HP ProDesk 400 G4

Control panel message Description Recommended action
RTC (real-time clock) battery may need to
be replaced.
the problem persists, replace the RTC battery.
See the Removal and Replacement section for
instructions on installing a new battery.
008–Microcode Patch Error Processor is not supported by the BIOS. 1. Upgrade BIOS to proper version.
2. Change the processor.
009–PMM Allocation Error during MEBx
Download
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 conguration was recently
changed, unplug the computer, restore
the original memory conguration, and
reboot the computer.
4. If the error persists, replace the system
board.
00A-Product Information Not Valid The product information programmed into
the system board is missing or invalid.
Use Computer Setup to update this information.
00B-MEBx Module did not checksum correctly 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 conguration was recently
changed, unplug the power cord, restore
the original memory conguration, and
reboot the computer.
4. If the error persists, replace the system
board.
00C-PMM Deallocation Error during MEBx
Cleanup
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 conguration was recently
changed, unplug the power cord, restore
the original memory conguration, and
reboot the computer.
4. If the error persists, replace the system
board.
00D-Setup Error during MEBx Execution MEBx selection or exit resulted in a setup
failure.
1. Reboot the computer.
2. Unplug the power cord, re-seat
the memory modules, and reboot
the computer.
3. If the memory conguration was recently
changed, unplug the power cord, restore
the original memory conguration, and
reboot the computer.
4. If the error persists, replace the system
board.
POST numeric codes and text messages 87