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Setup and Quick Reference Guide 35
Beep Codes
Your computer might emit a series of beeps that identify a problem. One
possible series (code 1-3-1) consists of one beep, a burst of three beeps, and
then one beep. This series tell you that the computer encountered a
memory problem.
If a beep code is emitted, write it down and look it up under "Beep Codes"
in the User’s Guide.
Error Messages
NOTE: If the message is
not listed, see the
documentation for either
the operating system or
the program that was
running when the message
appeared.
If an error occurs during start-up, a message may be displayed on the
monitor identifying the problem. See "Error Messages" in the User’s Guide
for suggestions on resolving any problems.
Diagnostic Lights
To help you troubleshoot a problem, your computer is equipped with four
lights on the front panel labeled "A," "B," "C," and "D." The lights can be
yellow or green. When the computer starts normally, the lights flash. After
the computer starts, the lights remain green. If the computer malfunctions,
the color and sequence of the lights identify the problem.
CAUTION: Before you begin any of the procedures in this section,
follow the safety instructions in the System Information Guide.
Solid green power
light and no beep
code and no video
during POST
N/A The monitor or the graphics card
may be faulty or incorrectly
installed.
Check the diagnostic lights to see if
the specific problem is identified.
Also, see "Video Problems" in the
User’s Guide.
Solid green power
light and no beep
code, but the
computer locks
up during POST
N/A An integrated system board device
may be faulty.
Check the diagnostic lights to see if
the specific problem is identified. If
the problem is not identified,
contact Dell for technical
assistance.
Power Light Hard-Drive
Light
Cause Corrective Action