keyboad problem, b, n, space,0, all arrow keys

[Monejjaman]

My laptop is Asus X 55A. suddenly I cannt use keyboad keys B, N, Space, all arrow. In this situation What can I do? Plase help me as early as possible.
Thanks,
Monir

 

[noniboy]

Did it happen gradually or unexpectedly? Try to remove and insert again the keyboard. Also you can remove the non-working keys and try to clean the buttons from any dirt. If it doesn't help, a keyboard replacement would be the only solution because the circuit might be damaged.