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NOTE: The Drivers and Utilities media is optional and may not ship with your computer.
NOTE: The Dell Diagnostics only operate on Dell computers.
Starting the Dell Diagnostics From Your Hard Drive
Before running the Dell Diagnostics, enter system setup to review your computer's configuration information, and ensure that
the device you want to test is displayed in system setup and is active. For more information on using the system setup
program, see the Dell™ Technology Guide on your computer or at support.dell.com.
The Dell Diagnostics is located on a separate diagnostic utility partition on your hard drive.
NOTE: If the computer is connected to a docking device (docked), undock it. See the documentation that came with
your docking device for instructions.
NOTE: If your computer does not display a screen image, contact Dell Support.
1. Ensure that the computer is connected to an electrical outlet that is known to be working properly.
2. Press and hold the
NOTE: Alternatively, you can select Diagnostics from the one-time boot menu at startup to boot to the
diagnostic utility partition and run the Dell Diagnostics.
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 Pre-boot System Assessment, write down the error code(s) and contact
Dell Support.
If the Pre-boot System Assessment 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).
3. Press any key to start the Dell Diagnostics from the diagnostics utility partition on your hard drive.
4. Press
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.
5. At the Dell Diagnostics Main Menu, left-click with the touch pad/mouse, or press
the test you want to run (see Dell Diagnostics Main Menu).
NOTE: Write down any error codes and problem descriptions exactly as they appear and follow the instructions
on the screen.
6. After all tests have completed, close the test window to return to the Dell Diagnostics Main Menu.
7. Close the Main Menu window to exit the Dell Diagnostics and restart the computer.
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).
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