How to run LCD Built-In Self Test on Dell Laptop?

A user requires running Built-In Self Test (BIST), when the videos are not displaying properly on the Dell laptop screen. It is done to check whether the problem is with the screen or some other issues are occurring with the LCD. This method helps the user to identify the actual problem of the screen. This test is also helpful in detecting the fuzzy text, lines and images of poor resolution on the screen. If no video is shown, then you can try an external monitor to see if that works. It becomes easy for the user to determine whether this is the physical problem with the Dell LCD or a minor issue which can be solved in a short time at home.

Customer_care_header2BLook at the following points and perform them step by step to run the Built-In Self test on your Dell Laptop:

Method 1.

  • Turn off the Dell Laptop.
  • Now, you have to press and hold D key with Power button. Doing this will start the Laptop LCD BIST.
  • The screen will show numerous flashing colors. Look at the screen properly for any lines, distortion, or any other video problem.
  • The system will reboot itself when the test is finished.

Method 2.

  • Turn off your Dell laptop.
  • Now, you have to press and hold down the Fn key with Power button. When the Dell Pre-Boot System Assessment opens on the screen release both keys.
  • The Dell laptop now will run the series of tests.
  • When the system shows a series of horizontal and vertical color bars, it will ask you “Do you see the color bars? Yes/No. You have to answer accordingly.
  • Next, you have to enter the Laptop LCD BIST by pressing N key. A user must answer within 30 seconds because if you don’t respond within given time, it will automatically assume your answer as a No and continue to the self test.
  • The screen will show numerous flashing colors. Look at the screen properly for any lines, distortion, or any other video problem.
  • The system will restart automatically when the test is finished.

If you still face some issues in running the test, then a much better solution is to call Dell support number Australia 1-800-857-379, who gives the best remedy for technical issues. Anyone is free to call us for related queries, the customers are assigned with our experienced executive who discusses the problem with the user and provides him the appropriate way to solve out the error.

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