Beep codes – Dell OptiPlex GX280 User Manual
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occurred.
A possible USB failure
has occurred.
Reinstall all USB devices, check cable connections, and then restart the
computer.
No memory modules
are detected.
If you have one memory module installed, reinstall it and restart the
computer. (see "
" for instructions on how to remove and install
memory modules.)
If you have two or more memory modules installed, remove the
modules, reinstall one module, and then restart the computer. If the
computer starts normally, reinstall an additional module. Continue until
you have identified a faulty module or reinstalled all modules without
error.
If available, install properly working memory of the same type into your
computer.
Memory modules are
detected, but a
memory configuration
or compatibility error
exists.
special memory module/memory connector placement
Verify that the
that you are installing are compatible
with your computer.
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.
The computer is in a
normal operating
condition after POST.
None.
Light Pattern Problem Description Suggested Resolution
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 on the
to identify a more serious cause.
3.
Code
Cause
1-1-2
Microprocessor register failure
1-1-3
NVRAM read/write failure
1-1-4
ROM BIOS checksum failure