hi, have this problem:

my friend put admin password on his laptop, and his other friend messesd around with bios options (he said tried going safe mode to bypass password). now everytime when want to log on to windows, blue screen n laptop restarts. i tried setting to default, safe mode, last known working config.. still the same. cant even read wat bsod because too fast restart.

in bios, there is admin password and power on password, i left those blank. do i need to insert previous password? dun want to do anything further before consult here..

help appreciated..