Table 10-2Diagnostic front panel LEDs and audible codes (continued)

Activity

Beeps

Possible Cause

Recommended Action

 

 

 

 

 

Red Power LED flashes nine

9

System powers on but is

1.

Unplug the AC power cord from the

times, once every second,

 

unable to boot.

 

computer, wait 30 seconds, then plug the

followed by a two second

 

 

 

power cord back in to the computer.

pause. Beeps stop after fifth

 

 

2.

Replace the system board.

iteration but LEDs continue until

 

 

problem is solved.

 

 

3.

Replace the processor.

 

 

 

 

 

 

 

 

Red Power LED flashes eleven

11

The current processor does

1.

Install a TXT capable processor.

times, once every second,

 

not support a feature

2.

Disable TXT in the Computer Setup (F10)

followed by a two second

 

previously enabled on this

pause. Beeps stop after fifth

 

system.

 

utility.

iteration but LEDs continue until

 

 

3.

Reinstall the original processor.

problem is solved.

 

 

 

 

 

 

 

 

 

 

 

Red Power LED flashes eleven

12

MXM thermal shutdown.

1.

Clean the MXM graphics card heat sink.

times, once every second,

 

 

2.

Replace the MXM graphics card heat sink.

followed by a two second

 

 

pause. Beeps stop after fifth

 

 

3.

Replace the MXM graphic card.

iteration but LEDs continue until

 

 

 

 

 

 

problem is solved.

 

 

 

 

 

 

 

 

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 white, the

 

 

 

power button is working correctly. Try the

 

 

 

following:

 

 

 

1.

Replace the system board.

 

 

 

OR

 

 

 

 

Press and hold the power button for less than 4

 

 

 

seconds. If the hard drive LED does not turn on

 

 

 

white then:

 

 

 

1.

Check that the unit is plugged into a

 

 

 

 

working AC outlet.

 

 

 

2.

Open rear cover and check that the power

 

 

 

 

button cable is properly connected to the

 

 

 

 

system board.

 

 

 

3.

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 board and

 

 

 

 

cable. If the problem persists, replace the

 

 

 

 

system board.

 

 

 

4.

Replace the AC adapter.

 

 

 

 

 

142 Chapter 10 POST Error Messages