is it a hp vecrta if so than if its the tower moddel u can add a fan to the back of the case and it will take care of it for u if its the desk top model then there is no place to add the extra fan

look to see if u have a place to pur an extra fan and if u do add one as exhaust
u can get one for 20 - 40 bucks get the bigest one that will fit