How to fix 0xc0430001 blue screen when turning on the laptop

Question

How to fix 0xc0430001 blue screen when turning on the laptop

Anna Breus 20

The system stops at the Window Recovery screen with:

”Your PC/Device needs to be repaired”

”An unexpected error has occurred.”

Error code: 0xc0430001

HP laptop, Windows 11, x64

Tried different recovery options from Recovery menu - unsuccessful. I have access to cmd from there, but not sure what I should do.

It would be great not to reset all the data on this device.

Thanks in advance!

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Answer 1

David-M 127.7K Independent Advisor

Hi. I'm David, and I'm happy to help you.

Error 0xc0430001 often occurs during a secure boot rollout or after a recent Windows update.

Do you happen to know if Windows installed any updates?

Please perform this procedure:

(Note: If BitLocker is enabled on your device, make sure you have access to your Microsoft Account to retrieve your recovery key if prompted)

Turn off your laptop by holding down the power button;
Turn it back on and immediately start pressing F10 to open your BIOS/UEFI settings;
Navigate to "System Configuration > Boot Options" (or Security);
Change Secure Boot to "Disabled";
Press F10 to Save and Exit, then check if Windows boots properly.

If the system boots correctly, please share a screenshot of your system information.

Press "Windows + R", type msinfo32 and press Enter.

Maximize the window and use the shortcut "Windows + Shift + S" to use the screenshot tool.

Looking forward to your reply.

Feel free to ask any questions you may have.

Anna Breus 20 Reputation points

2026-09-21T15:15:43.0666667+00:00

Hello, David! Thank you.

Not sure about recent Windows updates, maybe it happened automatically.

But what happened before this error: we used AOMEI, but it finished its process successfully.

Regarding your suggested procedure: I disabled Secure Boot in Boot options but after save it still shows that blue screen with same error.
David-M 127.7K Reputation points Independent Advisor

2026-09-21T15:49:09.1233333+00:00
Thanks for the update.

Knowing that AOMEI was used right before the error helps. In this case, I suspect AOMEI altered the partition identifiers during its process. When this happens, the Windows boot file becomes "lost", pointing to a location that has changed, which can trigger the error 0xc0430001.

Since disabling Secure Boot didn't resolve it, you will need to rebuild your boot configuration. Before suggesting any repair commands, I first need to check how the Recovery Environment has mapped your drive letters, as they are usually assigned differently in this mode.

Please run these diagnostic steps in Command Prompt:

Type diskpart and press Enter.

Type list volume and press Enter.

After running the last command, please reply with what you see on the screen (or share a photo of the table), specifically checking:

Which drive letter is assigned to your large NTFS partition (your main Windows drive).

Which Volume number corresponds to the small FAT32 partition (around 100MB to 500MB).

Looking forward to your reply.

Feel free to ask any questions you may have.
Anna Breus 20 Reputation points

2026-09-21T15:55:59.0166667+00:00

Here it is
David-M 127.7K Reputation points Independent Advisor

2026-09-21T16:16:33.95+00:00
Thanks for the photo.

Details you need to pay attention to:

Volume 0 (C:) is your main Windows drive.

Volume 2 is your EFI boot partition (100 MB FAT32).

If you closed Command Prompt or restarted the laptop while waiting, please run diskpart again first so you can verify the volume numbers still match the photo you shared.

Type diskpart and press Enter;

Type list volume and press Enter.

Once you see the volume list on your screen, confirm if Volume 0 is C: and Volume 2 is FAT32. If everything is as shown in the photo you shared, follow these steps.

Type select volume 2 and press Enter;

Type assign letter=S and press Enter;

Type exit and press Enter.

Then, type the command below and press Enter to rebuild your boot files:

bcdboot C:\Windows /s S: /f UEFI

You should see the message: "Boot files successfully created."

If you see that success message, close the Command Prompt window and click Continue to start Windows 11.

If you get an error message instead (like "Failure when attempting to copy boot files"), please don't restart yet; take a photo of the screen and share it with me so I can guide you properly.

Please let me know how it goes.

Feel free to ask any questions you may have.
Anna Breus 20 Reputation points

2026-09-21T16:21:35.7666667+00:00

Boot files were successfully created but after “Continue to start Windows 11” it shows blue screen again with the same error 🥲
David-M 127.7K Reputation points Independent Advisor

2026-09-21T16:42:15.7566667+00:00
Since the blue screen still appears when Windows starts loading, my suspicion is that the operation from AOMEI likely left file system errors or corrupted system files on your C: drive.

To fix this, here are some steps to repair both the file system and system files:

Type chkdsk C: /f and press Enter.

You may be asked to dismount the volume; type Y and press Enter. Let the scan finish.

Next, assign the boot drive letter again so the file repair scanner can locate it:

Type diskpart and press Enter.

Type select volume 2 and press Enter.

Type assign letter=S and press Enter.

Type exit and press Enter.

Now, run the system file repair tool:

Type sfc /scannow /offbootdir=S:\ /offwindir=C:\Windows and press Enter.

Once the scan finishes, close Command Prompt and click "Continue" to start Windows 11.

If you get an error message during the scan or still see the blue screen, please take a photo and share it with me.

Please let me know how it goes.

Feel free to ask any questions you may have.
Anna Breus 20 Reputation points

2026-09-21T16:54:01.7433333+00:00

Here what it says
David-M 127.7K Reputation points Independent Advisor

2026-09-21T17:09:45.3033333+00:00

Fixing the boot files was successful earlier, but what AOMEI did probably caused deeper file system corruption on your C: drive.

The cleanest and most reliable solution now is to perform a fresh installation of Windows 11. This will give you a clean system.

Your personal files (photos, documents, downloads) do not have to be lost. Before reinstalling Windows, your files can be safely copied to an external drive right from WinRE using a quick built-in trick.

To proceed, you will need an external drive or USB flash drive with enough free space to make a backup of your personal files and a second USB flash drive that can be erased to create the Windows 11 installation media (this will need to be created using another working Windows PC).

Do you have these drives available?

Feel free to ask any questions you may have.
Anna Breus 20 Reputation points

2026-09-21T18:21:33.4533333+00:00

Oh, I see 🥲 How much space do I need for the USB that will contain Windows installation files? And for my own files I need to get some external drive. But could you please describe step by step instruction so that I can do it later?
David-M 127.7K Reputation points Independent Advisor

2026-09-21T18:30:31.5333333+00:00
According to Microsoft's instructions, the USB flash drive used to create the installation media must have a capacity of at least 8 GB.

Follow the steps below to back up your files.

Start the computer in the recovery environment;

On the Choose an option screen, select "Troubleshoot > Advanced options > Command Prompt";

In Command Prompt, type the command below and press Enter.

notepad

Notepad will open. Click on "File" and select "Save As";

A window will open that allows you to browse the files on your computer. Through this window, you can make a copy of your files.

Note: Your files will be in the C:\Users\<username> folder.

Do you know how to create the installation media and perform a clean install, or do you need the steps?

Feel free to ask any questions you may have.
Anna Breus 20 Reputation points

2026-09-21T18:40:12.2766667+00:00

Thank you!

Do you mean this?
David-M 127.7K Reputation points Independent Advisor

2026-09-21T18:46:15.3+00:00

Yes. The tool is simple and guides you through the process.

Regarding the clean install after creating the installation media, access the article below, go to the end of the article, and see the instructions under "Steps to reinstall Windows with media > Clean install".

https://support.microsoft.com/en-us/windows/reinstall-windows-with-the-installation-media-d8369486-3e33-7d9c-dccc-859e2b022fc7#:~:text=Steps%20to%20reinstall%20Windows%20with%20media

In your case, start the computer using the installation media and proceed from step 3.

Feel free to ask any questions you may have.
Anna Breus 20 Reputation points

2026-09-21T18:49:59.03+00:00

Ok, thank you very much! I’ll get back to you within a few days about how things are going.
David-M 127.7K Reputation points Independent Advisor

2026-09-21T18:52:48.23+00:00

Glad to help.

If you have any questions, don't hesitate to ask.
Anna Breus 20 Reputation points

2026-09-25T11:14:51.6+00:00

Hello! I managed to reinstall everything, and now it works 🥳 thank you! Have a great day!