Stupid Keyboard

A friend asked me to have a glance at his keybord.

When I press some keys to his notepad,something funny appears:

WhenZ button is hit,z`1 appears

WhenX button is hit,x2 appears

WhenC button is hit,c3 appears

WhenB button is hit,vb54 appears

When N,M button is hit,mn67 appears

What happened?

Checking : Control Panel>>Regional & Language Options it is OK

since x-2,c-3,vb-45,mn-67 is near in keyboard respectly,Maybe shorted wire in the cable?

I told him to make an entire cleaning of keyboard,but finally,he bought a new one with RMB 15 only,everything is OK then.

（编辑：李大同）

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