Laptop Inspiration 15 keeps typing letter P by itself

[Dhuni]

Laptop Keeps typing letter P continuesl if I press once, 1st time if I press key P it doesn't show but second time it's start typing continuesly

[JOcean]

What is the exact model number of your system and have you tried an external keyboard? If the external keyboard works properly then it would appear the laptop keyboard is defective and needs to be replaced.