warning HP

Error Code Red LED blinks 8 times every second followed by a 2 seconds pause

Invalid ROM based on Checksum.

? What Causes This

Damaged or outdated system BIOS/ROM firmware.

How to Fix It

  1. Check and update ROM firmware using HP Update manager.
  2. If the issue persists, try reflashing the BIOS with a USB tool.
  3. Contact service technician if problem remains.

Source: page 2 of the official manual

From the manual

Manual page 2 — HP error Red LED blinks 8 times every second followed by a 2 seconds pause

This error code appears in:

HP Compaq Elite 8300 Small Form Factor PC