HP xw4550 Service And Technical Reference Manual page 137

Table 5-18 POST error messages (continued)
Screen message
301—Keyboard Error
303—Keyboard Controller
Error
304—Keyboard or System
Unit Error
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 Diskette controller circuitry or diskette
ENWW
Probable cause
Keyboard failure.
I/O board keyboard controller.
Keyboard failure.
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 might have
malfunctioned.
Fan is not connected, might have
malfunctioned.
Processor fan is not connected or
might have malfunctioned.
drive circuitry incorrect.
Recommended action
1. Reconnect the keyboard to different USB
connector with workstation powered off.
2. Check the connector for bent or missing pins.
3. Ensure that none of the keys remain in the pressed
position.
4. Replace the keyboard.
1. Reconnect keyboard with workstation turned off.
2. Replace the system board.
1. Reconnect the keyboard with workstation turned
off.
2. Ensure that none of the keys remain in the pressed
position.
3. Replace keyboard.
4. Replace system board.
Reset the IRQ.
Reset the IRQ.
1. Reseat the graphics card (if applicable).
2. Clear CMOS.
3. Verify that the monitor is attached and turned on.
Install latest version of SoftPaq to restore image. To
download the most recent SoftPaq version, see:
http://www.hp.com/support/workstation_swdrivers
1. Reseat the fan cable.
2. Reseat the fan.
3. Replace the fan.
1. Reseat the chassis, rear chassis, or front chassis
fan cable.
2. Reseat the chassis, rear chassis, or front
chassis fan.
3. Replace the chassis, rear chassis, or front
chassis fan.
1. Reseat the processor or chassis fan.
2. Replace the processor or chassis fan.
1. Run the Computer Setup (F10) Utility.
2. Verify and replace cables.
3. Clear CMOS.
POST error messages 129