34
Quick Reference Guide
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.dell.com | support.dell.com
No memory modules are detected.
• If you have one memory module
installed, reinstall it and restart the
computer. For more information on
memory modules, see your
User’s
Guide
.
• 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.
For more information on memory
modules, see your
User’s Guide
.
• If available, install properly working
memory of the same type into your
computer. For more information on
memory modules, see your
User’s
Guide
.
• If the problem persists, contact Dell.
For more information on contacting
Dell, see your
User’s Guide
.
System board failure has occurred.
Contact Dell
for technical assistance.
For more information on contacting
Dell, see your
User’s Guide
.
Memory modules are detected, but a
memory configuration or compatibility
error exists.
• Ensure that no special memory
module/memory connector placement
requirements exist.
• Verify that the memory modules that
you are installing are compatible with
your computer.
• Reinstall the memory modules and
restart the computer.
• If the problem persists, contact Dell.
For more information on contacting
Dell, see your
User’s Guide
.
Light Pattern
Problem Description
Suggested Resolution
= yellow
= green
= off
A B C D
A B C D
A B C D
Summary of Contents for Precision U3525
Page 4: ...4 Contents ...
Page 21: ...Quick Reference Guide 21 release button security cable slot padlock ring release button ...
Page 38: ...38 Quick Reference Guide w w w d e l l c o m s u p p o r t d e l l c o m ...
Page 44: ...4 Sommaire ...
Page 84: ...4 Inhalt ...
Page 120: ...40 Schnellreferenzhandbuch w w w d e l l c o m s u p p o r t d e l l c o m ...
Page 126: ...4 Sommario ...
Page 166: ...4 Contenido ...
Page 202: ...40 Guía de referencia rápida w w w d e l l c o m s u p p o r t d e l l c o m ...