macOS - Volume Name: Not applicable (no file system)

I have a MacBook pro late 2016 model with a drive that is really corrupted. I cannot access recovery mode no matter what I did so I could not fix it. I decided I will install a new OS with a bootable drive and format the disk in the process. That worked and I had a MacBook that could turn on. The drive was still corrupt and I still could not enter recovery mode no mater what.

Later on an OS update comes and I do the update and this mac is stuck on "Optimizing your mac" after I put in my login credentials. I decided to use the same approach of installing a new OS with bootable drive except that this time after formatting the drive hoping to fix it, I am somehow in a situation where I have a drive with no accessible volumes and so I cannot install an OS on the MacBook.

I ran the command <<diskutil info /dev/[diskidentifier]>> on both volumes to check their infor and I can identify the following problems:


Volume name: Not applicable (no file system)

Mounted: Not applicable (no file system)

File System: None


I believe this is the root of the problem. The repair volume command and verify volume command both do not work on either volumes. it leaves me with this error that says "Unrecognised file system (-69846)"


Please does anyone know how I can fix these problems?

Posted on Oct 1, 2023 12:22 PM

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Question marked as Top-ranking reply

Posted on Oct 2, 2023 8:49 PM

RodoCom wrote:

I want to install macOS Sierra. I made a bootable drive using a windows laptop and and I could not get a dmg file from apple website for an OS higher than Sierra

Unfortunately that .dmg file does not contain a bootable image. It contains an app for extracting the real installer app into the Applications folder. Even then, Windows is not able to make a bootable USB installer from it.


The only reliable way to make a bootable macOS USB installer is by using the instructions in this Apple article which requires (and assumes) the user has access to a Mac compatible with the OS you want to create:

Create a bootable installer for macOS - Apple Support


FYI, sometimes Disk Utility may give an error when erasing a drive. Sometimes trying to erase the drive immediately after the failure may allow the erase procedure to succeed. For Intel Macs, make sure you erase the whole physical SSD. Within Disk Utility you may need to click "View" and select "Show All Devices" before the physical drive appears on the left pane of Disk Utility. Erasing the whole physical drive (Intel Macs only) will create a new partition table which can be critical for some issues.


If you continue to receive an error when erasing the drive, then it may indicate the drive is failing.




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6 replies
Question marked as Top-ranking reply

Oct 2, 2023 8:49 PM in response to RodoCom

RodoCom wrote:

I want to install macOS Sierra. I made a bootable drive using a windows laptop and and I could not get a dmg file from apple website for an OS higher than Sierra

Unfortunately that .dmg file does not contain a bootable image. It contains an app for extracting the real installer app into the Applications folder. Even then, Windows is not able to make a bootable USB installer from it.


The only reliable way to make a bootable macOS USB installer is by using the instructions in this Apple article which requires (and assumes) the user has access to a Mac compatible with the OS you want to create:

Create a bootable installer for macOS - Apple Support


FYI, sometimes Disk Utility may give an error when erasing a drive. Sometimes trying to erase the drive immediately after the failure may allow the erase procedure to succeed. For Intel Macs, make sure you erase the whole physical SSD. Within Disk Utility you may need to click "View" and select "Show All Devices" before the physical drive appears on the left pane of Disk Utility. Erasing the whole physical drive (Intel Macs only) will create a new partition table which can be critical for some issues.


If you continue to receive an error when erasing the drive, then it may indicate the drive is failing.




Oct 1, 2023 3:54 PM in response to RodoCom

you have problems with that drive that are more fundamental than repairing the Volume. You need to repair the very fabric of the drive.


In Disk Utility, use the little menu to choose 'Show all devices'.

Then open the physical drive by its immutable manufacturer given device-name, and repair that first. if that passes,, move down one level and keep going.

Oct 1, 2023 2:29 PM in response to RodoCom

RodoCom wrote:

I want to install macOS Sierra. I made a bootable drive using a windows laptop and and I could not get a dmg file from apple website for an OS higher than Sierra


ref: How to download and install macOS - Apple Support

There appears to be some issue with download server for these older macOS—yes


Apple Store maybe able to help you:


Local USA—

Store List - Apple Store - Apple



Around the World

Choose your country or region - Apple






Oct 1, 2023 2:14 PM in response to RodoCom

RodoCom wrote:

I have a MacBook pro late 2016 model with a drive that is really corrupted. I cannot access recovery mode no matter what I did so I could not fix it. I decided I will install a new OS with a bootable drive and format the disk in the process. That worked and I had a MacBook that could turn on. The drive was still corrupt and I still could not enter recovery mode no mater what.
Later on an OS update comes and I do the update and this mac is stuck on "Optimizing your mac" after I put in my login credentials. I decided to use the same approach of installing a new OS with bootable drive except that this time after formatting the drive hoping to fix it, I am somehow in a situation where I have a drive with no accessible volumes and so I cannot install an OS on the MacBook.
I ran the command <<diskutil info /dev/[diskidentifier]>> on both volumes to check their infor and I can identify the following problems:

Volume name: Not applicable (no file system)
Mounted: Not applicable (no file system)
File System: None

I believe this is the root of the problem. The repair volume command and verify volume command both do not work on either volumes. it leaves me with this error that says "Unrecognised file system (-69846)"

Please does anyone know how I can fix these problems?



what macOS are you trying to install...?

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macOS - Volume Name: Not applicable (no file system)

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