w w w . d e l l . c o m s u p p o r t . d e l l . c o m

Light Pattern

Problem Description

Suggested Resolution

 

 

 

 

Another failure has occurred.

• Ensure that the cables are properly

 

 

connected to the system board from

A B C

D

the hard drive, CD drive, and DVD

drive (see page 75).

• If there is an error message on your screen identifying a problem with a device (such as the floppy drive or hard drive), check the device to make sure it is functioning properly.

• The operating system is attempting to boot from a device (such as the floppy drive or hard drive); check system setup (see page 119) to make sure the boot sequence is correct for the devices installed on your computer.

• If the problem persists, contact Dell (see page 131).

The computer is in a normal operating None. condition after POST.

A B C D

= yellow = green = off

Dell Diagnostics

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions located in the Product Information Guide.

When to Use the Dell Diagnostics

If you experience a problem with your computer, perform the checks in "Solving Problems" (see page 37) and run the Dell Diagnostics before you contact Dell for technical assistance.

NOTICE: The Dell Diagnostics works only on Dell™ computers.

Start the Dell Diagnostics from either your hard drive (see page 56) or from the Dell Dimension ResourceCD.

56

Advanced Troubleshooting

Page 56
Image 56
Dell WHL, U7021 manual When to Use the Dell Diagnostics, Hard drive, CD drive, and DVD, Drive see