HP Dc5700 HP Compaq dc5700 Business PC Service Reference Guide, 1st Edition - Page 163

Red Power LED, Continued

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POST Error Messages POST Diagnostic Front Panel LEDs and Audible Codes (Continued) Activity 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. 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. Beeps 9 10 Possible Cause System powers on but is unable to boot. Bad option card. Recommended Action 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. Replace the processor. 3. Replace the system board. 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. Service Reference Guide, dc5700 437804-001 C-11

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Service Reference Guide, dc5700
437804-001
C–11
POST Error Messages
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. Replace the processor.
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.
POST Diagnostic Front Panel LEDs and Audible Codes
(Continued)
Activity
Beeps
Possible Cause
Recommended Action