Dell PP22L manual Troubleshooting, Dell Technical Update Service, Dell Diagnostics, 107

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 127 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 203).

Start the Dell Diagnostics from your hard drive or from your Drivers and Utilities media (see "Drivers and Utilities Media" on page 15).

Troubleshooting

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