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