Dell PP12S manual 122

NOTE: If your Tablet-PC does not display a screen image, contact Dell (see "Contacting Dell" on page 26).

NOTE: If the Tablet-PC is connected to a docking device (docked), undock it. See "Undocking Your Tablet-PC From the Media Base" on page 212 and "Undocking Your Tablet-PC From the Battery Slice" on page 220 for instructions if applicable.

1Ensure that the Tablet-PC is connected to an electrical outlet that is known to be working properly.

2Turn on (or restart) your Tablet-PC.

3Start the Dell Diagnostics in one of the following two ways:

NOTE: If you wait too long and the operating system logo appears, continue to wait until you see the Microsoft® Windows® desktop; then, shut down your Tablet-PC and try again.

–When the DELL™ logo appears, press <F12> immediately. Select Diagnostics from the boot menu and press <Enter>.

NOTE: Before attempting the following option, the Tablet-PC must be powered down completely.

–Press and hold the <Fn> key while powering the Tablet-PC on.

NOTE: If you see a message stating that no diagnostics utility partition has been found, run the Dell Diagnostics from the Drivers and Utilities media.

The Tablet-PC runs the Pre-boot System Assessment (PSA), a series of initial tests of your system board, keyboard, display, memory, hard drive, etc.

•During the assessment, answer any questions that appear.

•If failures are detected during the Pre-boot System Assessment, write down the error code(s) and contact Dell (see "Contacting Dell" on page 26).

If the Pre-boot System Assessment completes successfully, the following message appears: "Booting Dell Diagnostic Utility Partition.Press any key to continue."

4Press any key to start the Dell Diagnostics from the diagnostics utility partition on your hard drive.

5When the Dell Diagnostics Main Menu appears, select the test you want to run. See "Dell Diagnostics Main Menu" on page 123.

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Troubleshooting