Dell XPS 420 owner manual Troubleshooting LCD Display Problems

book.book Page 98 Tuesday, November 27, 2007 10:29 AM

Troubleshooting LCD Display Problems

LCD display includes a built in self-test which allows the user to diagnose and troubleshoot any issues related to the application.

To run the Built-in Self-Test

1Ensure that the system is switched off.

2Press and hold the menu button (see "Understanding Windows® SideShow™ and the LCD display" on page 50).

3Power the system on. Release the menu button.

4The system enters diagnostic test menu.

5Select Run All Test.

6When all the tests are completed, the screen displays a Passed (displayed in Green) or Failed (displayed in Red) message.

7Note down the error code and the Failed message description and contact Dell (see "Contacting Dell" on page 200).

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Troubleshooting