HP laptop Fan modification, Cooling Mod. fan modbr This cooling mod is a serious upgrade to the stock HP Dv9000. We see from a 10-20 Degree drop in most systems and the cooler they run the longer these HP Dv9000's last. We mod the wifi switch and change the system to have always on wifi and use this switch for the Fan control.br If you would like to have us do this cooling mod for your here are our contact details.br I hope you enjoy this video.