Troubleshooting Guide

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