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HP Customer Support - Knowledge Base

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    We are temporarily closing our Service Centre. For details, please call our hotline

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    Need Windows 11 help?

    Check documents and videos on compatibility, FAQs, upgrade information and available fixes. Windows 11 Support Center

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Run the Extensive Test (2 hours or more)

Run the Extensive Test if no system component failed during the Fast Test.

  1. Hold the power button for at least five seconds to turn off the computer.

  2. Turn on the computer and immediately press esc repeatedly, about once every second. When the menu appears, press the f2 key.

  3. On the HP PC Hardware Diagnostics (UEFI) main menu, click System TestsExtensive Test.

  4. Click either Run once or Loop until error.

    While the test is running, the time remaining and test result for each component is displayed on the screen.

  5. If a component fails a test, write down the failure ID (24-digit code) for when you contact HP Customer Support. The information is also available in Test Logs on the main menu.


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Country/Region: Hong Kong SAR

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