How Run Hardware Diagnostics On The Lcd Screen Of Dell Laptop?

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How Run Hardware Diagnostics On The Lcd Screen Of
Dell Laptop?
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• When you buy a Dell laptop PCs, they come with an
  in-built diagnostic tool that is useful for you
  to decide if the display abnormality you are
  facing is an inbuilt trouble with the LCD screen
  of the Dell laptop PC or with the video card and
  settings. When you notice any abnormalities on
  your Dell systems screen like flickering,
  clarity problems, fuzzy or blurry image,
  distortion, horizontal vertical lines, color
  face, etc then isolate the LCD screen by running
  the built-in self-test. Here are guidelines to
  help you provided by the experts of Dell Customer
  Service. Follow each step carefully without
  skipping any.

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• Procedure 1
• 1. Turn off the Dell laptop PC.
• 2. You have to disconnect the peripherals that
  are connected to your system and connect the
  charger to it.
• 3. Ensure that LCD screen is clean if not then
  clean as no dust particles should be there on the
  screen.

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• 4. Press and hold the D key and turn on the PC to
  enter the LCD in-built self-test (BIST) mode.
• 5. Continue to hold the D key until the color of
  the entire display changes. It can turn into red,
  black, white, green blue.
• 6. Now, inspect the screen for defects.
• 7. Exit by pressing the Esc key.

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• If you are not satisfied with the above method
  mentioned then you can follow this alternative
  method
• 1. Turn off your Dell laptop and disconnect the
  connected peripherals.
• 2. Only connect the AC Adapter to your device.
• 3. Clean the display if there is any dust
  particle on its surface.

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• 4. Press and Fn key and turn on your system to
  open ePSA or PSA diagnostic mode.
• 5. Release the Fn key only when the desired
  diagnostic mode opens.
• 6. PSA will start running a series of tests on
  the system.

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• 7. When you see a message Do you see the color
  bars? Yes/No, Press the N key and enter the LCD
  built-in self-test mode.
• 8. You will multiple color bars on the screen,
  inspect the display for deformities.
• 9. Once the tests complete, the PC will restart.

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• In case no abnormalities are detected in the
  in-built self mode, the system will work
  normally. You can proceed to the next steps i.e.
  update the Video card (GPU) driver, monitor
  driver BIOS. How to do that? Contact Dell Help
  Number and get the method to fix your problems.
  You can also get your system repaired that is
  experiencing any other issues.

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Contact Us-

• If You have any query regarding laptop and
  computer make a call at Dell Help Number
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