Troubleshooting

Solving General Problems

You may be able to easily resolve the minor problems described in this section. If a problem persists and you are unable to resolve it yourself or if you feel uncomfortable about performing the operation, contact your HP authorized reseller or service provider.

Problem

Cause

 

Solution

 

 

 

Computer will not

Cables to the external

Ensure that cables connecting the

turn on.

power source are

computer to the external power source

 

unplugged.

are plugged in properly and the wall

 

 

outlet is active.

 

 

 

 

Voltage selector switch on

Select the proper AC voltage using the

 

the rear of the computer

slide switch.

 

chassis is not switched to

 

 

 

the correct voltage (115V

 

 

 

or 230V).

 

 

 

 

 

 

A defective PCI card has

Remove any expansion board that

 

been installed.

was just installed.

 

 

 

 

Drive data or power supply

Reseat drive data and power supply

 

cables may not be

cables.

 

properly connected.

 

 

 

 

 

 

 

The unit temperature was

1.

Unit is in an exceedingly hot

 

exceeded. The fan may be

 

environment. Let it cool down.

 

blocked.

2.

Ensure that computer air vents are

 

 

 

 

 

not blocked and the internal fan is

 

 

 

running.

 

 

3. Contact an HP authorized reseller

 

 

 

or service provider.

 

 

 

 

Computer appears

Software control of the

1.

Press and hold the power button

locked up and will not

power switch is not

 

for at least four seconds until the

turn off when the power

functional.

 

computer turns off.

button is pressed.

 

2.

Disconnect the power cord from

 

 

the electrical outlet.

Troubleshooting Guide

www.hp.com

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HP dx2200 manual Solving General Problems, Problem Cause Solution

dx2200 specifications

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