HP 280 G1 Specifications download pdf (Page 109)

Activity Beeps Possible cause Recommended action

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.

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. Check that the voltage selector, located on the

rear of the power supply (some models), is set

to the appropriate voltage. Proper voltage

setting depends on your region.

2. Unplug the AC power cord from the computer,

wait 30 seconds, then plug the power cord

back in to the computer.

3. Replace the system board.

Red Power LED flashes ten

times, once every second,

followed by a two second pause.

Beeps stop after fifth iteration

but LEDs continue until problem

is solved.

10 Bad option card. 1. Check each option card by removing the card

(one at a time if multiple cards), then power on

the system to see if fault goes away.

2. Once a bad card is identified, remove and

replace the bad option card.

3. 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. Try the following:

1. Check that the voltage selector (some models),

located on the rear of the power supply, is set

to the appropriate voltage. Proper voltage

setting depends on your region.

2. Replace the system board.

Press and hold the power button for less than 4

seconds. If the hard drive LED does not turn on white

then:

Interpreting POST diagnostic front panel LEDs and audible codes 101

1 2 ... 104 105 106 107 108 109 110 111 112 113 114 ... 135 136

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HP 280 G1 Specifications Page 109

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