HP Dc7100 Troubleshooting Guide - Page 70

run Computer Setup or Windows - motherboard

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POST Error Messages Numeric Codes and Text Messages (Continued) Code/Message Probable Cause Recommended Action 912-Computer Cover Has Been Removed Since Last System Startup Computer cover was removed since last system startup. No action required. 914-Hood Lock Coil is not Connected Smart Cover Lock mechanism is missing or not connected. 1. Reconnect or replace hood locking mechanism. 2. Reseat or replace hood locking mechanism cable. 916-Power Button Not Connected 917-Front Audio Not Connected 918-Front USB Not Connected 919-Multi-Bay Riser not Connected 1151-Serial Port A Address Conflict Detected Power button harness has been detached or unseated from motherboard. Front audio harness has been detached or unseated from motherboard. Front USB harness has been detached or unseated from motherboard. Riser card has been removed or has not been reinstalled properly in the system. Both external and internal serial ports are assigned to COM1. Reconnect or replace power button harness. Reconnect or replace front audio harness. Reconnect or replace front USB harness. Reinsert riser card. 1. Remove any serial port expansion cards. 2. Clear CMOS. (See Appendix B, "Password Security and Resetting CMOS.") 3. Reconfigure card resources and/or run Computer Setup or Windows utilities. A-8 www.hp.com Troubleshooting Guide

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A–8
www.hp.com
Troubleshooting Guide
POST Error Messages
912-Computer
Cover Has Been
Removed Since Last
System Startup
Computer cover was
removed since last system
startup.
No action required.
914-Hood Lock Coil
is not Connected
Smart Cover Lock
mechanism is missing or
not connected.
1. Reconnect or replace hood locking
mechanism.
2. Reseat or replace hood locking
mechanism cable.
916-Power Button
Not Connected
Power button harness has
been detached or
unseated from
motherboard.
Reconnect or replace power button
harness.
917-Front Audio Not
Connected
Front audio harness has
been detached or
unseated from
motherboard.
Reconnect or replace front audio harness.
918-Front USB Not
Connected
Front USB harness has
been detached or
unseated from
motherboard.
Reconnect or replace front USB harness.
919-Multi-Bay Riser
not Connected
Riser card has been
removed or has not been
reinstalled properly in the
system.
Reinsert riser card.
1151-Serial Port A
Address Conflict
Detected
Both external and
internal serial ports are
assigned to COM1.
1. Remove any serial port expansion
cards.
2. Clear CMOS. (See
Appendix B,
“Password Security and Resetting
CMOS.”
)
3. Reconfigure card resources and/or
run Computer Setup or Windows
utilities.
Numeric Codes and Text Messages
(Continued)
Code/Message
Probable Cause
Recommended Action