Getting Started

Diagnostic Front Panel LEDs and Audible Codes

 

Possible

Recommended

Activity

Beeps Cause

Action

Red Power LED

2

Processor thermal

flashes two times,

 

protection

once every

 

activated:

second, followed

 

A fan may be

by a two second

 

blocked or not

pause. The beeps

 

turning.

continue for five

 

OR

iterations, then

The heatsink/fan

stop. The LED

assembly is not

flashes continue

properly attached

until the problem

to the processor.

is resolved.

 

✎ Beeps may

 

not occur

 

on all

 

models for

 

this activity.

 

1.Ensure that the computer air vents are not blocked and the processor cooling fan is running. Leave a 4-inch (10.2-cm) clearance at the back of unit and above the monitor to permit required airflow.

2.Open hood, press power button, and see if the processor fan spins. If the processor fan is not spinning, make sure the fan's cable is plugged onto the system board header. Ensure the fan is fully/properly seated or installed.

3.If fan is plugged in and seated properly, but is not spinning, then replace processor fan.

4.Reseat processor heatsink and verify that the fan assembly is properly attached.

5.Contact an authorized reseller or service provider.

24

www.hp.com

Getting Started