Installed the firmware but now it's not posting

Title says it all, I was trying to install linux on my asus cm34 flip. I did the UEFI firmware and restarted it now only the keyboard and the fans start. I think I might have messed up by only doing part of it and then powering off, it finished but then gave me an option to install or update, and I thought that was a generic thing that every software has and powered off instead. How screwed am I?

Were you able to get a response? I just had something similar happen on my Samus and now I’m anxious.

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