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I don't know what I did but now some keys from the keyboard are not typing the corresponding letter but move the cursor instead. The expected letter is typed if I press the fn key at the same time. With the shift key pressed the funny keys type numbers.

I've read about a similar issue where the numlock key was activated. There is no numlock on this keyboard. I've installed numlockx and run 'numlockx off' : no change! With 'numlockx on' : the funny keys type numbers.

I've tried rebooting off course: nope...

Here an image of the keyboard : keyboard

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closed as off-topic by chaskes, Braiam, Alvar, Lucio, Tom Brossman Nov 29 '13 at 23:23

This question appears to be off-topic. The users who voted to close gave this specific reason:

  • "This describes a problem that can't be reproduced that seemingly went away on its own or was only relevant to a very specific period of time. It's off-topic as it's unlikely to help future readers." – chaskes, Braiam, Alvar, Lucio
If this question can be reworded to fit the rules in the help center, please edit the question.

It is not clear to me from your highlighting, what you have run in the terminal. You should not run run 'numlockx off', instead run numlockx off - without the "run" and without the quotation marks. ...sorry if this sounds stupid, I just want to make sure that your mistake is not there – Paul Hänsch Oct 19 '13 at 17:08
Is this in the upper right corner of your keyboard a "scroll lock" key? If so, it could also have to do with this behaviour. – Paul Hänsch Oct 19 '13 at 17:13
It sounds like your laptop has a built-in way to use certain keys like a keypad, even though it's not marked on the keyboard. My best guess is that fn+scroll lock sets it, but you should get the manual for you model at Sony support. – chaskes Nov 19 '13 at 23:56
The numlock can often also be set to default on or off in the bios. – Alistair Buxton Nov 28 '13 at 2:51
This is not a Sony's issue. It is not happens with Windows. Only in linux. In my case it is Mint Rebecca. – Kostanos Mar 12 '15 at 18:18