Light
Pattern
Problem
Description
Suggested
Resolution
A possible
modem
failure has
occurr
ed
.
•
If
available, install a working
m
o
dem
into
your
computer.
•
If the
problem persists,
contact
contact
Dell Support.
Dell Technical Update
Service
The Dell
Technical Update service provides proactive e-mail
notification of
software and
har
d
war
e
updates
for
your computer.
The
service is free and can be customized
for
content,
format,
and
how
frequently you receive
notifications.
To enroll for the Dell
Technical Update
service, go
to
support.dell.com/technicalupdate
.
Dell Diagnostics
CAUTION:
Before you begin any of the procedures
in
this section,
follow
the safety instructions
in
the
Product
Information
Guide
.
When to Use the
Dell Diagnostics
If
you experience a problem
with
your computer,
run
t
he
Dell
Diagnostics before you contact
Dell for
technical
assistance.
It
is recommended
that
you
print
these procedures before you
begin.
NOTICE:
The Dell Diagnostics works only on Dell™
computers.
NOTE:
The Drivers and Utilities CD
is optional and may not ship with your
computer
.
Enter the
system setup program, review
your computer’s configuration
information,
and ensure
that the
device you want
to
test displays
in
t
he
system setup program and is
active.
Start
the Dell
Diagnostics
from
your hard drive
or from the
Drivers and Utilities
CD.
Starting the Dell Diagnostics From Your Hard
Drive
The Dell
Diagnostics is located
on
a
hidden
diagnostic
utility partition on
your hard
drive.
NOTE:
If
your computer cannot display a screen image, contact Dell (see "Contacting Dell" on page 143).
NOTE:
If
the computer is connected to
a
docking device (docked), undock it. See the documentation that
came
with
your docking device for
instructions.
1 Ensure
that the
computer is connected
to
an electrical
outlet that
is known
to
be working
properly.
2
Turn
on
(or
restart) your
computer.
3 Start
the Dell
Diagnostics
in
one
of the
following two ways:
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