in new hp pavillion 8.1 letters repeat when typed

[HAWGDRIVER]

trying to type and many letters repeat as many as five times. spend more time deleting extra letters than doing the work. also, some letters don't type and i have to go back and check spelling because of the missed letters. HELP

 

[_Blink]

Hey

Try this:
http://www.tomshardware.com/answers/id-2263227/keyboard-keys-repeating.html

Hopefully that helps the multiple keys problem.
As for the "some letters don't type".
Try this: http://www.tomsguide.com/answers/id-2051906/type-character-keyboard.html

Hope that helps, let me know