How to fix OpenGl error bad video cards on minecraft.?

I downloaded minecraft from minecraftforfree.com and downloaded INVEdit. I played it yesterday worked fine but this morning it updated and when I tried to delete and play directly off the site it didnt work. Please help. I have windows 7 and its on a new laptopase help.|||When the game updates it removes all mods. Reinstall your mods. And buy the game already.