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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

  1. Reseat the graphics card carefully and check connections.
  2. If problem persists, replace graphics card.

Source: page 2 of the official manual

From the manual

Manual page 2 — HP error Red LED blinks 6 times every second followed by a 2 seconds pause

This error code appears in:

HP Compaq Elite 8300 Small Form Factor PC