HP Dc7700 Troubleshooting Guide - Page 62
Control panel message, Description, Recommended action, Network Server Mode Active and No
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Table A-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 2204-Inventory error during MEBx execution BIOS information passed to the MEBx resulted in a failure. 1. Reboot the computer. 2. If the error persists, update to the latest BIOS version. 3. If the error still persists, replace the system board. 2205-Interface error during MEBx execution MEBx operation experienced a hardware error during communication with ME. 1. Reboot the computer. 2. If the error persists, update to the latest BIOS version. 3. If the error still persists, replace the system board. Invalid Electronic Serial Number Electronic serial number is missing. Enter the correct serial number in Computer Setup. Network Server Mode Active and No Keyboard Attached Keyboard failure while Network Server Mode 1. Reconnect keyboard with computer enabled. turned off. 2. Check connector for bent or missing pins. 3. Ensure that none of the keys are depressed. 4. Replace keyboard. Parity Check 2 Parity RAM failure. Run Computer Setup and Diagnostic utilities. System will not boot without fan CPU fan not installed or disconnected in VSFF chassis. 1. Remove the computer cover, press the power button, and see if the processor fan spins. If the processor fan is not spinning, make sure the fan's cable is plugged onto the system board header. Ensure the heatsink is properly seated and installed. 2. If the fan is plugged in and the heatsink is properly seated but the fan does not spin, then replace the heatsink-fan assembly. 56 Appendix A POST Error Messages ENWW