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Fedora doesn't detect Windows 10 partition

asked 2016-09-14 20:58:21 -0500

noodledemyx gravatar image

Hello! Fedora doesn't detect my Windows 10 partition! I Can't boot on Windows and i can't find the Windows bootloader on the boot menu in the BIOS settings. Windows is installed in EFI since this computer is brand new. Fedora is installed in EFI too. I did a new /boot/efi partition

while i was setting up my partition it didn't say "Windows" but "Unknown" (you know, the title over the partitions list)

parted -l output:

Modello: ATA ST500LT012-1DG14 (scsi)
Disco /dev/sda: 500GB
Dimensione del settore (logica/fisica): 512B/4096B
Tabella delle partizioni: gpt
Flag del disco: 

Numero  Inizio  Fine   Dimensione  File system     Nome                          Flag
 1      1049kB  473MB  472MB       ntfs            Basic data partition          nascosta, diag
 2      473MB   578MB  105MB       fat16           EFI System Partition          avvio, esp
 3      578MB   595MB  16,8MB                      Microsoft reserved partition  msftres
 4      595MB   374GB  373GB       ntfs            Basic data partition          msftdata
 5      374GB   495GB  121GB       ext4            Basic data partition          msftdata
 6      495GB   500GB  5048MB      linux-swap(v1)

How can I fix this? I think the error is that there isn't any Windows 10 reference on the EFI partition (?) Already tried to update grub and put some code on the 40_custom file.

Thank you!!

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answered 2016-09-15 17:05:34 -0500

ssieb gravatar image

I'm guessing that you formatted the EFI boot partition. When installing on an EFI system that already has Windows, you should just use the existing EFI parition. You can run ls /boot/efi/EFI to verify that. If there is no Microsoft directory there, then you wiped it out.

See for how someone else fixed this after doing the same thing.

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Asked: 2016-09-14 20:58:21 -0500

Seen: 2,431 times

Last updated: Sep 15 '16