I bought an imac as a gift and my friend cannot get the @ symbol using the shift key , it is a wireless RF 333 mini keyboard ,

Oct 17, 2018
I'd let you know that pretty much all slim keyboards will eventually suffer in high humidity environments, as vapor condensation will begin to get trapped between the plastic membrane where the traces are etched, rotting them away. First symptoms are ghost typing (random letter presses) or multiple letter typing on keys (for example pressing 'e' or 'c' types 'ec'), and eventually dead keys in a cluster