I type a letter and I get another symbol

Solution
Turn off your numlock key. The numlock key is at the top of your laptop keyboard and it can be turned off by pressing it once, or pressing fn+numlock

A guide on how to turn off numlock: http://www.top-password.com/blog/3-methods-to-disable-numlock-on-a-laptop-keyboard/ on how to turn it off:

Reyaz123

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May 8, 2015
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Turn off your numlock key. The numlock key is at the top of your laptop keyboard and it can be turned off by pressing it once, or pressing fn+numlock

A guide on how to turn off numlock: http://www.top-password.com/blog/3-methods-to-disable-numlock-on-a-laptop-keyboard/ on how to turn it off:
 
Solution