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Troubleshooting 83
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
http://support.dell.com/technicalupdate
.
Dell Diagnostics
Fill out the Diagnostics Checklist (see "Diagnostics Checklist" on page 163) as you complete these
checks.
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 95 and run the Dell Diagnostics before you contact Dell for technical assistance.
It is recommended that you print these procedures before you begin.
A possible graphics
card/video failure has
occurred.
• Reseat any installed graphics cards.
• If available, install a working graphics
card into your computer.
• If the problem persists, contact Dell
Support.
A possible LCD failure
has occurred.
• Reseat the LCD cable (see your
computer’s
Service Manual
).
• If the problem persists, contact Dell
Support.
A possible keyboard
failure has occurred.
• Reseat the keyboard (see "Keyboard"
on page 126).
• If available, connect an external
keyboard.
• If the problem persists, contact Dell
Support.
A possible modem
failure has occurred.
• If available, install a working modem
into your computer.
• If the problem persists, contact
contact Dell Support.
Light Pattern Problem Description Suggested Resolution