Solving Hardware Problems - HP Armada 7300 Reference Manual

Solving Hardware Problems

Problem
New device is not
recognized as part
of the computer
system.
Cannot access a
removable drive.
Computer beeps
four times when
turned on,
power/suspend light
is on, but screen
remains blank.
17-10 Troubleshooting
Possible Cause
The system did not
automatically
configure the new
device.
Cables of new
external device are
loose or power cord is
not plugged in.
Power switch of
external device is not
turned on.
A removable drive is
not seated properly.
Memory expansion
board(s) has been
installed incorrectly or
has lost connection.
Memory board or
memory circuitry has
failed.
Solution
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.
Ensure that all cables are
properly and securely
connected and that the
power cord is plugged
into an electrical outlet.
Turn on the external
device.
Turn off the computer,
turn on the device, then
turn the computer on.
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).
Follow the steps in
Chapter 12 to remove
and reinsert the memory
expansion board(s).
Contact your Compaq
authorized service
provider.