Troubleshooting Guide

B–4 www.hp.com Troubleshooting Guide

Password Security and Resetting CMOS

3. Remove the computer cover or access panel.

CAUTION: Pushing the CMOS button will reset CMOS values to factory

defaults and will erase any customized settings. It is important to back up

the computer CMOS settings before resetting them in case they are

needed later. Back up is easily done through Computer Setup. See the

Computer Setup (F10) Utility Guide on the Documentation CD for

information on backing up the CMOS settings.

4. Locate and press the CMOS button.

✎

Make sure you have disconnected the AC power cord from the wall

outlet. The CMOS button will not clear CMOS if the power cord is

connected.

CMOS button

✎

For assistance locating the CMOS button and other system board

components, see the Illustrated Parts Map (IPM) for that particular

system.

5. Replace the computer cover or access panel.