HP SignagePlayer mp8000s Maintenance & Service Guide: HP SignagePlayer mp8 - Page 158

Diagnostic Front Panel LEDs and Audible Codes continued, Table C-2

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Table C-2 Diagnostic Front Panel LEDs and Audible Codes (continued) Activity Beeps Possible Cause Recommended Action Red Power LED flashes four 4 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Power failure (power supply is overloaded). OR The incorrect external power supply adapter is being used on the USDT. 1. Open the hood and ensure the 4 or 6-wire power supply cable is seated into the connector on the system board. 2. Check if a device is causing the problem by removing ALL attached devices (such as hard, diskette, or optical drives, and expansion cards). Power on the system. If the system enters the POST, then power off and replace one device at a time and repeat this procedure until failure occurs. Replace the device that is causing the failure. Continue adding devices one at a time to ensure all devices are functioning properly. 3. Replace the power supply. 4. Replace the system board. OR The USDT power supply adapter must be at 135W and use the Smart ID technology before the system will power up. Replace the power supply adapter with the HP-supplied USDT power supply adapter. Red Power LED flashes five 5 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Pre-video memory error. CAUTION: To avoid damage to the DIMMs or the system board, you must unplug the computer power cord before attempting to reseat, install, or remove a DIMM module. 1. Reseat DIMMs. 2. Replace DIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Red Power LED flashes six 6 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Pre-video graphics error. For systems with a graphics card: 1. Reseat the graphics card. 2. Replace the graphics card. 3. Replace the system board. For systems with integrated graphics, replace the system board. 148 Appendix C POST Error Messages

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Table C-2
Diagnostic Front Panel LEDs and Audible Codes (continued)
Activity
Beeps
Possible Cause
Recommended Action
Red Power LED flashes four
times, once every second,
followed by a two second
pause. Beeps stop after fifth
iteration but LEDs continue until
problem is solved.
4
Power failure (power
supply is overloaded).
OR
The incorrect external
power supply adapter is
being used on the USDT.
1.
Open the hood and ensure the 4 or 6-wire
power supply cable is seated into the
connector on the system board.
2.
Check if a device is causing the problem by
removing ALL attached devices (such as
hard, diskette, or optical drives, and
expansion cards). Power on the system. If
the system enters the POST, then power off
and replace one device at a time and repeat
this procedure until failure occurs. Replace
the device that is causing the failure.
Continue adding devices one at a time to
ensure all devices are functioning properly.
3.
Replace the power supply.
4.
Replace the system board.
OR
The USDT power supply adapter must be at
135W and use the Smart ID technology before
the system will power up. Replace the power
supply adapter with the HP-supplied USDT power
supply adapter.
Red Power LED flashes five
times, once every second,
followed by a two second
pause. Beeps stop after fifth
iteration but LEDs continue until
problem is solved.
5
Pre-video memory error.
CAUTION:
To avoid damage to the DIMMs or
the system board, you must unplug the computer
power cord before attempting to reseat, install, or
remove a DIMM module.
1.
Reseat DIMMs.
2.
Replace DIMMs one at a time to isolate the
faulty module.
3.
Replace third-party memory with HP
memory.
4.
Replace the system board.
Red Power LED flashes six
times, once every second,
followed by a two second
pause. Beeps stop after fifth
iteration but LEDs continue until
problem is solved.
6
Pre-video graphics error.
For systems with a graphics card:
1.
Reseat the graphics card.
2.
Replace the graphics card.
3.
Replace the system board.
For systems with integrated graphics, replace the
system board.
148
Appendix C
POST Error Messages