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  1. To run diagnostics on a Dell computer, follow these steps:
    1. Turn on your computer.
    2. At the Dell logo, press the F12 key several times until the One Time Boot Menu appears.
    3. On the boot menu screen, select the Diagnostics option.
    4. The diagnostic quick test will begin12.
    Learn more:

    Diagnostic Quick Test

    • Turn on your computer.
    • At the Dell logo, press the F12 key several times until the One Time Boot Menu appears.
    www.dell.com/support/kbdoc/en-us/000181163/ho…
    Save any open files and restart your Dell laptop. Tap the "F12" key when the blue Dell logo loads on the laptop's LCD screen. Use the down arrow key to navigate to the "Diagnostics" option in the "Boot" menu. Hit the "Enter" key and wait for the "32-bit Dell Diagnostics" screen to load.
    itstillworks.com/do-computer-diagnostics-dell-lapto…
     
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  3. How to Run a Dell Online Diagnostic Test

    Oct 2, 2024 · Dell's online diagnostic test helps you scan the computer for issues, recommends troubleshooting steps, get automated fixes, and order replacement parts. The online diagnostics test uses SupportAssist to scan the hardware.

  4. Perform a SupportAssist diagnostic on the keyboard

    Nov 26, 2024 · To diagnose the keyboard using SupportAssist, open the program and select "Troubleshooting." Choose "I want to check a specific piece of hardware" and select "Keyboard." Follow the prompts to tap each key and …

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