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Computer Beep Codes
When errors occur during a boot routine that cannot be reported on the
monitor, your computer may emit a series of beeps that identify the
problem. The beep code is a pattern of sounds: for example, one beep,
followed by a second beep, and then a burst of three beeps (code 1-1-3)
means that the computer was unable to read the data in nonvolatile
random-access memory (NVRAM). This information is invaluable to the
Dell support staff if you need to call for technical assistance.
When a beep code is emitted, write it down on a copy of the Diagnostics
Checklist found in “Getting Help,” and then look it up in “Computer Beep
Codes.” If you are unable to resolve the problem by looking up the meaning
of the beep code, use the Dell Diagnostics to identify a more serious cause.
If you are still unable to resolve the problem, see “Getting Help” for
instructions on obtaining technical assistance.
Computer Beep Codes
Code Cause Action
1-1-2 Microprocessor register
failure
See Getting Help” for instructions on
obtaining 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 Direct memory access
(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.
1-3 Video Memory Test
failure
Run the VESA/VGA Interface tests in
the Dell Diagnostics.