input on letter A error has anybody encountered this?

when i press my macbook air keyboard and press A

it enters in a text pad qz1 and it lowers the brightness

sometimes its qz1` and then lowers the brightness.

Ive tried the option command p+ r
did not know if it worked, still encountring the same issue.
Now im using an external keyboard my worry is that if I dont have my keyboard my A doesnt work.