Dell Precision T3400 (Late 2007): Light Pattern Problem Description Suggested Resolution

Light Pattern Problem Description Suggested Resolution: Dell Precision T3400 (Late 2007)

Table of contents

Light Pattern Problem Description Suggested Resolution

Memory modules are

If two or more memory modules are

detected, but a

installed, remove the modules (see

memory failure has

"Removing a Memory Module" in your

occurred.

User’s Guide

), then reinstall one

module (see "Installing a Memory

Module" in your

User’s Guide

) and

restart the computer. If the computer

starts normally, continue to install

additional memory modules (one at a

time) until you have identified a

faulty module or reinstalled all

modules without error.

If available, install working memory of

the same type into your computer (see

"Memory" in your

User’s Guide

).

If the problem persists, contact Dell

(see "Contacting Dell" in your

User’s

Guide

).

A possible graphics

Reseat any installed graphics cards

card failure has

(see "Cards" in your

User’s Guide

).

occurred.

If available, install a working graphics

card into your computer.

If the problem persists, contact Dell

(see "Contacting Dell" in your

User’s

Guide

).

A possible floppy or

Reseat all power and data cables and

hard drive failure has

restart the computer.

occurred.

If the problem persists, contact Dell

(see "Contacting Dell" in your

User’s

Guide

).

A possible USB failure

Reinstall all USB devices, check cable

has occurred.

connections, and then restart the

computer.

If the problem persists, contact Dell

(see

"Contacting Dell" in your User’s

Guide

).

34 Quick Reference Guide