Compaq Pro 6300 Maintenance & Service Guide Elite 8300 Touch All-in-One Bu - Page 196

Diagnostic front panel LEDs and audible codes continued, Activity, Beeps, Possible Cause

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Table 10-2 Diagnostic 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 iteration but LEDs continue until 2. Replace the system board. 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, followed by a two second pause. Beeps stop after fifth not support a feature previously enabled on this 2. Disable TXT in the Computer Setup (F10) system. utility. iteration but LEDs continue until problem is solved. 3. Reinstall the original processor. Red Power LED flashes eleven 12 MXM thermal shutdown. 1. Clean the MXM graphics card heat sink. times, once every second, followed by a two second 2. Replace the MXM graphics card heat sink. pause. Beeps stop after fifth iteration but LEDs continue until 3. Replace the MXM graphic card. problem is solved. System does not power on and LEDs are not flashing. None System unable to power on. Press and hold the power button for less than 4 seconds. If the hard drive LED turns green, 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 green 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. 186 Chapter 10 POST Error Messages

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Table 10-2
Diagnostic front panel LEDs and audible codes (continued)
Activity
Beeps
Possible Cause
Recommended Action
Red Power LED flashes nine
times, once every second,
followed by a two second
pause. Beeps stop after fifth
iteration but LEDs continue until
problem is solved.
9
System powers on but is
unable to boot.
1.
Unplug the AC power cord from the
computer, wait 30 seconds, then plug the
power cord back in to the computer.
2.
Replace the system board.
3.
Replace the processor.
Red Power LED flashes eleven
times, once every second,
followed by a two second
pause. Beeps stop after fifth
iteration but LEDs continue until
problem is solved.
11
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.
Red Power LED flashes eleven
times, once every second,
followed by a two second
pause. Beeps stop after fifth
iteration but LEDs continue until
problem is solved.
12
MXM thermal shutdown.
1.
Clean the MXM graphics card heat sink.
2.
Replace the MXM graphics card heat sink.
3.
Replace the MXM graphic card.
System does not power on and
LEDs are not flashing.
None
System unable to power
on.
Press and hold the power button for less than 4
seconds. If the hard drive LED turns green, 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
green 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.
186
Chapter 10
POST Error Messages