!
error HP
Error Code Red LED flashes 5 times
Pre-video memory error — incorrect memory configuration or faulty DIMM.
? What Causes This
Incorrect memory configuration or faulty memory module.
✓ How to Fix It
- Run Setup (F10) and check DIMMs for proper seating, type, and compatibility with HP systems.
- Remove DIMMs singularly and reinsert to identify the faulty one.
Source: page 3 of the official manual
From the manual
This error code appears in:
HP Compaq Pro 6300 SF Desktop