Yes, I know I have a similar topic like this, but this one is for my Laptop. I am currently wondering if it would be possible to get a NVidia 6600 for it. My laptop is a HP G71 Notebook PC Model. This is to see if I am able to run Left4Dead. I went on "CAN YOU RUN IT?" and it says my Processor:
Intel(R) Celeron(R) CPU 900 @ 2.20GHz, ~2.2GHz
Can not handle it. If you need any other Information about my Laptop's Graphics, please tell me.