This video shows you where the bios battery is in the HP Laptop G62-435X computer. A bad bios battery can stop your computer from booting properly and give you the dreaded black screen of death. If all other fixes have failed, this may be a last ditch hail marry to pass to try to save your favorite notebook computer, but is it worth it? It depends on the laptop and the level of your confidence and motivation, but do not tread hear if weak at heart because this is a very difficult procedure. It requires removing the keyboard, RAM, hard drive disc and mother board and just about every screw in the entire computer just to get to this little gem here, the bois battery? Are you ready for a real adventure? Get your anti-static protection on, and lets delve in to depths of the bowels of this machine and see what we find.