Some keys on my hp labtop keyboard are not working what should i do

[Wizzywilly]

i have a problem with my HP laptop Keyboad, some keys are not working and when i open to type, a u fills the whole page authomatically. please i need help.

 

[pcunite]

This is almost always the result of debris underneath a key. Use a shop vac blower to clean the area with air. If that does not work, you'll need to use a tooth pick or small brush very carefully to remove the offending food or paper particle.