Is it possible to upgrade laptop graphics from integrated to dedicated?

My laptop's video card is broken. It would be too expensive to repair it, so I want to know if it is possible to add a dedicated graphics card to a laptop motherboard that already has an integrated graphics chip. Basically the question is if there is some place where it can be inserted. I know somebody who would be able to do this for me and open up the laptop, I'm just wondering if it's possible without modding the motherboard itself. Thanks.|||No you cannot not do it do not try you will destroy the laptop.