Hard disk error( 3f4)

[Jaydebray1990]

Desktop pc, model no. 270-p033in (Edited), HARD DISK ERROR (3F4), WHEN DIAGNOSTICS HARD DISK PASSED AND OS RUN BUT WHEN I SHUT DOWN MY PC THE SAME ERROR APPEAR

[zoey7886]

@Jaydebray1990, Welcome to the HP Support Community!  

Thanks for reaching out about your query regarding Hard disk error (3F4)! 

We're thrilled to have the opportunity to assist you and provide a solution.  

I understand how frustrating it can be to see a hard disk error (3F4) every time you shut down your PC, especially when the diagnostics show that the hard disk has passed. Let’s work through this together and see what’s going on.

Here’s what I’d recommend trying next:

Run an Extensive Test: Since the hard disk passed the quick test, running an extensive test might give us more details about any underlying issues. This test will take longer, but it’s more thorough.

Check for an Error Code: After running the extensive test, if you receive a 24-character error code, please share it here — it’ll help us narrow down the issue faster.

Refer to the 3F0 Error Code Document: The 3F4 error is related to a hard disk issue, similar to a 3F0 error. You can check out this HP support document for more details and troubleshooting steps:
👉 HP PCs – Hard disk error displays before the computer starts in Windows 10

Try these steps, and let me know how it goes. If the issue persists, we’ll figure out the next steps together. 😊  

Take care, and have an amazing day!  

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Regards,