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I've enabled by mistake the Fn like Caps Lock and now if I press shift + 0, I get / char instead of = because I have a notebook with Fn.

So, the only way to disable the Fn function is to press it. How can I disable it to return to it's original state?

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2 Answers 2

It was the Bl Num / Bl Scor key

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I just had this happen on 12.04.

What happened was I connected a USB keyboard and on that keyboard, I pressed the Num Lock key. Once I disconnected the USB keyboard, it was like the function key was always selected when I used the keyboard on my laptop.

To fix, I connected the USB keyboard again and hit Num Lock and that reverted it.

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