Beep Codes - Dell T5400 Quick Reference Manual

Beep Codes

Your computer may emit a series of beeps during start up. The series of beeps
is called a beep code and can be used to help identify a problem with your
computer.
If your computer emits a series of beeps during start-up:
1 Write down the beep code.
2 Run the Dell Diagnostics to identify the cause (see "Dell Diagnostics" on
page 36).
Code
2 short, 1 long
1 long, 3 short, 2 short Memory error
1 short
Code Description
(repetitive
short beeps)
1 BIOS checksum
failure. Possible
motherboard failure.
2 No memory modules
are detected.
3 Possible motherboard
failure.
Cause
BIOS checksum error
F12 key pressed
Suggested Remedy
Contact Dell (see "Contacting Dell" in
your User's Guide).
Contact Dell (see "Contacting Dell" in
your User's Guide).
• If two or more memory modules are
installed, remove the modules
(see "Memory" in your User's Guide),
reinstall one module, and then restart
the computer. If the computer starts
normally, continue to install additional
memory modules (one at a time) until
you have identified a faulty module or
reinstalled all modules without error.
• If available, install working memory of
the same type into your computer
(see "Memory" in your User's Guide).
• If the problem persists, contact Dell (see
"Contacting Dell" in your User's Guide).
Quick Reference Guide
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