the operating system couldn't be loaded because a critical system driver is missing

[saratkottakki]

seeing below message when ever I try to start my hp spectre windows laptop. I am running windows 11. I have bit locker enabled for the laptop. Even the safe mode windows is not starting. I don’t have installation media.

your pc needs repair the operating system couldn't be loaded because a critical system driver is missing or contains errors. File: |WINDOWS\system32\drivers\nllVmm.sys Error code: 0xc000007b

unable to start the spectre laptop.

[zoey7886]

@saratkottakki, Welcome to the HP Support Community!  

Thanks for reaching out about your query regarding HP Spectre x360 Convertible Laptop PC 14-ea0000! 

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

It appears that your HP Spectre x360 Convertible Laptop is experiencing a boot error related to a missing or corrupt system driver, specifically nllVmm.sys, with the error code 0xc000007b. This typically indicates a problem with kernel or system drivers essential for starting Windows.

Possible Solutions:

BIOS Update:

• Ensure your BIOS is updated to the latest version. For the issues encountered with HP Spectre x360 models, updating the BIOS can sometimes resolve such errors.
• You can download the BIOS update from HP’s official site: HP Driver and Software Downloads. Check for Windows 11 support.

Recovery with SoftPaq:

• HP offers a SoftPaq for updating BIOS, which might help in resolving boot-related issues.
• Download and install the SoftPaq to update the BIOS. Refer to SP111176 File Download for downloading the BIOS update.

BitLocker Considerations:

• Ensure BitLocker settings are correctly configured, as this can impact the ability to boot. You might need to temporarily disable BitLocker during troubleshooting.

Recovery Options:

• If no installation media is available and recovery modes fail to start, consider using another PC to download the media creation tool from Microsoft’s website to build a bootable USB drive for recovery purposes. 

Hope this helps! 

Take care, and have an amazing day!  

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Regards,