NVIDIA-SMI 'No devices were found' even though drivers installed successfully

I am having bother using NVIDIA graphics card. I am getting the error ‘NO devices were found’ even though the graphics card is recognized in ‘software and updates’. I am using a a GeForce RTX 3070 Ti. I have attached the bug report. Any help would be greatly appreciated.
nvidia-bug-report.log (1.1 MB)

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is that an egpu?
https://forums.developer.nvidia.com/t/k-ubuntu-22-10-not-booting-kernel-oops-for-driver-450-with-egpu/235008/3?u=generix

yes an egpu, I’ve tried bios update but no fix.