HP PC Hardware Diagnostic
HP PC Hardware Diagnostic

When it comes to troubleshooting and diagnosing issues with HP computers, the HP PC Hardware Diagnostics UEFI tool is a lifesaver for many tech enthusiasts and professionals. This built-in tool offers a comprehensive suite of tests to help identify potential hardware issues, from memory problems to system board failures. In this article, we’ll delve into the intricacies of this diagnostic tool, guiding you through its features and how to use it effectively.

Oftentimes people’s first introduction to this feature is through an error outputted on their HP computer. Something will pop up on your screen along the lines of:

HP PC Hardware Diagnostics UEFI
Version BIOS
For more information please visit https://www.hp.com/go/techcenter/PCDiags

And you might find yourself stuck. No option to continue to boot. No option to proceed. So what do you do? Let’s learn more about this error message.

Understanding UEFI and Its Importance

UEFI, which stands for Unified Extensible Firmware Interface, is a modern replacement for the traditional BIOS (Basic Input/Output System) used in computers. It acts as the intermediary between a computer’s firmware and its operating system. UEFI offers faster boot times, improved security features, and support for larger hard drives, among other benefits.

What is HP PC Hardware Diagnostics UEFI?

The HP PC Hardware Diagnostics UEFI is a tool embedded in HP computers, allowing users to run diagnostic tests to determine if there are hardware-related issues with their machine. It operates independently of the operating system, meaning you can run diagnostics even if your computer fails to boot.

Accessing the Tool

  1. Power On/Restart: Begin by turning on or restarting your HP computer.
  2. Immediate Action: As soon as the computer starts, press the ‘F2’ key repeatedly until the HP PC Hardware Diagnostics UEFI menu appears.

Key Features and Tests

  1. System Tests: This provides a quick overview of your computer’s primary components, checking for any potential issues.
  2. Component Tests: Dive deeper into specific parts of your computer, such as the hard drive, memory, and processor, to pinpoint problems.
  3. Firmware Management: Update the diagnostic tool’s firmware to ensure you’re using the latest version with all available tests.
  4. Language: Change the tool’s language to one that you’re comfortable with.

Running a Diagnostic Test

  1. From the main menu, select the type of test you want to run (e.g., System Test or Component Test).
  2. Choose the specific component you want to test.
  3. Follow the on-screen instructions to initiate the diagnostic.

Interpreting Results

Once the test concludes, the tool will provide a summary of the results:

  • Passed: The hardware component is functioning correctly.
  • Failed: There’s a potential issue with the hardware component. The tool will provide a failure ID, which you can share with HP support for further assistance.

Encountering the HP PC Hardware Diagnostics UEFI Screen Several users have reported encountering a screen displaying the HP PC Hardware Diagnostics UEFI tool upon startup. This usually indicates a potential hardware problem, prompting the computer to run diagnostics.

Importance of Hardware Diagnostics Hardware diagnostics play a crucial role in identifying potential issues with the computer’s components. By running these tests, users can pinpoint the source of the problem and take appropriate action.

4. Running the Diagnostics

  • Fast Test: This is a quick test to identify any glaring hardware issues.
  • Extensive Test: If the Fast Test doesn’t find any problems but issues persist, this thorough test can be run to delve deeper.

Accessing the Diagnostics Tool If your computer cannot boot, you can access the diagnostics tool through the HP PC Hardware Diagnostics UEFI. Otherwise, it’s recommended to use the diagnostics in HP PC Hardware Diagnostics Windows.

Restoring BIOS to Default If you suspect an issue with the BIOS settings:

  • Turn off the computer.
  • Press the Power button and repeatedly press the F10 key to enter the BIOS setup.
  • In the BIOS Setup, press F9 to load default settings.
  • Press F10 to save and exit.

Updating the BIOS and Diagnostics Tool Keeping your BIOS and diagnostics tool updated ensures that you have the latest fixes and enhancements. HP provides links to update the BIOS and the HP PC Hardware Diagnostics UEFI tool.

Other Troubleshooting Steps

  • Press CTRL + Alt + Del on a blank screen.
  • Access Task Manager and run “msconfig”.
  • In the system configuration window, uncheck “App Readiness”.
  • Restart the computer.

Using HP Support Assistant

HP Support Assistant is a software tool that can help update drivers and run system diagnostics. It’s a handy tool for maintaining the health of your HP computer. If you suspect hardware issues, running system diagnostics can help identify the problem.

HP provides detailed articles on how to run these diagnostics. Some users have reported issues with the new HP PC Hardware Diagnostics for Windows not working correctly. It’s essential to ensure that the tool is downloaded and installed correctly.


The HP PC Hardware Diagnostics UEFI tool is an invaluable resource for HP computer users. This diagnostic tool is embedded in the UEFI firmware of HP computers and provides a range of tests to ensure that the hardware components are functioning correctly.

Whether you’re trying to troubleshoot a persistent issue or performing routine checks to ensure your machine is in top shape, this tool provides the insights you need. Remember, while the tool can identify hardware issues, always consult with professionals or HP support for repairs and replacements.


  1. Can I use the HP PC Hardware Diagnostics UEFI tool on non-HP computers?
    • No, this tool is specifically designed for HP computers and may not work on devices from other manufacturers.
  2. Is there a cost associated with using this tool?
    • No, the HP PC Hardware Diagnostics UEFI tool is a built-in feature on HP computers and is free to use.
  3. What should I do if the diagnostic tool doesn’t launch?
    • Ensure you’re pressing the ‘F2’ key immediately after powering on or restarting. If the issue persists, consult HP support.
  4. Can this tool fix hardware issues?
    • The tool can identify potential hardware problems but cannot fix them. You’ll need to consult with professionals for repairs.
  5. How often should I run hardware diagnostics?
    • While there’s no set frequency, it’s a good practice to run diagnostics if you notice any unusual behavior with your computer or as part of routine maintenance.
  6. What is the HP PC Hardware Diagnostics UEFI tool?
    • It’s a diagnostic tool provided by HP to test hardware components.
  7. How do I access the diagnostics tool?
    • It can be accessed through the UEFI firmware or HP PC Hardware Diagnostics Windows.
  8. What’s the difference between Fast Test and Extensive Test?
    • Fast Test is a quick test, while the Extensive Test is more thorough.
  9. How do I restore the BIOS to default settings?
    • Access the BIOS setup and select the option to load default settings.
  10. Why is updating the BIOS important?
    • It ensures you have the latest fixes and enhancements.
  11. What is the HP Support Assistant?
  12. What should I do if the diagnostics tool doesn’t work?
    • Ensure it’s correctly downloaded and installed. Seek assistance if needed.
  13. Why do I see the HP PC Hardware Diagnostics UEFI screen on startup?
    • It usually indicates a potential hardware problem.
  14. Can I run diagnostics on an external USB drive?
    • Yes, HP provides options to run diagnostics from an external USB flash drive.
  15. Is it essential to keep the diagnostics tool updated?
    • Yes, to ensure accurate results and the latest features.
Eric Chan

Hi! I’m Eric and I work on the knowledge base at GadgetMates.com.  You can see some of my writings about technology, cellphone repair, and computer repair here.

When I’m not writing about tech I’m playing with my dog or hanging out with my girlfriend.

Shoot me a message at ericchan@gadgetmates.com if you want to see a topic discussed or have a correction on something I’ve written.

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