!
error HP

Error Code LED blinks 4 times (red) and LED blinks 5 times (white)

Embedded controller has timed out waiting for BIOS to return from graphics initialization.

? What Causes This

Graphics initialization failure, potentially due to missing or damaged components.

How to Fix It

  1. Check card memory and connections.
  2. If issue persists, replace the system board.

Source: page 73 of the official manual

From the manual

Manual page 73 — HP error LED blinks 4 times (red) and LED blinks 5 times (white)

This error code appears in:

HP Elitebook 840 G6 Notebook PC