remove battery and hard disk first with clean ram into addition ram insert
step 2 : first power on the laptop to see display on or not (check)
if On laptop
will applied (step 3 method)
step3: power cable insert first Next Insert the '''USB flash''' drive with the '''BIOS''' file into an available '''USB''' port on the '''notebook'''. Press and hold the Windows key and the B key at the same time, and then press and hold the Power button for 2 to 3 seconds. note: On some '''notebook''' models, it might be necessary to press and hold the Windows key and the V key.
any doubt watch this vidoes : https://www.youtube.com/watch?v=zjAZ0DTX3aI
then will not on laptop
step 4: buy sp bios flash toolskit and learn applied bios flash