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Old 9th September 2017, 05:55 AM
mac25 Offline
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Join Date: Sep 2017
Location: mexico
Posts: 9
Boot Windows 10 in Legacy Mode


I installed Fedora 26 from USB on a laptop winth Windows 10 already installed (I assume in UEFI Mode) after disabling UEFI from the BIOS menu and booting in Legacy Mode.
I followed the instructions and installed GRUB2.
After I rebboted into Fedora, I edited /etc/grub.d/40_custom to include the following entry:

menuentry "Windows 10" --class windows --class os {
insmod ntfs
search --no-floppy --set=root --fs-uuid 5E64165E6416396B
ntldr /bootmgr

When I reboot, Windows 10 appears in the GRUB menu but when I choose it I get this error message:

file /bootmgr not found

How should I proceed to boot Windows 10 with GRUB?

I include the following information, hoping it would be helpful.

[root@localhost ludwi]# blkid
/dev/sda1: LABEL="Recovery" UUID="82A010E5A010E209" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="21560c0d-bec2-4940-8695-dfd575b09bc5"
/dev/sda2: LABEL="ESP" UUID="4613-32A2" TYPE="vfat" PARTLABEL="EFI System Partition" PARTUUID="9307e321-d914-444a-ba4a-786b2971e00f"
/dev/sda3: PARTLABEL="Microsoft reserved partition" PARTUUID="aab1b645-4bf3-4c0f-8941-7d1a74e34f72"
/dev/sda4: LABEL="Acer" UUID="5E64165E6416396B" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="0ef70ce3-a366-4e8b-8b9a-c4d3fa045522"
/dev/sda5: UUID="28E43024E42FF2AC" TYPE="ntfs" PARTUUID="2bd32c2e-e565-4879-9908-f8e1cf7ba405"
/dev/sda6: LABEL="Push Button Reset" UUID="BAE017E9E017AB21" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="7123f5e4-d184-49b4-a530-23b8dafb5074"
/dev/sda7: PARTUUID="71a3b5d3-5d7a-4739-b3ed-ad4f2e3cc2c0"
/dev/sda8: UUID="1f7c43a8-6acf-49e8-86be-6fc6b0ac070b" TYPE="ext4" PARTUUID="deac5fe6-8e9d-4a8b-8c9c-cd560a7a8368"
/dev/sda9: UUID="6J5AeI-5HyF-zX5f-9rKb-UMvZ-WJPc-UuNVHk" TYPE="LVM2_member" PARTUUID="6e1666b0-cf59-464a-b454-cbbcdf45f511"
/dev/mapper/fedora-root: UUID="93c37e22-5801-47a3-b65d-41be7871bcb3" TYPE="ext4"
/dev/mapper/fedora-swap: UUID="67ec3c10-daaf-4683-a87d-1848cec10521" TYPE="swap"

[root@localhost ludwi]# lsblk
sda 8:0 0 465.8G 0 disk
├─sda1 8:1 0 400M 0 part
├─sda2 8:2 0 300M 0 part
├─sda3 8:3 0 128M 0 part
├─sda4 8:4 0 399.6G 0 part
├─sda5 8:5 0 505M 0 part
├─sda6 8:6 0 16G 0 part
├─sda7 8:7 0 1M 0 part
├─sda8 8:8 0 1G 0 part /boot
└─sda9 8:9 0 47.8G 0 part
├─fedora-root 253:0 0 44.2G 0 lvm /
└─fedora-swap 253:1 0 3.7G 0 lvm [SWAP]
sr0 11:0 1 1024M 0 rom

[root@localhost ludwi]# grep -i efi /etc/fstab

[root@localhost ludwi]# gdisk -l /dev/sda
GPT fdisk (gdisk) version 1.0.1

Partition table scan:
MBR: protective
BSD: not present
APM: not present
GPT: present

Found valid GPT with protective MBR; using GPT.
Disk /dev/sda: 976773168 sectors, 465.8 GiB
Logical sector size: 512 bytes
Disk identifier (GUID): FE40836B-4D02-4FDE-8E2C-DA8848377A53
Partition table holds up to 128 entries
First usable sector is 34, last usable sector is 976773134
Partitions will be aligned on 2048-sector boundaries
Total free space is 2633 sectors (1.3 MiB)

Number Start (sector) End (sector) Size Code Name
1 2048 821247 400.0 MiB 2700 Basic data partition
2 821248 1435647 300.0 MiB EF00 EFI System Partition
3 1435648 1697791 128.0 MiB 0C01 Microsoft reserved ...
4 1697792 839783843 399.6 GiB 0700 Basic data partition
5 942184448 943218687 505.0 MiB 2700
6 943218688 976773119 16.0 GiB 2700 Basic data partition
7 839784448 839786495 1024.0 KiB EF02
8 839786496 841883647 1024.0 MiB 8300
9 841883648 942184447 47.8 GiB 8E00

[root@localhost ludwi]# ls -l /boot/efi/EFI
total 8
drwxr-xr-x. 2 root root 4096 Jul 5 18:21 BOOT
drwxr-xr-x. 4 root root 4096 Sep 8 19:59 fedora
[root@localhost ludwi]#

[root@localhost ludwi]# grep -i efi /etc/fstab
[root@localhost ludwi]#
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boot, legacy, mode, windows

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