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error HP
Error Code Esc key beep sequence
Indicates POST (power-on self-test) diagnostic beeps for configuration or hardware issues.
? What Causes This
Issues with BIOS, memory, graphics card, or other critical system components detected during boot.
✓ How to Fix It
Consult the Maintenance and Service Guide to identify specific beep codes and corresponding solutions.
Source: page 27 of the official manual
From the manual
This error code appears in:
HP Z240 Tower Workstation