HP Armada 7300 Armada 7300 Family of Personal Computers Reference Guide - Page 128

Solving Hardware Problems

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Solving Hardware Problems Problem Possible Cause Solution New device is not recognized as part of the computer system. The system did not automatically configure the new device. In Windows 95, doubleclick the Add New Hardware icon in Control Panel. Refer to the documentation that came with the new device for installation instructions. Cables of new external device are loose or power cord is not plugged in. Ensure that all cables are properly and securely connected and that the power cord is plugged into an electrical outlet. Power switch of external device is not turned on. Turn on the external device. Turn off the computer, turn on the device, then turn the computer on. Cannot access a removable drive. A removable drive is not seated properly. In Windows 95, shut down the computer, remove and reinsert the drive, then turn on the computer. In Windows NT, you do not have to shut down the computer to insert a diskette drive or CD-ROM drive. Run Computer Checkup to test the drive (see Chapter 16). Computer beeps four times when turned on, power/suspend light is on, but screen remains blank. Memory expansion board(s) has been installed incorrectly or has lost connection. Follow the steps in Chapter 12 to remove and reinsert the memory expansion board(s). Memory board or Contact your Compaq memory circuitry has authorized service failed. provider. 17-10 Troubleshooting

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17-10
Troubleshooting
Solving Hardware Problems
Problem
Possible Cause
Solution
New device is not
recognized as part
of the computer
system.
The system did not
automatically
configure the new
device.
In Windows 95, double-
click the Add New
Hardware icon in Control
Panel.
Refer to the
documentation that came
with the new device for
installation instructions.
Cables of new
external device are
loose or power cord is
not plugged in.
Ensure that all cables are
properly and securely
connected and that the
power cord is plugged
into an electrical outlet.
Power switch of
external device is not
turned on.
Turn on the external
device.
Turn off the computer,
turn on the device, then
turn the computer on.
Cannot access a
removable drive.
A removable drive is
not seated properly.
In Windows 95, shut
down the computer,
remove and reinsert the
drive, then turn on the
computer. In Windows
NT, you do not have to
shut down the computer
to insert a diskette drive
or CD-ROM drive.
Run Computer Checkup
to test the drive (see
Chapter 16).
Computer beeps
four times when
turned on,
power/suspend light
is on, but screen
remains blank.
Memory expansion
board(s) has been
installed incorrectly or
has lost connection.
Follow the steps in
Chapter 12 to remove
and reinsert the memory
expansion board(s).
Memory board or
memory circuitry has
failed.
Contact your Compaq
authorized service
provider.