Clearing CMOS

If the power-on password is unknown, clearing CMOS will disable the password and allow the computer to be operated. 

1 Complete the preparation for disassembly procedures. 2 Remove the hood. 3 To clear CMOS and disable the password, move the jumper at J17 from pins 1-2 to pins 2-3 for 10 seconds, then return to pins 1-2.