For the last several months on my Ubuntu machine at work the numpad has not been working. It has been so frustrating. I would turn the numlock on and off and nothing would seem to get it to work.

I thought it was something wrong with the keyboard or possibly after a kernel update one of the drivers changed and killed it for some reason. I was on Hardy and haven’t taken the time to update to Intrepid yet. I just figured after I update to Intrepid it would fix the problem. Turns out it probably would have but I fixed it without having to upgrade yet.

This problem actually has to do with Gnome’s Accessibility settings! I found out that if I type 2,4,6, or 8 on the key pad it moved the mouse around by tiny amounts, almost unnoticeable.

To fix the problem I just went to System -> Preferences -> Assistive Technologies, clicked on Mouse Accessibility, selected the mouse keys tab and unchecked the “Allow to control the pointer with keyboard” option. That fixed it!

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