My IBM lap top key board do not work properly

[tade]

Hello,my Lap top do not work properly, i.e. when i press i it returns 5 and so forth what the problem and solution of this?
Thanks in advance>

 

[1haplo]

Look at the "i" key you will notice that the "5" is on the key also, You can turn on and off number lock, (NUM lock) or press FN+scrLK.