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#1 2016-12-24 23:34:05

RealLinuX
Member
Registered: 2016-08-06
Posts: 7

[RESOLVED] Dualboot Win 10 with Arch

Hello,

Im trying to add Win 10 on grub list, so il show a informations that can help:

fdisk -l:

isk /dev/sda: 149.1 GiB, 160041885696 bytes, 312581808 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: dos
Disk identifier: 0xf3a1c82e

Device     Boot   Start       End   Sectors   Size Id Type
/dev/sda1  *       2048   2099199   2097152     1G ef EFI (FAT-12/16/32)
/dev/sda2       2099200   6293503   4194304     2G 82 Linux swap / Solaris
/dev/sda3       6293504 312581807 306288304 146.1G 83 Linux


Disk /dev/sdb: 232.9 GiB, 250059350016 bytes, 488397168 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: F2C00F3D-4B0F-4749-B3C2-E0F293C8C6B7

Device       Start       End   Sectors   Size Type
/dev/sdb1     2048    923647    921600   450M Windows recovery environment
/dev/sdb2   923648   1128447    204800   100M EFI System
/dev/sdb3  1128448   1161215     32768    16M Microsoft reserved
/dev/sdb4  1161216 488396799 487235584 232.3G Microsoft basic data

lsblk:

NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
sdb      8:16   0 232.9G  0 disk 
|-sdb4   8:20   0 232.3G  0 part 
|-sdb2   8:18   0   100M  0 part 
|-sdb3   8:19   0    16M  0 part 
`-sdb1   8:17   0   450M  0 part 
sda      8:0    0 149.1G  0 disk 
|-sda2   8:2    0     2G  0 part [SWAP]
|-sda3   8:3    0 146.1G  0 part /
`-sda1   8:1    0     1G  0 part /boot

So Windows 10 was first installed and its on "sdb" disk, arch is on "sda". Its both on UEFI.

If i get it right I have to add custom meni on grub .cfg but not sure how to get right schema.

Last edited by RealLinuX (2017-01-14 10:17:21)

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#2 2016-12-25 02:04:37

fsckd
Forum Fellow
Registered: 2009-06-15
Posts: 4,173

Re: [RESOLVED] Dualboot Win 10 with Arch

That looks like you have two ESPs. I'm not sure if that works, if that works at all.

Have you seen the wiki?


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#3 2016-12-25 03:53:21

ben781
Member
Registered: 2016-12-11
Posts: 18

Re: [RESOLVED] Dualboot Win 10 with Arch

Install the package os-prober, then run grub-mkconfig -o /boot/grub/grub.cfg

It should detect Windows automatically. 

Also, there is nothing wrong with having 2 separate EFI system partitions.

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#4 2017-01-07 16:05:21

RealLinuX
Member
Registered: 2016-08-06
Posts: 7

Re: [RESOLVED] Dualboot Win 10 with Arch

ben781 wrote:

Install the package os-prober, then run grub-mkconfig -o /boot/grub/grub.cfg

It should detect Windows automatically. 

Also, there is nothing wrong with having 2 separate EFI system partitions.

Sorry for late response, works like a charm with os-prober. Thank you

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