My computer makes a weird sound sometimes like every once orso per 15 seconds, like if its loading something huge i cant really explain the sound but it sounds like a buzzing noise thing. And sometimes my computer screen freezes for like 1 second and specially when i play a game. My stephfather cleaned the comp inside from dust but didnt help. What is this, im really stressed!! 
( And it sonly 2/3 months old ).
Thanks for the answers. ill check it out!
( And it sonly 2/3 months old ).Thanks for the answers. ill check it out!