The computer 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 PSA, write down the error code(s) and see "Contacting Dell" on page 129.

If the PSA completes successfully, the following message appears: “Booting Dell Diagnostic Utility Partition. Press any key to continue.”

NOTE: If you see a message stating that no diagnostics utility partition has been found, run the Dell Diagnostics from your Drivers and Utilities media (see "Starting the Dell Diagnostics From the Drivers and Utilities Media" on

page 81).

3Press any key to start the Dell Diagnostics from the diagnostics utility partition on your hard drive.

4Press <Tab> to select Test System and then press <Enter>.

NOTE: It is recommended that you select Test System to run a complete test on your computer. Selecting Test Memory initiates the extended memory test, which can take up to thirty minutes or more to complete. When the test completes, record the test results and then press any key to return to the previous menu.

5At the Dell Diagnostics Main Menu, left-click with the touch pad/mouse, or press <Tab> and then <Enter>, to select the test you want to run (see "Dell Diagnostics Main Menu" on page 82).

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

6After all tests have completed, close the test window to return to the Dell Diagnostics Main Menu.

7Close the Main Menu window to exit the Dell Diagnostics and restart the computer.

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Troubleshooting Tools

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Dell 1200 owner manual Troubleshooting Tools