Hey bro am new to this forum and you look like a guy with knowledge,the thing is my bios is locked i have a HP probook 4540s bios that is locked as i forgot its bios password,how can i unlock the bios ? i saw a thread here that had a bios bin file for hp probook4540 ? is it the same file as of SMC.bin that HP provides and if no how do u suggest i reset my laptop bios ? Thanks 