HP Compaq d330 DT Troubleshooting Guide

Troubleshooting Guide www.hp.com A–5
POST Error Messages
301-Keyboard Error Keyboard failure. 1. Reconnect keyboard with computer
turned off.
2. Check connector for bent or missing
pins.
3. Ensure that none of the keys are
depressed.
4. Replace keyboard.
303-Keyboard
Controller Error
I/O board keyboard
controller.
1. Reconnect keyboard with computer
turned off.
2. Replace the system board.
304-Keyboard or
System Unit Error
Keyboard failure. 1. Reconnect the keyboard with
computer turned off.
2. Ensure that none of the keys are
depressed.
3. Replace the keyboard.
4. Replace the system board.
401-Parallel Port 1
Address Assignment
Conflict
IRQ address conflicts
with another device.
Reset the IRQ.
402-Parallel
Port 2 Address
Assignment Conflict
IRQ address conflicts
with another device.
Reset the IRQ.
403-Parallel Port 3
Address Conflict
Detected
IRQ address conflicts
with another device.
Reset the IRQ.
404-Parallel Port
Address Conflict
Detected
Both external and
internal ports are
assigned to
parallel port X.
1. Remove any parallel port expansion
cards.
2. Clear CMOS. (See Appendix B,
“Password Security and Resetting
CMOS.”)
3. Reconfigure card resources and/or
run Computer Setup.
Numeric Codes and Text Messages (Continued)
Code/Message Probable Cause Recommended Action

HP Compaq d330 DT Specifications

General

Brand	HP
Model	Compaq d330 DT
Category	Desktop
Language	English