Hi everyone I registered on the forum because I think that there are people very prepared to modify BIOS, I wanted to ask if you can change the BIOS of my laptop Samsung NP300E5A should disable the Nvidia video card GT520MX because I need to preserve the battery. I tried to change it via Phoenix / Dell / EFI v2.11 Slic but I do not know if I changed the parameters fine to turn off the video card .. Therefore I ask you for help. I hope you give me a hand. Thank you again .. Unfortunately I'm not attach the file of the bios ROM. I don't have a permissions