Partition not shown in Disk Utility

My MacBook Pro 2012 has 500 GB of HDD out of which 250 GB were used to install Windows 10. Today, I tried deleting the Windows 10 partition using Boot Camp. In the middle of the deleting process, my MacBook went to sleep and the recovery process could not be completed.

Now I am not able to see the other partition in Disk Utility. Is there any way to get back the other partition?

Output of diskutil list:

/dev/disk0 (internal, physical): #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *500.1 GB disk0 1: EFI EFI 209.7 MB disk0s1 2: Apple_APFS Container disk1 250.3 GB disk0s2
/dev/disk1 (synthesized): #: TYPE NAME SIZE IDENTIFIER 0: APFS Container Scheme - +250.3 GB disk1 Physical Store disk0s2 1: APFS Volume Untitled 235.9 GB disk1s1 2: APFS Volume Preboot 21.2 MB disk1s2 3: APFS Volume Recovery 507.4 MB disk1s3 4: APFS Volume VM 4.3 GB disk1s4
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3 Answers

I'd recommend giving Paragon Hard Disk Manager a try. You can download a fully-functional trial version. I've used it on multiple occasions to resize and delete the BOOTCAMP partition and reallocate space without any issues on my 2015 MBA.

Can't you share the Graphical View of Disk Partitioning ? You can try booting into Kyhi's Recovery Media which is based on Win 10 PE. You have Partition Wizard on that which will show each & every partition on the disk. Try x64 bit version.

Its very potential recovery disk but based on windows. Try your luck!

It seems BootCamp Assistant actually has successfully deleted the partition. Since you knew you were using it to delete the partition already, I'm going to guess that by "get back the other partition" you actually meant "reclaim the space for macOS" and not "restore the Windows files lost when the partition was deleted."

To do that most reliably, you'll need to boot to recovery mode. Restart your computer and hold cmd + R until you see the Apple logo. Once recovery loads, click on Disk Utility, select your hard drive, and click Partition. (Pretend that my 32GB Samsung Flash Drive is your hard drive in the photos)Select Drive and PartitionYou may see a warning about "Apple File System Space Sharing" – click Partition, not Add Volume. Select PartitonSelect the "Free space" partition, click the minus sign to remove the free space, which will automatically expand the Macintosh HD APFS Container to fill the rest of the space. The partition should now be 500GB in size. Once you're done, click Apply.Select and Remove Free SpaceCheck and ApplyIt should do its thing, and once completed, you can restart normally. Your Macintosh HD should be back to its full size!

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