HP EliteDesk 800 G5 Maintenance and Service Guide - Page 120
POST error messages and diagnostic front panel LEDs and audible codes
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Control panel message 005-Real-Time Clock Power Loss 008-Microcode Patch Error 009-PMM Allocation Error during MEBx Download 00A-Product Information Not Valid 00B-MEBx Module did not checksum correctly 00C-PMM Deallocation Error during MEBx Cleanup 00D-Setup Error during MEBx Execution Description Recommended action Invalid time or date in configuration memory. RTC (real-time clock) battery may need to be replaced. Reset the date and time under Control Panel (Computer Setup can also be used). If the problem persists, replace the RTC battery. Processor is not supported by the BIOS. 1. Upgrade BIOS to proper version. 2. Change the processor. Memory error during POST execution of the Management Engine (ME) BIOS Extensions option ROM. 1. Reboot the computer. 2. 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. The product information programmed into the Use Computer Setup to update this information. system board is missing or invalid. Memory error during POST execution of the Management Engine (ME) BIOS Extensions option ROM. 1. Reboot the computer. 2. Unplug the power cord, re-seat the memory modules, and reboot the computer. 3. If the memory configuration was recently changed, unplug the power cord, restore the original memory configuration, and reboot the computer. 4. If the error persists, replace the system board. Memory error during POST execution of the Management Engine (ME) BIOS Extensions option ROM. 1. Reboot the computer. 2. Unplug the power cord, re-seat the memory modules, and reboot the computer. 3. If the memory configuration was recently changed, unplug the power cord, restore the original memory configuration, and reboot the computer. 4. If the error persists, replace the system board. MEBx selection or exit resulted in a setup failure. 1. Reboot the computer. 2. Unplug the power cord, reseat the memory modules, and reboot the computer. 3. If the memory configuration was recently changed, unplug the power cord, restore the original memory configuration, and reboot the computer. 4. If the error persists, replace the system board. 110 Chapter 7 POST error messages and diagnostic front panel LEDs and audible codes
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