HP Dc5700 Troubleshooting Guide - Page 58
Appendix A, POST Error Messages - cpu
UPC - 882780819535
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Table A-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 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. 404-Parallel Port Address Conflict Detected Both external and internal ports are assigned 1. Remove any parallel port expansion to parallel port X. cards. 2. Clear CMOS. (See Appendix B, Password Security and Resetting CMOS on page 59.) 3. Reconfigure card resources and/or run Computer Setup. 410-Audio Interrupt Conflict IRQ address conflicts with another device. Enter Computer Setup and reset the IRQ in Advanced > Onboard Devices. 411-Network Interface Card Interrupt Conflict IRQ address conflicts with another device. Enter Computer Setup and reset the IRQ in Advanced > Onboard Devices. 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 on page 59.) 3. Verify monitor is attached and turned on. 4. Replace the graphics card (if possible). 510-Flash Screen Image Corrupted Flash Screen image has errors. Reflash the system ROM with the latest BIOS image. 511-CPU, CPUA, or CPUB Fan not Detected CPU fan is not connected or may have malfunctioned. 1. Reseat CPU fan. 2. Reseat fan cable. 3. Replace CPU fan. 52 Appendix A POST Error Messages ENWW