Boot device not found

Okay, there is an ubuntu Entry. And 2 for Fedora. Do You have Fedora installed?

What I can see is that the Fedora Entries are GPT. The ubuntu Entry is in MBR. Maybe this is the Problem. Does Your BIOS run in Legacy or UEFI Mode? GPT is better for UEFI and MBR for Legacy.

Depending on Your Setup, You could try to change the MBR to GPT like here explained from @Aravisian:

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