Integrated cards cannot be upgraded. You can, however, increase the video memory if you are getting slow performance in graphics intensive applications. Go into the BIOS (press F2, Esc, or whatever it says to press at the HP logo), and look around for the video memory.
That laptop will 2 GB. You shouldn't need more than 1 GB if you will not be gaming.
http://www.newegg.com/Product/Produc...82E16820145484
To take out the old RAM, push apart the clips, and lift it up untill its at a 30 - 45 degree angle to the laptop. Then, pull it out. To put the new RAM in, push it in at a 30 - 45 degree angle, then push it down untill it clips into place.