Dmg No Mountable File Systems
Hii, If you have been troubled because of no mountable file systems on Mac and looking for a solution, You are getting this problem because the dmg file has gone corrupted, you can try to get a new dmg file and try it and if this also doesn't work then may the issue is with the Mac and you have to format it.
- I get 'hdiutil: attach failed - no mountable file systems' when trying to install ubuntu operating system on my mac OS (mojave) partiioned with windows OS. Is there any way to fix this problem? Kelly HW November 11, 2018.
- Note: Attempting to fix Mac OS X DMG No Mountable File Systems manually requires technical skills which newbie lacks. Even slight mistake might bring risk to data. So, it is recommended to take the help of Mac Data Recovery tool to rescue data in case of Mac OS X DMG No Mountable File Systems issue.
Something happened with Macintosh device, the DMG file which was mounted before without problem cannot be mounted anymore. Several day ago it was OK, I installed several updates, rebooted my Mac couple of times and now something that worked before was rejected. The same result “no mountable file systems” I got when I double clicked on DMG file on Finder windows or when I executed hdiutil command:
# hdiutil mount foo.dmg hdiutil: mount failed – no mountable file systems |
I checked other DMG files downloaded from Internet, for example Skype-8.30.0.50.dmg. The mounting of Skype DMG worked fine. My problematic DMG file was created on Linux machine by genisoimage util and 7zip utility shows that it has ISO type, not HFS type as Skype DMG. The same I could see before when this DMG was mounted successfully with diskutil command:
# diskutil info /dev/disk4 Device Identifier: disk4 Device Node: /dev/disk4 Whole: Yes Part of Whole: disk4 Device / Media Name: Disk Image Volume Name: Foo Content (IOContent): None OS Can Be Installed: No Disk Size: 25.3 MB (25337856 Bytes) (exactly 49488 512-Byte-Units) Be that as it may, but there’s nothing more annoying than searching duplicate files on your Mac.Be it photographs, audio files or documents there are many instances when mistakenly more than 2-3 copies of a single file are often saved on our Mac, consuming chunks of storage space.So, to relieve you from this overhead we have prepared a small list containing 10 best to get rid of redundant data in a jiffy and restore disk space in no time. Duplicate Files FixerYou can recover a lot of disk space by removing multiple file copies from your Mac. Best free junk file cleaner for mac. Duplicate Files Fixer removes these files effortlessly.! By following standard methods to search duplicates, we can’t use anything beside iTunes to remove duplicate music. Top 10 Best Duplicate File Finder for Mac in 2019 1. Volume Total Space: 25.3 MB (25337856 Bytes) (exactly 49488 512-Byte-Units) Read-Only Media: Yes Device Location: External Virtual: Yes |
So it looked that the problem with file systems, my Mac did not supported ISO 9660 (CDROM) file system anymore.
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The first of all I checked all loading file system kernel extensions and I did not find anything related to ISO 9660:
# kextstat grep filesystem 66 1 0xffffff7f81b91000 0x8000 0x8000 com.apple.filesystems.hfs.encodings.kext (1) 7CC455ED-D7F1-3AD4-B362-4A974AFD0991 <7 6 5 4 3 1> 67 0 0xffffff7f81b99000 0x67000 0x67000 com.apple.filesystems.hfs.kext (407.1.3) F1CDFC19-49BF-35BC-8038-B82DF8C30BDE <66 7 6 5 4 3 1> 109 0 0xffffff7f81d1f000 0x9000 0x9000 com.apple.filesystems.autofs (3.0) 6B23747D-D072-3862-9DC1-A56D7E0185DB <108 7 6 5 4 3 1> |
Then I verified if the kernel extension which supports ISO 9660 (cd9660) existed:
# ls /System/Library/Extensions/ grep 9660 cd9660.kext |
So it was there. I decided to load it manually:
# sudo kextload /System/Library/Extensions/cd9660.kext |
Then I checked again the list of file system kernel extensions:
# kextstat grep filesystem 66 1 0xffffff7f81b91000 0x8000 0x8000 com.apple.filesystems.hfs.encodings.kext (1) 7CC455ED-D7F1-3AD4-B362-4A974AFD0991 <7 6 5 4 3 1> 67 0 0xffffff7f81b99000 0x67000 0x67000 com.apple.filesystems.hfs.kext (407.1.3) F1CDFC19-49BF-35BC-8038-B82DF8C30BDE <66 7 6 5 4 3 1> 109 0 0xffffff7f81d1f000 0x9000 0x9000 com.apple.filesystems.autofs (3.0) 6B23747D-D072-3862-9DC1-A56D7E0185DB <108 7 6 5 4 3 1> (1.4.4) 11FD858B-5656-30B0-9C57-C94ECB94155D <7 6 5 4 3 1> MacOSxHghSierra:Downloads root# sudo kextload /System/Library/Extensions/cd9660.kext |
Now cd9660.kert was presented. I tried for mount my foo.dmg file agent and it was successful:
# hdiutil mount foo.dmg /dev/disk4 /Volumes/Foo |
Are you facing ‘no mountable file system’ error?
How to fix ‘dmg no mountable File System’ error?
No Mountable File Systems Fix
Why DMG file becomes inaccessible?
DMG (Disk Mounted Graphics) is a file used on Macintosh Operating System X. It is just like an image which contains all contents of the ‘File system’. Its format allows file compression of the data with password protection. You can easily create DMG file by the Disk Utility of the Mac’s OS with extension ‘.dmg’. Sometimes when operating system mounts (It is the process of making computer file system ready to use) this DMG file it throws an error message ‘No mountable File System’.
Iso No Mountable File System
This error arises when OS do not get the file system in proper format to mount. In this situation file system either damaged or missing. Because of this reason you can not access DMG file and you have to face data loss situation. To tackle this problem your system required a Data Recovery Software that can recover your all lost data. Mac Data Recovery Software is the best choice in this case.
Dmg No Mountable File Systems
Mac Data Recovery software can recover your lost, deleted, formatted and corrupted data from Memory cards, Apple iPods, Macintosh hard drives etc. The application of this recovery software use powerful scanning algorithms to perform in-depth scan of entire hard drive so that it can extract all lost, missing, and inaccessible data. Its user friendly interface allows you to recover all data easily. It doesn’t demand for any technical skill.