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Technical Reference Guide www.hp.com A-3
Error Messages and Codes
404-Parallel Port Address Conflict Current parallel port address is conflicting with another device.
417-Network Interface Card Failure NIC BIOS could not read Device ID of embedded NIC.
501-Display Adapter Failure Graphics display controller.
510-Splash Image Corrupt Corrupted splash screen image. Restore default image w/flash utility.
511-Fan Not Detected Processor heat sink fan is not connected.
512-Fan Not Detected Rear chassis fan is not connected.
513-Fan Not Detected Front chassis fan is not connected.
514-Fan not detected. CPU fan is not connected or may have malfunctioned.
515-Fan Not Detected Power supply fan not deteted
601-Diskette Controller Error Diskette drive removed since previous boot.
605-Diskette Drive Type Error Mismatch in drive type.
912-Computer Cover Removed
Since Last System Start Up
Cover (hood) removal has been detected by the Smart Cover Sensor.
914-Hood Lock Coil is not
Connected
Smart Cover Lock mechanism is missing or not connected.
916-Power Button Not Connected Power button harness has been detached or unseated from the system
board.
917-Front Audio Not Connected Front audio board not connected
918-Front USB Not Connected Front USB board not conencted
919-Front Panel, MultiPort, and/or
MultiBay Risers Not Detected
Riser card has been removed or has not been reinstalled properly in
the system.
1156-Serial Port A Cable Not
Detected
Cable from serial port header to I/O connector is missing or not
connected properly.
1157-Front Cables Not Detected Cable from front panel USB and audio connectors is missing or not
connected properly.
1720-SMART Hard Drive Detects
Imminent Failure
SMART circuitry on an IDE drive has detected possible equipment
failure.
1721-SMART SCSI Hard Drive
Detects Imminent Failure
SMART circuitry on a SCSI drive has detected possible equipment
failure.
1767-BIOS Update Incomplete BIOS flashing did not complete
Table A-2. (Continued)
Power-On Self Test (POST) Messages
Error Message Probable Cause