Beep codes – Dell OptiPlex SX260 User Manual

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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.

green
yellow
green
yellow

Possible video card failure or bad
on-board video

If you have a video card, reseat it and restart the computer to retest. If you have video
integrated, you must replace the system board.

yellow
green
green
yellow

Possible floppy or hard drive failure

Reseat all power and data cables, and restart the computer to retest.

green
green
green
yellow

Possible USB failure

Reseat all USB devices and cables, and restart the computer to retest.

yellow
yellow
yellow
green

No memory detected

Reseat all memory modules and restart the computer.

If the problem still exists, to eliminate the possibility of a faulty memory connector, install one
memory module (if the computer supports a single module), and restart the computer. Then move
the module to another connector and restart the computer.

yellow
green
yellow
green

Memory is detected, but a memory
configuration or compatibility error
exists

Be sure that the memory modules are compatible with your computer. If necessary, replace the
memory modules.

yellow
green
green
green

Other failure

Check the computer message that appears on your monitor screen.

green
green
green
green

Normal operating condition after
POST

None.

Try to resolve the problem —

Write the beep code down on the

Diagnostics Checklist

, and perform the action recommended in the following

table.

Run the

Dell Diagnostics

to identify a more serious cause.

Contact Dell

for technical assistance.

Code

Cause

Action

1-1-2

Microprocessor register failure

Contact Dell for technical assistance.

1-1-3

NVRAM