HP Compaq 6005 Pro Business PC Maintenance & Service Manual page 250

4. Locate, press, and hold the CMOS button in for five seconds.
NOTE:
button will not clear CMOS if the power cord is connected.
Figure E-1
NOTE:
Illustrated Parts & Service Map (IPSM) for that particular system.
5. Replace the computer cover or access panel.
6. Reconnect the external devices.
7. Plug in the computer and turn on power.
NOTE:
that configuration changes have occurred. Use Computer Setup to reset any special system setups
along with the date and time.
For instructions on Computer Setup, see the Computer Setup (F10) Utility Guide.
238 Appendix E Password Security and Resetting CMOS
Make sure you have disconnected the AC power cord from the wall outlet. The CMOS
CMOS button
For assistance locating the CMOS button and other system board components, see the
You will receive POST error messages after clearing CMOS and rebooting advising you