Broadcom Corporation BRCM1020 Manuel D’Utilisation

Troubleshooting

101

Troubleshooting

Dell Technical Update Service

The Dell Technical Update service provides proactive e-mail notification of 
software and hardware updates for your computer. The service is free and can 
be customized for content, format, and how frequently you receive 
notifications.

To enroll for the Dell Technical Update service, go to 
support.dell.com/technicalupdate.

Dell Diagnostics

 

CAUTION: 

Before you begin any of the procedures in this section, follow the 

safety instructions in the Product Information Guide.

When to Use the Dell Diagnostics

If you experience a problem with your computer, perform the checks in 
"Lockups and Software Problems" on page 117 and run the Dell Diagnostics 
before you contact Dell for technical assistance.

It is recommended that you print these procedures before you begin.

 

NOTE: 

The Dell Diagnostics only operate on Dell computers.

Enter system setup, review your computer’s configuration information, and 
ensure that the device you want to test displays in system setup and is active 
(see "Using the System Setup Program" on page 175).

Start the Dell Diagnostics from your hard drive or from your 

Drivers and 

Utilities media (see "Drivers and Utilities Media" on page 13).

Starting the Dell Diagnostics From Your Hard Drive

The Dell Diagnostics is located on a hidden diagnostic utility partition on 
your hard drive.

 

NOTE: 

If your computer cannot display a screen image, contact Dell (see