If you mount sda1 and sda4
Manual mount, must be unmounted if mounted automatically by nautilus file brower. Do this for both sda1 and sda3
sudo mkdir /mnt/sda1
sudo mount /dev/sda1 /mnt/sda1
cd /mnt/sda1
ls -l
If you see a Microsoft folder or an efi folder change to it. I want to see if any efi files.
cd /Microsoft
ls -l
This issue is the efi partition should be first, but it is bit unusual to have a FAT32 later on drive with UEFI system. Maybe the original efi partition was copied like the main c: drive? And then sda1 reformatted. If sda1 is empty I would prefer to convert it to the efi partition. And if either have a Microsoft folder with efi files that would be great.
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