Q:

Dead pool fatality doesn't work in Mortal Kombat 2

I am running good old Mortal Kombat 2 under DosBox :) I have trouble executing the Dead Pool fatality:

hold LK+LP then uppercut
  (D+HP)

The fatality doesn't execute. When I try the sequence during the fight situation (not yet the "Finish him" part), it seems that the uppercut itself won't execute. I am holding LK + LP, pressing D will crouch me, but pressing HP won't do anything. The uppercut wouldn't execute!
Am I doing anything wrong? Or could this be a keyboard problem? That good old keyboards in those good old days would allow for multiple keys pressed and still send correct codes, but perhaps the new keyboards cannot make it? (Is there no standard for this?)
I am trying it on DELL Latitude D530. The key mapping I have is LK=a, LP=s, D=k, HP=w.

A:

Use keyboard testing software to check if your keyboard recognizes multiple keys being pressed at the same time. If your keyboard does not recognize certain keys being pressed at the same time, try remapping to keys that your keyboard does allow.
AutoHotkey is also an option to map multiple keys to one key.

