HP Dc5000 Troubleshooting Guide - Page 22

Problem, Cause, Solution, The Smart Cover FailSafe Key, - manual

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Troubleshooting Without Diagnostics Solving General Problems (Continued) Problem Cause Cannot remove computer cover or access panel. Smart Cover Lock, featured on some computers, is locked. Poor performance is experienced. Processor is hot. Hard drive is full. 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. Solution Unlock the Smart Cover Lock using Computer Setup. The Smart Cover FailSafe Key, a device for manually disabling the Smart Cover Lock, is available from HP. You will need the FailSafe Key in case of forgotten password, power loss, or computer malfunction. 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. 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
Cannot remove
computer cover or
access panel.
Smart Cover Lock,
featured on some
computers, is locked.
Unlock the Smart Cover Lock using
Computer Setup.
The Smart Cover FailSafe Key, a
device for manually disabling the
Smart Cover Lock, is available from
HP. You will need the FailSafe Key in
case of forgotten password, power
loss, or computer malfunction.
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.
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