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On both EaseUS and diskpart, my partitions look fine: [![EaseUS][1]][1]EaseUS [![diskpart][2]][2]diskpart However, in disk utility in recovery mode, it looks a bit different. On the sidebar I can only see one child partition of the SSD (BOOTCAMP). However when inspecting the disk, it shows three partitions (Untitled : 145.36GB, Untitled: 650MB, BOOTCAMP: 48.32GB) and a 'Child count' of 4. I wish I could provide a screen shot, but AFAIK this is not possible with recovery mode.

I used gdisk and the t command to set the GUIDs as recommended and then used the the expert command a (expert commands are accessed with x) to set the attribute field #49 to get the attribute value recommended. Works perfectly now! [1]: https://i.sstatic.net/xKwdy.png [2]: https://i.sstatic.net/YFY8t.png

On both EaseUS and diskpart, my partitions look fine: [![EaseUS][1]][1] [![diskpart][2]][2] However, in disk utility in recovery mode, it looks a bit different. On the sidebar I can only see one child partition of the SSD (BOOTCAMP). However when inspecting the disk, it shows three partitions (Untitled : 145.36GB, Untitled: 650MB, BOOTCAMP: 48.32GB) and a 'Child count' of 4. I wish I could provide a screen shot, but AFAIK this is not possible with recovery mode.

I used gdisk and the t command to set the GUIDs as recommended and then used the the expert command a (expert commands are accessed with x) to set the attribute field #49 to get the attribute value recommended. Works perfectly now! [1]: https://i.sstatic.net/xKwdy.png [2]: https://i.sstatic.net/YFY8t.png

On both EaseUS and diskpart, my partitions look fine: EaseUS diskpart However, in disk utility in recovery mode, it looks a bit different. On the sidebar I can only see one child partition of the SSD (BOOTCAMP). However when inspecting the disk, it shows three partitions (Untitled : 145.36GB, Untitled: 650MB, BOOTCAMP: 48.32GB) and a 'Child count' of 4. I wish I could provide a screen shot, but AFAIK this is not possible with recovery mode.

I used gdisk and the t command to set the GUIDs as recommended and then used the the expert command a (expert commands are accessed with x) to set the attribute field #49 to get the attribute value recommended. Works perfectly now!

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On both EaseUS and diskpart, my partitions look fine: EaseUS[![EaseUS][1]][1] diskpart[![diskpart][2]][2] However, in disk utility in recovery mode, it looks a bit different. On the sidebar I can only see one child partition of the SSD (BOOTCAMP). However when inspecting the disk, it shows three partitions (Untitled : 145.36GB, Untitled: 650MB, BOOTCAMP: 48.32GB) and a 'Child count' of 4. I wish I could provide a screen shot, but AFAIK this is not possible with recovery mode.

Edit #2:

I was able to fix it with the accepted answer!

I used gdisk and the t command to set the GUIDs as recommended and then used the the expert command a (expert commands are accessed with x) to set the attribute field #49 to get the attribute value recommended. Works perfectly now! [1]: https://i.sstatic.net/xKwdy.png [2]: https://i.sstatic.net/YFY8t.png

On both EaseUS and diskpart, my partitions look fine: EaseUS diskpart However, in disk utility in recovery mode, it looks a bit different. On the sidebar I can only see one child partition of the SSD (BOOTCAMP). However when inspecting the disk, it shows three partitions (Untitled : 145.36GB, Untitled: 650MB, BOOTCAMP: 48.32GB) and a 'Child count' of 4. I wish I could provide a screen shot, but AFAIK this is not possible with recovery mode.

On both EaseUS and diskpart, my partitions look fine: [![EaseUS][1]][1] [![diskpart][2]][2] However, in disk utility in recovery mode, it looks a bit different. On the sidebar I can only see one child partition of the SSD (BOOTCAMP). However when inspecting the disk, it shows three partitions (Untitled : 145.36GB, Untitled: 650MB, BOOTCAMP: 48.32GB) and a 'Child count' of 4. I wish I could provide a screen shot, but AFAIK this is not possible with recovery mode.

Edit #2:

I was able to fix it with the accepted answer!

I used gdisk and the t command to set the GUIDs as recommended and then used the the expert command a (expert commands are accessed with x) to set the attribute field #49 to get the attribute value recommended. Works perfectly now! [1]: https://i.sstatic.net/xKwdy.png [2]: https://i.sstatic.net/YFY8t.png

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The Problem: My macOS partition doesn't appear as an option at boot

Background: I had a main el capitan partition and a bootcamp partition. I used the EaseUS program to resize the bootcamp partition from 90GB to 45GB and after rebooting, I could no longer see any option but 'Windows' when holding alt at boot.

My Initial Investigation: I took a look at my paritions in three different places: The EaseUS program, diskpart on windows, and the disk utility on macOS Recovery Mode.

On both EaseUS and diskpart, my partitions look fine: EaseUS diskpart However, in disk utility in recovery mode, it looks a bit different. On the sidebar I can only see one child partition of the SSD (BOOTCAMP). However when inspecting the disk, it shows three partitions (Untitled : 145.36GB, Untitled: 650MB, BOOTCAMP: 48.32GB) and a 'Child count' of 4. I wish I could provide a screen shot, but AFAIK this is not possible with recovery mode.

I also ran first aid on the SSD from disk utility and everything verified as OK.

Additional Comments: I'm a bit out of my depth here and would really appreciate any advice as to how I can boot into macOS again

Edit #1:

In response to @DavidAnderson I am using a an early 2015 13" Retina MacbookPro (MacbookPro 12,1).

My Volume 2 details are as following:

Partition 2
Type    : de94bba4-06d1-4d40-a16a-bfd50179d6ac
Hidden  : Yes
Required: No
Attrib  : 0000000000000000
Offset in Bytes: 209735680

  Volume ###  Ltr  Label        Fs     Type        Size     Status     Info
  ----------  ---  -----------  -----  ----------  -------  ---------  --------
* Volume 2         Macintosh H  HFS    Partition    135 GB  Healthy    Hidden

And my volume 3 details are:

Partition 3
Type    : de94bba4-06d1-4d40-a16a-bfd50179d6ac
Hidden  : Yes
Required: No
Attrib  : 0000000000000000
Offset in Bytes: 145570975744

  Volume ###  Ltr  Label        Fs     Type        Size     Status     Info
  ----------  ---  -----------  -----  ----------  -------  ---------  --------
* Volume 3         Recovery HD  HFS    Partition    619 MB  Healthy    Hidden

The Problem: My macOS partition doesn't appear as an option at boot

Background: I had a main el capitan partition and a bootcamp partition. I used the EaseUS program to resize the bootcamp partition from 90GB to 45GB and after rebooting, I could no longer see any option but 'Windows' when holding alt at boot.

My Initial Investigation: I took a look at my paritions in three different places: The EaseUS program, diskpart on windows, and the disk utility on macOS Recovery Mode.

On both EaseUS and diskpart, my partitions look fine: EaseUS diskpart However, in disk utility in recovery mode, it looks a bit different. On the sidebar I can only see one child partition of the SSD (BOOTCAMP). However when inspecting the disk, it shows three partitions (Untitled : 145.36GB, Untitled: 650MB, BOOTCAMP: 48.32GB) and a 'Child count' of 4. I wish I could provide a screen shot, but AFAIK this is not possible with recovery mode.

I also ran first aid on the SSD from disk utility and everything verified as OK.

Additional Comments: I'm a bit out of my depth here and would really appreciate any advice as to how I can boot into macOS again

The Problem: My macOS partition doesn't appear as an option at boot

Background: I had a main el capitan partition and a bootcamp partition. I used the EaseUS program to resize the bootcamp partition from 90GB to 45GB and after rebooting, I could no longer see any option but 'Windows' when holding alt at boot.

My Initial Investigation: I took a look at my paritions in three different places: The EaseUS program, diskpart on windows, and the disk utility on macOS Recovery Mode.

On both EaseUS and diskpart, my partitions look fine: EaseUS diskpart However, in disk utility in recovery mode, it looks a bit different. On the sidebar I can only see one child partition of the SSD (BOOTCAMP). However when inspecting the disk, it shows three partitions (Untitled : 145.36GB, Untitled: 650MB, BOOTCAMP: 48.32GB) and a 'Child count' of 4. I wish I could provide a screen shot, but AFAIK this is not possible with recovery mode.

I also ran first aid on the SSD from disk utility and everything verified as OK.

Additional Comments: I'm a bit out of my depth here and would really appreciate any advice as to how I can boot into macOS again

Edit #1:

In response to @DavidAnderson I am using a an early 2015 13" Retina MacbookPro (MacbookPro 12,1).

My Volume 2 details are as following:

Partition 2
Type    : de94bba4-06d1-4d40-a16a-bfd50179d6ac
Hidden  : Yes
Required: No
Attrib  : 0000000000000000
Offset in Bytes: 209735680

  Volume ###  Ltr  Label        Fs     Type        Size     Status     Info
  ----------  ---  -----------  -----  ----------  -------  ---------  --------
* Volume 2         Macintosh H  HFS    Partition    135 GB  Healthy    Hidden

And my volume 3 details are:

Partition 3
Type    : de94bba4-06d1-4d40-a16a-bfd50179d6ac
Hidden  : Yes
Required: No
Attrib  : 0000000000000000
Offset in Bytes: 145570975744

  Volume ###  Ltr  Label        Fs     Type        Size     Status     Info
  ----------  ---  -----------  -----  ----------  -------  ---------  --------
* Volume 3         Recovery HD  HFS    Partition    619 MB  Healthy    Hidden
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