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Troubleshooting Guide 2–3
Troubleshooting Without Diagnostics
Solving General Problems
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.
Solving General Problems
Problem Cause Solution
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