hp-zv6100-graphics card upgrade

[dicklaw18]

Hello everyone, im looking to upgrade the graphics card in my laptop. My product number is EC354UA#ABA and its a hp pavillion 6100. The specifications for my laptop are here. http://h10025.www1.hp.com/ewfrf/wc/g...g_R1002_ USEN
id like to know my options for upgrading