getting any game to work with integrated graphics is hard, but getting any game to work WELL with integrated intel graphics is almost impossible. even if it was enabled, it would still be terrible.
since i know you will keep bugging us, here is a graphics card "emulator" that makes your pc think it has another card, this software is old though, and it wont really help much. feel free to try.
here is a thread about it (notice its dated 2009)
http://tomorrowsgaming.com/hardware-software/2719.htm
also, if im breaking any forum rules im unaware of by posting this link (im new) please let me know, and i will just delete the post.