A–6 www.hp.com Troubleshooting Guide
POST Error Messages
410-Audio Interrupt
Conflict
IRQ address conflicts
with another device.
Reset the IRQ.
411-Network
Interface Card
Interrupt Conflict
IRQ address conflicts
with another device.
Reset the IRQ.
501-Display
Adapter Failure
Graphics display
controller.
1. Reseat the graphics card
(if applicable).
2. Clear CMOS. (See Appendix B,
“Password Security and Resetting
CMOS.”)
3. Verify monitor is attached and turned
on.
4. Replace the graphics controller.
510-Splash Screen
Image Corrupted
Splash Screen image has
errors.
Install latest version of ROMPaq to restore
image.
511-CPU, CPUA, or
CPUB Fan not
Detected
CPU fan is not connected
or may have
malfunctioned.
1. Reseat CPU fan.
2. Replace CPU fan.
512-Chassis, Rear
Chassis, or Front
Chassis Fan not
Detected
Chassis, rear chassis, or
front chassis fan is not
connected or may have
malfunctioned.
1. Reseat chassis, rear chassis, or front
chassis fan.
2. Replace chassis, rear chassis, or front
chassis fan.
514-CPU or Chassis
Fan not Detected
CPU or chassis fan is not
connected or may have
malfunctioned.
1. Reseat CPU or chassis fan.
2. Replace CPU or chassis fan.
601-Diskette
Controller Error
Diskette controller
circuitry or floppy drive
circuitry incorrect.
1. Run Computer Setup.
2. Check and/or replace cables.
3. Clear CMOS. (See Appendix B,
“Password Security and Resetting
CMOS.”)
4. Replace diskette drive.
5. Replace the system board.
Numeric Codes and Text Messages (Continued)
Code/Message Probable Cause Recommended Action