im trying games like grant thift ,need for speed etc or try to edit a video with dvd maker or any video maker they can not open ...they sometimes say CANNOT FIND ENOUGH AVAILABLE VIDEO MEMORY ....i dont understant what is that------so what can i do ,im using TOSHIBA F3607 gw processor Intel (R) Core (TM) i5CPU- RAM 4GB - HDD 300GB -System type 32-bit Operating system ,,,,,using windows 7 Ultimate