HP Sprout Pro G2 Maintenance & Service Guide - Page 109

Activity, Beeps, Possible Cause, Recommended Action, Red Power LED

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Activity 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. Red Power LED flashes seven 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 eight 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 nine times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. Beeps 5 6 7 8 9 Possible Cause Pre-video memory error. Pre-video graphics error. Recommended Action CAUTION: To avoid damage to the SODIMMs or the system board, you must unplug the computer power cord before attempting to reseat, install, or remove a SODIMM module. 1. Reseat SODIMMs. 2. Replace SODIMMs one at a time to isolate the faulty module. 3. Replace third-party memory with HP memory. 4. Replace the system board. Replace the system board. System board failure (ROM detected failure prior to video). Replace the system board. Invalid ROM based on bad checksum. 1. Reflash the system ROM with the latest BIOS image. 2. Replace the system board. 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. Interpreting POST diagnostic front panel LEDs 99

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Activity
Beeps
Possible Cause
Recommended Action
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 SODIMMs or the
system board, you must unplug the computer power
cord before attempting to reseat, install, or remove a
SODIMM module.
1.
Reseat SODIMMs.
2.
Replace SODIMMs 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.
Replace the system board.
Red Power LED
flashes
seven
times, once every second,
followed by a two second pause.
Beeps stop after
fifth
iteration
but LEDs continue until problem
is solved.
7
System board failure (ROM
detected failure prior to
video).
Replace the system board.
Red Power LED
flashes
eight
times, once every second,
followed by a two second pause.
Beeps stop after
fifth
iteration
but LEDs continue until problem
is solved.
8
Invalid ROM based on bad
checksum.
1.
Reflash
the system ROM with the latest BIOS
image.
2.
Replace the system board.
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.
Interpreting POST diagnostic front panel LEDs
99