I have a Samsung NP355E5C-A01AU Notebook running Windows 8. Whenever I press 0 on the number pad it responds with right click. Num lock is on, I have pressed function, I have cleaned under the key, tried updating the driver and also tried remapping the key with a third-party program but nothing works. The 0 key on the top of the keyboard still works but it is impractical to use that all the time. Please help.

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