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compaq 15-a003sa laptop was problem with bios password … i tried to reprogrammed new bios bin file after that power on no display…. plz help me to fix.. osamu2_cr_hpc mv_mb_v1 board model number. thank u

sivalingam pratheep could be a failed BIOS update. First thing you want to do is to connect an external monitor to the Laptop to make sure that it is not your display that is not working. Once you determined that you external monitor does not show anything as well, you want to follow this link as well as this one to try to recover the BIOS