moving to a new server, wont boot – General Support

im moving from an old lenovo to a new ryzen 5 mini pc. i cant get the mini PC to boot to unraid. itll boot to a proxmox installer, windows, everything else.

eventially i was directed to another thread where it was suggested to edit the name of the EFI folder on the flash drive. i created a new installer to test, removed the character and it booted on the new pc. victory!

but now i need to make the edit to the existing flash drive. Can i just shut it down, pop the usb into my desktop, edit the name of the folder, plug it back in and fire it back up? Or do i actually have to set it up as a new install, then copy the config folder over with the edited folder name? I dont want to mess up my array, so i just want to make sure ive got my ducks in a row before i mess something up. for reference, this is where i found that info. is this current and accurate? anything i need to look out for? im worried ill break my array or something.

any help would be much appreciated! i just want to get up and running on my new hardware.