HP Point of Sale rp5000 Troubleshooting Guide (2nd Edition) - Page 22

Problem, Cause, Solution, Power LED flashes Red

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Troubleshooting Without Diagnostics Solving General Problems (Continued) Problem Cause Poor performance is experienced. Processor is hot. Hard drive is full. Serial peripheral device with internal power source does not power on. Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two-second pause. The device does not have an external power source and the serial port is configured as a "standard" serial port instead of a "powered" serial port. Processor thermal protection activated: A fan may be blocked or not turning. OR The heatsink is not properly attached to the processor. Solution 1. Make sure the airflow to the computer is not blocked. 2. Make sure the fans are connected and working properly (some fans only operate when needed). 3. Make sure the processor heatsink is installed properly. Transfer data from the hard drive to create more space on the hard drive. Reset the two red serial port jumpers from pins 2 and 3 to pins 1 and 2. This reconfigures the port from "standard" to "powered" mode. See the Hardware Reference Guide on the Documentation CD for instructions on resetting the jumpers. 1. Ensure that the computer air vents are not blocked and the processor cooling fan is running. 2. Open hood, press power button, and see if the processor fan spins. If the processor fan is not spinning, make sure the fan's cable is plugged onto the system board header. Ensure the fan is fully/properly seated or installed. 3. If fan is plugged in and seated properly, but is not spinning, then replace the processor fan. 4. Reseat processor heatsink and verify that the fan assembly is properly attached. 5. Contact an authorized reseller or service provider. 2-6 www.hp.com Troubleshooting Guide

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2–6
www.hp.com
Troubleshooting Guide
Troubleshooting Without Diagnostics
Poor performance is
experienced.
Processor is hot.
1. Make sure the airflow to the
computer is not blocked.
2. Make sure the fans are
connected and working properly
(some fans only operate when
needed).
3. Make sure the processor heatsink
is installed properly.
Hard drive is full.
Transfer data from the hard drive to
create more space on the hard drive.
Serial peripheral device
with internal power
source does not power
on.
The device does not have
an external power source
and the serial port is
configured as a
“standard” serial port
instead of a “powered”
serial port.
Reset the two red serial port jumpers
from pins 2 and 3 to pins 1 and 2.
This reconfigures the port from
“standard” to “powered” mode. See
the
Hardware Reference Guide
on
the
Documentation CD
for instructions
on resetting the jumpers.
Computer powered off
automatically and the
Power LED flashes Red
two times, once every
second, followed by a
two-second pause.
Processor thermal
protection activated:
A fan may be blocked or
not turning.
OR
The heatsink is not
properly attached to the
processor.
1. Ensure that the computer air vents
are not blocked and the
processor cooling fan is running.
2. Open hood, press power button,
and see if the processor fan
spins. If the processor fan is not
spinning, make sure the fan's
cable is plugged onto the system
board header. Ensure the fan is
fully/properly seated or installed.
3. If fan is plugged in and seated
properly, but is not spinning, then
replace the processor fan.
4. Reseat processor heatsink and
verify that the fan assembly is
properly attached.
5. Contact an authorized reseller or
service provider.
Solving General Problems
(Continued)
Problem
Cause
Solution