Dell Precision 530 Setup and Quick Reference Guide - Page 36

Light Pattern, Cause, Action, See System Board Problems and Hardware

Page 36 highlights

www.dell.com | support.dell.com D i a g n o s t i c L i g h t C o d e s D u r i n g P O S T (continued) Light Pattern A B C D Cause Action Possible USB failure. Disconnect all USB devices and cables, and restart the computer to retest. Then reconnect all USB devices and cables, and restart the computer to retest. If the problem is still not resolved, contact Dell for technical assistance. Possible system board resource and/or hardware See "System Board Problems" and "Hardware failure. Conflicts" in the User's Guide. A B C D Possible system board resource and/or hardware See "System Board Problems" and "Hardware failure. Conflicts" in the User's Guide. A B C D Possible expansion card failure or conflict. See "System Board Problems" and "Hardware Conflicts" in the User's Guide. A B C D Possible system board resource and/or hardware See "System Board Problems" and "Hardware failure. Conflicts" in the User's Guide. A B C D Normal operating condition after POST. No action is necessary. A B C D = yellow = green = off 36 Setup and Quick Re ference Guide

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36
Setup and Quick Reference Guide
www.dell.com | support.dell.com
Possible USB failure.
Disconnect all USB devices and cables, and
restart the computer to retest. Then reconnect
all USB devices and cables, and restart the
computer to retest.
If the problem is still not resolved, contact Dell
for technical assistance.
Possible system board resource and/or hardware
failure.
See "System Board Problems" and "Hardware
Conflicts" in the
User’s Guide
.
Possible system board resource and/or hardware
failure.
See "System Board Problems" and "Hardware
Conflicts" in the
User’s Guide
.
Possible expansion card failure or conflict.
See "System Board Problems" and "Hardware
Conflicts" in the
User’s Guide
.
Possible system board resource and/or hardware
failure.
See "System Board Problems" and "Hardware
Conflicts" in the
User’s Guide
.
Normal operating condition after POST.
No action is necessary.
Diagnostic Light Codes During POST
(continued)
Light Pattern
Cause
Action
= yellow
= green
= off
A B C D
A B C D
A B C D
A B C D
A B C D
A B C D