The standard HP / Compaq steps to clear CMOS & Password settings:
Follow these steps to clear the CMOS settings
- Turn off the computer and unplug the power cord.
- Move the CLEAR CMOS/CLEAR P.W. jumper cap from pins 2-3 to pins 1-2.
- Plug in the power cord and turn on the computer for five seconds.
- Turn off the computer again and unplug the power cord.
- Move the CLEAR CMOS/CLEAR P.W. jumper cap from pins 1-2 to pins 2-3.
- Plug in the power cord and turn on the computer.
- The CMOS settings are now clear. To enter BIOS setup, press the F10 key when the first screen displays upon system setup.
You should search for this using the specific model of PC you have so that you can locate the correct jumper (although it might be printed on the inside of the removal side / top panel).
SD