!! URGENT!I need to find cheap mother boards or video card ...?

I have a Dell xps M1330 and it has vertical lines on my computer and i took to 2 repair centers and they charging me 250 bucks for some video card or graphics card... I need to fix my laptop that my ex neighbor gave me because i have to have it working for school for this important paper and my stuff is in there plz reply if u can help me find cheap mother boards or video cards or graphics which i think is the same thing plz i dont have a lot of money ... i hvae only 100 bucks no job nothing....|||Go to TigerDirect.com.|||computergeeks.com