820-02016 bad keys on keyboard

[Roshon]

820-02016 the A and D are the only keys that don't work the mouse had water damage .
I change mouse and mouse cable and new keyboard same problem i even change the mouse darter board still no A or D keys

 

[2informaticos]

If only 2 keys are bad, that should be keyboard problem.
Any problem related with a row, or column matrix will cause more bad keys.

 

[Roshon]

i bought 2 new keyboard's and the same problem

 

[Roshon]

why just A and D keys missing. nothing else do i need to bye a case with keyboard and mouse with daughterboard