HP Compaq dx7200 MT Reference Manual page 168

POST Error Messages
POST Error Messages (Continued)
Screen Message
304-Keyboard or
System Unit Error
404-Parallel Port
Address Conflict
Detected
410-Audio Interrupt
Conflict
411-Network Interface
Card Interrupt Conflict
501-Display Adapter
Failure
510-Splash Screen
image corrupted
511-CPU, CPUA, or
CPUB Fan not detected
512-Chassis, rear
chassis, or front chassis
fan not detected
514-CPU or Chassis
Fan not detected.
601-Diskette Controller
Error
C–4
Probable Cause
Keyboard failure.
Both external and internal
ports are assigned to
parallel port X.
IRQ address conflicts with
another device.
IRQ address conflicts with
another device.
Graphics display
controller.
Splash Screen image has
errors.
Fan is not connected or
may have malfunctioned.
Fan is not connected,
may have malfunctioned.
CPU or chassis fan is not
connected or may have
malfunctioned.
Diskette controller
circuitry or floppy drive
circuitry incorrect.
390812-001
Recommended Action
Reconnect the keyboard with computer
turned off.
Ensure that none of the keys are
depressed.
Replace keyboard.
Replace system board.
Remove any parallel port expansion
cards.
Clear CMOS.
Reconfigure card resources and/or run
Computer Setup.
Enter Computer Setup and reset the IRQ
in Advanced > Onboard Devices.
Enter Computer Setup and reset the IRQ
in Advanced > Onboard Devices.
Reseat the graphics card (if applicable).
Clear CMOS.
Verify that the monitor is attached and
turned on.
Replace the graphics card (if
applicable).
Reflash the system ROM with the latest
BIOS image
Reseat fan cable.
Reseat the fan.
Replace the fan.
Reseat chassis, rear chassis, or front
chassis fan cable.
Reseat chassis, rear chassis, or front
chassis fan.
Replace chassis, rear chassis, or front
chassis fan.
Reseat CPU or chassis fan.
Reseat fan cable.
Replace CPU or chassis fan.
Run Computer Setup (F10 Setup).
Check and/or replace cables.
Clear CMOS.
Replace diskette drive.
Replace the system board.
Service Reference Guide, dx7200