Sonoma not installing on HP Elitebook

Hi,

I tried to install macOS Sonoma (14.2.1) on my HP Elitebook 850 G4, but it keeps getting stuck on installation (screenshot).

I also generated a new unique Serial Number.

https://preview.redd.it/1mk7ctri480d1.jpg?width=1536&format=pjpg&auto=webp&s=5e2123c75644f12c53aa0dd3739a88148236794a

When using a different EFI i get this message:

https://preview.redd.it/tk4jtqkq480d1.jpg?width=1536&format=pjpg&auto=webp&s=2bfbd29f09b7fc177478edde22a4b486bfd1e536

Could somebody please help me?