Hi! im from argentina(sorry for the bad english) and i recently bought an LENOVO G470 and i want to play a several games and with the intel hd 3000 you dont have the option to increase de dedicated memory also you cant modify the bios(InsydeH20 rev 3.5)...can you help me to unlock the bios to change the advanced settings? BIOS: Insyde EFI VersiĆ³n del BIOS 40CN32WW(V2.18) Fecha del BIOS del sistema 05/11/2012 Fecha del BIOS de video 01/02/11 Fabricante del BIOS Nombre de la empresa Insyde Technology, Inc. if you just can unlock me the advanced settings i will very greatfull!thank you