Dell T3400 manual Starting the Dell Diagnostics From Your Hard Drive

See "System Setup" in your User’s Guide to review your computer’s configuration information, and ensure that the device that you want to test displays in System Setup and is active.

NOTE: The Dell Diagnostics works only on Dell computers.

NOTE: Print the following procedures before you run the Dell diagnostics.

Starting the Dell Diagnostics From Your Hard Drive

The Dell Diagnostics is located on a separate diagnostic utility partition on your hard drive.

NOTE: If your computer cannot display a screen image, see "Contacting Dell" in your User’s Guide.

1Turn on (or restart) your computer.

2When the DELL logo appears, press <F12> immediately.

NOTE: Keyboard failure may result when a key is held down for extended periods of time. To avoid possible keyboard failure, press and release <F12> in even intervals to open the Boot Device Menu.

NOTE: If at any time a message appears stating that no diagnostics utility partition has been found, run the Dell Diagnostics from your Drivers and Utilities disc (see "Starting the Dell Diagnostics From the Drivers and Utilities Disc" on page 43).

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 computer and try again.

3At the Boot Device Menu, use the up- and down-arrow keys or press the appropriate number on the keyboard to highlight Boot to Utility Partition, and then press <Enter>.

NOTE: The Quickboot feature changes the boot sequence for the current boot only. Upon restart, the computer boots according to the boot sequence specified in System Setup.

4At the Dell Diagnostics Main Menu, left-click with the mouse, or press <Tab> and then <Enter>, to select the test you want to run (see "Dell Diagnostics Main Menu" on page 44).

NOTE: Write down any error codes and problem descriptions exactly as they appear and follow the instructions on the screen.

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Quick Reference Guide