Re: HP elitebook 8470p dump urgent !!!

Hey guys I'm wondering if some 1 have bios.bin or bios.rom for hp elitebook 8470w mine was with password and i didn't find a file for it, so i flashed it with 8470p file it booted for 1 hour and now the laptop won't boot up again, motherboard number 686042-001
any help I'll be grateful .