How to reset bios

in laptop the password bios is stored in IC like eeeprom you cant clear it by removing the cmos battery

in your model c50

you will have in motherboard 2 IC with name Winbond 32 and 16

you must pull out the winbond 32 (8pins) with hot air then put it in a programmer

then you must search for bios file with extension bin or rom and programme it into the IC

this is the only way to remove bios password

you need a tech