!!
critical HP
Error Code Red LED flashes 8 times
Invalid ROM based on checksum - system board may have issues with invalid or corrupted BIOS files.
? What Causes This
Inconsistent BIOS checksum, corrupt ROM file.
✓ How to Fix It
- Reflash System Board with a known good firmware BIOS update from HP official website.
- If problem persists, replace the system board.
Source: page 3 of the official manual
From the manual
This error code appears in:
HP Compaq Pro 6300 SF Desktop