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error HP
Error Code Red LED blinks 6 times every second followed by a 2 seconds pause
Pre-video graphics error detected.
? What Causes This
Faulty or improperly seated graphics card/module.
✓ How to Fix It
- Reseat the graphics card carefully and check connections.
- If problem persists, replace graphics card.
Source: page 2 of the official manual
From the manual
This error code appears in:
HP Compaq Elite 8300 Small Form Factor PC