HP Point of Sale rp5000 Troubleshooting Guide (2nd Edition) - Page 26

power button harness is, drive LED does not turn on green

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Troubleshooting Without Diagnostics Solving Power Supply Problems (Continued) Problem Cause Solution System does not power on and LEDs are not flashing. System unable to power on. Press and hold the power button for less than 4 seconds. If the hard drive LED turns green, then: 1. Check that the voltage selector, located on the rear of the power supply, is set to the appropriate voltage. Proper voltage setting depends on your region. 2. Remove the expansion cards one at a time until the AUX LED light on the system board turns on. 3. 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 green then: 1. Check that the unit is plugged into a working AC outlet. 2. Open hood and check that the power button harness is properly connected to the system board. 3. Check that both power supply cables are properly connected to the system board. 4. Check to see if the AUX LED light on the system board is turned on. If it is turned on, then replace the power button harness. 2-10 www.hp.com Troubleshooting Guide

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2–10
www.hp.com
Troubleshooting Guide
Troubleshooting Without Diagnostics
System does not power on
and LEDs are not flashing.
System unable to power
on.
Press and hold the power button for
less than 4 seconds. If the hard
drive LED turns green, then:
1. Check that the voltage selector,
located on the rear of the
power supply, is set to the
appropriate voltage. Proper
voltage setting depends on your
region.
2. Remove the expansion cards
one at a time until the AUX LED
light on the system board turns
on.
3. 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 green
then:
1. Check that the unit is plugged
into a working AC outlet.
2. Open hood and check that the
power button harness is
properly connected to the
system board.
3. Check that both power supply
cables are properly connected
to the system board.
4. Check to see if the AUX LED
light on the system board is
turned on. If it is turned on, then
replace the power button
harness.
Solving Power Supply Problems
(Continued)
Problem
Cause
Solution