Compaq 177620-006 Manual De Usuario

Troubleshooting Guide

Troubleshooting Without Diagnostics

You may be able to easily resolve the general 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 Compaq authorized dealer or reseller.

Computer won’t 
turn on.

Computer is not 
connected to an external 
power source.

Connect to an external power 
source.

Cables to the external 
power source are 
unplugged.

Ensure that cables connecting the 
computer to the external power 
source are plugged in properly and 
the wall outlet is active.

A defective PCI card has 
been installed.

Remove any expansion board that 
was just installed.

Drive power, data, or 
power supply cables 
may not be properly 
connected.

Reseat drive power, data, and power 
supply cables.

Power line selector 
switch on rear of 
computer chassis not 
switched to correct line 
voltage (115V or 230V) 
(some models).

Select the proper AC voltage using 
the slide switch.

Computer appears 
locked up and won’t 
turn off when the 
power button is 
pressed.

Software control of the 
power switch is not 
functional.

Press and hold the power button for 
at least 4 seconds until the computer 
turns off.

177620-006.book  Page 3  Thursday, March 14, 2002  3:16 PM