!!
critical HP
Error Code LED blinks Red four times White two times
Processor thermal protection activated (fan malfunction or blocked).
? What Causes This
A system fan is not turning, potentially due to a blockage in the vents.
✓ How to Fix It
- Ensure that air vents are clear and fans are spinning properly.
- If fan spins but still overheats, replace it.
Source: page 56 of the official manual
From the manual
