How can I fix a Bitlocker protected laptop which doesn't have a local admin account that's displaying the orange screen of death

I have a BitLocker protected Win 10 laptop (no TPM, just password) that's suddenly displayed this orange screen with white vertical lines -

Windows 10 Shows Orange Screen with White Vertical Lines on boot

Once at this screen I can only reboot or go to the BitLocker recovery screen. No BIOS or firmware updates were done, but this could have been caused by some recent Windows updates.

The BIOS menu displays and so does the BitLocker recovery screen. Upon entering the BitLocker recovery screen I'm presented with advanced troubleshooting options - none of which I can use as I don't have a local admin account (looks like group policy stripped this out -the laptop is domain joined).

Given that I don't have a local admin account to run commands like "fixmbr" and perform a PC restore I'm pretty stuck - before I nuke the laptop and re-install the OS, I wanted to check if there are any options (I'm thinking something like running a Peter Nordahl boot disk and creating a local admin account)?

Thanks in advance

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