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:

1Write down the beep code.

2Run the Dell Diagnostics to identify the cause (see "Dell Diagnostics" on page 36).

Code

Cause

 

 

2 short, 1 long

BIOS checksum error

1 long, 3 short, 2 short

Memory error

1 short

F12 key pressed

 

 

Code

Description

Suggested Remedy

(repetitive

 

 

short beeps)

 

 

 

 

 

1

BIOS checksum

Contact Dell (see "Contacting Dell" in

 

failure. Possible

your User’s Guide).

 

motherboard failure.

 

 

 

 

2

No memory modules

• If two or more memory modules are

 

are detected.

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).

 

 

 

3

Possible motherboard

Contact Dell (see "Contacting Dell" in

 

failure.

your User’s Guide).

Quick Reference Guide

33

Page 33
Image 33
Dell T5400 manual Beep Codes, Code Cause, Code Description Suggested Remedy Repetitive Short beeps