HP T5125 Troubleshooting Guide - HP Compaq t5000 Series Thin Client, 8th Editi - Page 34

BIOS Error Messages

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Diagnostics and Troubleshooting BIOS Error Messages Beep Codes A BIOS beep code indicates that a video error has occurred and the BIOS cannot initialize the video screen to display any additional information. This beep code consists of a single long beep followed by two short beeps. One long beep followed by three short beeps indicates the system is running in boot block recovery mode. If there are no video errors, the system goes directly to POST messages. POST Messages BIOS ROM checksum error System halted CMOS battery failed CMOS checksum error Defaults loaded Procedures The checksum of the BIOS code in the BIOS chip is incorrect, indicating the BIOS code may have become corrupt. To restore a corrupt BIOS, refer to Appendix D, "System BIOS" or call your local HP Call Center for a diagnosis. For phone numbers of an HP Call Center near you, visit the following Web site: http://www.hp.com/cgi-bin/hpsupp ort/index.pl The CMOS battery is no longer functional. For information on replacing the battery, refer to Appendix E, "Replacing the CMOS Battery." Checksum of CMOS is incorrect, so the system loads the default equipment configuration. A checksum error may indicate that CMOS has become corrupt. A weak battery may have caused this error. Replace the battery if necessary. For more information, refer to Appendix E, "Replacing the CMOS Battery." 4-4 www.hp.com Troubleshooting Guide

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4-4
www.hp.com
Troubleshooting Guide
Diagnostics and Troubleshooting
BIOS Error Messages
Beep Codes
A BIOS beep code indicates that a video error has occurred and the
BIOS cannot initialize the video screen to display any additional
information. This beep code consists of a single long beep followed
by two short beeps. One long beep followed by three short beeps
indicates the system is running in boot block recovery mode. If there
are no video errors, the system goes directly to POST messages.
POST Messages
Procedures
BIOS ROM checksum error -
System halted
The checksum of the BIOS code in the
BIOS chip is incorrect, indicating the
BIOS code may have become
corrupt. To restore a corrupt BIOS,
refer to
Appendix D, “System BIOS”
or call your local HP Call Center for a
diagnosis. For phone numbers of an
HP Call Center near you, visit the
following Web site:
ort/index.pl
CMOS battery failed
The CMOS battery is no longer
functional. For information on
replacing the battery, refer to
Appendix E, “Replacing the CMOS
Battery.”
CMOS checksum error -
Defaults loaded
Checksum of CMOS is incorrect, so
the system loads the default
equipment configuration. A checksum
error may indicate that CMOS has
become corrupt. A weak battery may
have caused this error. Replace the
battery if necessary. For more
information, refer to
Appendix E,
“Replacing the CMOS Battery.”