Dell Precision 390: Light Pattern Problem Description Suggested Resolution

Light Pattern Problem Description Suggested Resolution: Dell Precision 390

Table of contents

Light Pattern Problem Description Suggested Resolution

A possible expansion card failure

1

Determine if a conflict exists by

has occurred.

removing a card (not the graphics

card) and then restarting the

computer. For more information

on removing a card, see your

User’s

Guide

.

2

If the problem persists, reinstall

the card that you removed, remove

a different card, and then restart

the computer.

3

Repeat this process for each card.

If the computer starts normally,

troubleshoot the last card removed

from the computer for resource

conflicts (see"Resolving Software and

Hardware Incompatibilities" on

page 32).

4

If the problem persists, contact Dell.

For instructions on contacting Dell,

see your

User’s Guide

.

A possible graphics card failure

If the computer has a graphics card,

has occurred.

remove the card, reinstall it, and

then restart the computer.

If the problem still exists, install a

graphics card that you know works

and restart the computer.

If the problem persists or the

computer has integrated graphics,

contact Dell. For instructions on

contacting Dell, see your

User’s Guide.

A possible floppy or hard drive failure

Reseat all power and data cables

has occurred.

and restart the computer.

A possible USB failure has occurred. Reinstall all USB devices, check cable

connections, and then restart the

computer.

Quick Reference Guide 39