hello, I have a hpg62-b53st laptop.it has amd phenom x2 n620 2.80 ghz processor.i planned to upgrade its cpu and gpu.and i found a video about unlocking hidden/unusing 2 cores . and i watced it.the man updates bios and increases core voltage and unlocks 2 hidden cores on his pc with amd phenom x2.so the pc becames amd phenom x4.i downloaded that bios and flashed into usb. and i saw, Bios does not support flash interface!!!" without quotes.so i understand that i couldnt be able to update bios.help plz i want to unlock that 2 cores and get better gaming performance.