Summary
Error 78h in Intel® Server Boards
Description
The diagnostic LED always displays 78h DXE ACPI (Advanced Configuration and Power Interface) Init and the server would not POST (Power On Self-Test).
Resolution
- Verify heatsink is properly attached and has thermal grease.
- If the system has a heatsink fan, ensure the fan is spinning.
- Check all system fans are operating properly.
- Check that the air used to cool the system is within limits (typically 35 °C).
- Replace the motherboard.
For more information please visit and select the Technical Product Specification for your system: Self-Help Collection of Technical Product Specifications for... (intel.com)