Dvd burning problems. im using acer 5920 laptop and my dvd driver is dvd super multi dl,when i

Question

im using acer 5920 laptop and my dvd driver is dvd super multi dl,when i first time tried to burn my dvd i was sucessfull with it i burned it through divx player,but now when i insert a disc the disc driver is making to much noice like its hitting something and burrning softwear shows that please inseart a disc while disc is inside only one the cd tray and its making noise again and again........plz let me know m sick of this now m tyring since one week plz help me..