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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
Run the System Board Devices tests in the Dell Diagnostics, if possible.
1-1-4
ROM BIOS checksum failure
Run the System Board Devices tests in the Dell Diagnostics, if possible.
1-2-1
Programmable interval timer
Run the System Board Devices tests in the Dell Diagnostics, if possible.
1-2-2
DMA initialization failure
Run the System Board Devices tests in the Dell Diagnostics, if possible.
1-2-3
DMA page register read/write failure
Run the System Board Devices tests in the Dell Diagnostics, if possible.