HP 4000 Maintenance & Service Guide HP Compaq 4000 Pro Small Form Factor B - Page 117
Table C-1, Control panel message, Description, Recommended action
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Table C-1 Numeric Codes and Text Messages (continued) Control panel message Description Recommended action 2200-PMM Allocation Error during MEBx Download Memory error during POST execution of the 1. Management Engine (ME) BIOS Extensions option ROM. 2. Reboot the computer. Unplug the power cord, re-seat the memory modules, and reboot the computer. 3. If the memory configuration was recently changed, unplug the computer, restore the original memory configuration, and reboot the computer. 4. If the error 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 enabled. 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. Parity Check 2 Parity RAM failure. Run Computer Setup and Diagnostic utilities. POST Numeric Codes and Text Messages 107