HP Dc5800 Service Reference Guide: HP Compaq dc5800 Business PC - Page 202

D-1

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4. Locate, press, and hold the CMOS button in for five seconds. NOTE: 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. Figure D-1 CMOS button NOTE: 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. 6. Reconnect the external devices. 7. Plug in the computer and turn on power. NOTE: You will receive POST error messages after clearing CMOS and rebooting advising you 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. 194 Appendix D Password Security and Resetting CMOS

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4.
Locate, press, and hold the CMOS button in for five seconds.
NOTE:
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.
Figure D-1
CMOS button
NOTE:
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.
6.
Reconnect the external devices.
7.
Plug in the computer and turn on power.
NOTE:
You will receive POST error messages after clearing CMOS and rebooting advising you
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
.
194
Appendix D
Password Security and Resetting CMOS