HP 260 Maintenance and Service Guide - Page 93

Activity, Beeps, Possible cause, Recommended action, Red Power LED flashes nine

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Activity Beeps Red Power LED flashes six times, 6 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 7 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 8 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 9 times, once every second, followed by a two second pause. Beeps stop after fifth iteration but LEDs continue until problem is solved. System does not power on and LEDs are not flashing. None Possible cause Pre-video graphics error. Recommended action 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. System unable to power on. Press and hold the power button for less than 4 seconds. If the hard drive LED turns white, the power button is working correctly. ▲ 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. Replace the power supply. Interpreting POST diagnostic front panel LEDs and audible codes 85

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Activity
Beeps
Possible cause
Recommended action
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.
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 white, the power
button is working correctly.
▲
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.
Replace the power supply.
Interpreting POST diagnostic front panel LEDs and audible codes
85