Accidentally deleted contents of grub partition

I seem to have accidentally deleted contents of grub partition. What might be the best solution without loosing all my files? I have Fedora 43 and Windows 10 installed on a Dell Workstation. 2TB HD. Thanks in advance for any ideas.

Although I’ve never had to do it, it seems that you can reinstall GRUB from a live environment: Chapter 12. Reinstalling GRUB | Managing, monitoring, and updating the kernel | Red Hat Enterprise Linux | 9 | Red Hat Documentation

Looks hopeful. Thanks. I’ll try just as soon as I can get the ISO to boot up so I can see a terminal. I’ll let you know how I get on.

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Well, it didn’t really work as advertised. I think it depends on having the exact same configuration, or something like that. So, after spending 24 fruitless hours, I finally made a fresh install trying to preserve my original files following the options. Result; not too bad, but I will have quite a lot to do to get files recovered and ordered. I do however have a bootable unit. Many thanks for your advice.

Fair enough, I suppose… I’m glad you’ve got to a (mostly) working system.