Getting a Recovery Key prompt is expected in certain situations such as after certain hardware or firmware configuration changes, because in that case it's occurring because the TPM has detected a change from its known and trusted configuration, so it refuses to release the decryption key automatically like it normally does, in case the change is part of an attempt to compromise the security of the system and steal the key. However that file doesnt run properly, it just shows the attached if you're getting a BitLocker Recovery Key prompt every time you start your system, then it sounds like there's a problem with the TPM. I've also tried to update the thunderbolt controller using this: Module exceeds resource budget, failed to AllocateFwCps, STATUS = Insufficient system resources exist to complete the API.' Inside the application log on the computer, on repeat is the following error message: The symptoms are, when connected, the windows 'device connected' then 'device disconnected' sound just plays on repeat. I've also completely formatted the machine too, still, the same symptoms. I've tried it with both an ATI and an NVIDIA GPU, so it's not GPU driver related, it has something to do with the Dell XPS 13 7390. First off, my eGPU works on a macbook and also works on my partners lenovo laptop, but refuses to work on the Dell XPS 13 7390.

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