even report Fn key.

Can anyone help me?

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1 Answer 1

The simple answer is: you can't remap Fn key.

The long answer...

The purpose of Fn (short for function) key is quite different: for example to change display or audio settings quickly, such as brightness, contrast, or volume, and is held down in conjunction with the appropriate key to change the settings. When you press only the the Fn key, this doesn't send any data to the computer and for this reason xev can't detect it.

According with this post, in general there is no way to know that Fn was pressed and the keycode of key-combinations including Fn depends on the individual keyboard design.

So unfortunately, you can't remap it to another key.

More about: http://en.wikipedia.org/wiki/Fn_key.

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