User Manual

Table Of Contents
Troubleshooting 91
Troubleshooting
Dell Technical Update Service
The Dellâ„¢ 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 102 and run the Dell Diagnostics before you contact Dell for technical assistance.
It is recommended that you print these procedures before you begin.
NOTICE: The Dell Diagnostics works only on Dell computers.
Start the Dell Diagnostics from either your hard drive or from the Drivers and Utilities CD (also
known as the ResourceCD).
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 "Contacting Dell" on page 154.
1
Shut down the computer.
2
Connect the computer to an electrical outlet.
3
Diagnostics can be invoked one of two ways:
a
Turn on the computer. When the DELLâ„¢ logo appears, press <F12> immediately. Select
Diagnostics from the boot menu and press <Enter>.
NOTE: The keyboard must be awake to recognize the keystroke. Ensure the keyboard is awake by
touching the touchpad.