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26 Quick Reference Guide
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Beep Codes
Your computer might emit a series of beeps during start-up if the monitor cannot display errors or
problems. This series of beeps, called a beep code, identifies a problem. One possible beep code
(code 1-3-1) consists of one beep, a burst of three beeps, and then one beep. This beep code tells
you that the computer encountered a memory problem.
If your computer beeps during start-up:
1
Write down the beep code.
2
See "Dell Diagnostics" on page 19 to identify a more serious cause.
3
Contact Dell for technical assistance. For information on contacting Dell, see your online
User’s Guide
.
Memory modules are detected, but a
memory configuration or compatibility
error exists.
• Ensure that no
special memory module
or memory connector placement
requirements
exist.
• Verify that the
memory modules
that
you are installing are compatible with
your computer.
• If the problem persists,
contact Dell
.
For
information on contacting Dell, see
your online User’s Guide.
Other failure has occurred.
• Ensure that the cables are properly
connected to the system board from the
hard drive, CD drive, and DVD drive.
• Check the computer message that
appears on your monitor screen.
• If the problem persists,
contact Dell
.
For
information on contacting Dell, see
your online User’s Guide.
The computer is in a normal operating
condition after POST.
None.
Code Cause Code Cause
1-1-2 Microprocessor register failure 3-1-4 Slave interrupt mask register failure
1-1-3 NVRAM read/write failure 3-2-2 Interrupt vector loading failure
1-1-4 ROM BIOS checksum failure 3-2-4 Keyboard Controller Test failure
1-2-1 Programmable interval timer failure 3-3-1 NVRAM power loss
Light Pattern Problem Description Suggested Resolution
GYGY
GGGY
GGGG