Sims 3 wont run because I need a graphics card?

Whenever I try to open the Sims3, a box comes up saying
Unable to start game device0 cant run this title there is no supported video graphics card detected please check your system hardware.

A couple of days ago I was cleaning out my computer and deleting all the programs I never used, and I think I deleted some sort of graphics exelarator?
How can I fix this problem, I have a Laptop and can’t afford to buy a new one. Im not very good with computers so sorry I can’t give you much information.