hi people , iam new to this community, iam a tech guy who likes to take full advantage of the hardware in my hands , so I've been trying to oc the gtx 850m in my laptop for ever i , the cooling system in my laptop is good enough and it should take the oc easily , my max temps at full load are about 70-75C .The thing is i couldn't extract the vbios using gpu-z and i couldn't find the bios any where online , so i need you're help desperately i know its an older laptop but my options are limited and i cant upgrade atm so if you can help me i would really appreciate it , thanks in advance .