HP SignagePlayer mp8000r Maintenance And Service Manual page 158

Table C-2
Activity
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.
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.
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.
148 Appendix C POST Error Messages
Diagnostic Front Panel LEDs and Audible Codes (continued)
Beeps
4
5
6
Possible Cause Recommended Action
1.
Power failure (power
supply is overloaded).
OR
2.
The incorrect external
power supply adapter is
being used on the USDT.
3.
4.
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.
CAUTION:
Pre-video memory error.
the system board, you must unplug the computer
power cord before attempting to reseat, install, or
remove a DIMM module.
1.
2.
3.
4.
Pre-video graphics error. For systems with a graphics card:
1.
2.
3.
For systems with integrated graphics, replace the
system board.
Open the hood and ensure the 4 or 6-wire
power supply cable is seated into the
connector on the system board.
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.
Replace the power supply.
Replace the system board.
To avoid damage to the DIMMs or
Reseat DIMMs.
Replace DIMMs one at a time to isolate the
faulty module.
Replace third-party memory with HP
memory.
Replace the system board.
Reseat the graphics card.
Replace the graphics card.
Replace the system board.