Table A-2Diagnostic Front Panel LEDs and Audible Codes (continued)

Activity

Beeps

Possible Cause

Recommended Action

Red Power LED flashes eleven

11

times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved.

The current processor does not support a feature previously enabled on this system.

1.Install a TXT capable processor.

2.Disable TXT in the Computer Setup (F10) utility.

3.Reinstall the original processor.

System does not power on and None

System unable to power

Press and hold the power button for less than 4

LEDs are not flashing.

on.

seconds. If the hard drive LED turns green, the

 

 

power button is working correctly and the system

 

 

board needs to be replaced.

 

 

OR

 

 

 

Press and hold the power button for less than 4

 

 

seconds. If the hard drive LED does not turn on

 

 

green then:

 

 

1.

Check that the unit is plugged into a working

 

 

 

AC outlet.

 

 

2.

Open hood and check that the power button

 

 

 

harness is properly connected to the system

 

 

 

board.

 

 

3.

Check that both power supply cables are

 

 

 

properly connected to the system board.

 

 

4.

Check to see if the 5V_aux light on the

 

 

 

system board is turned on. If it is turned on,

 

 

 

then replace the power button harness. If the

 

 

 

problem persists, replace the system board.

 

 

5.

If the 5V_aux light on the system board is

 

 

 

not turned on, remove the expansion cards

one at a time until the 5V_aux light on the system board turns on. It the problem persists, replace the power supply.

Interpreting POST Diagnostic Front Panel LEDs and Audible Codes 109

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HP 6000 Pro manual Activity Beeps Possible Cause, Check to see if the 5Vaux light on

6000 Pro specifications

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