I’m trying to open an dmg file in my Mac but it shows “No mountable file system” error. At first, i thought the file is corrupted during the transfer so i re download the file again. However, it still shows “No mountable file system” error when i open the dmg file.
After some research, i found a small command will solve the problem.
Mac open dmg file: No mountable file system
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- Backup your dmg file
- Open your terminal
- Enter this command:-
hdiutil convert /path/to/yourfile.dmg -format UDRW -o newfilename.dmg - Once you execute the command, sit back and wait till the process finish. (It might need to take some time if your file is very large in size)
- Once the process finish, double click on your newfilename.dmg file and you will be able to open the file
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Works for me
Unfortunately, this did not work. This process made a copy of the original .dmg that doesn’t open, but the copy exhibits the same exact issue, i.e. No mountable file system error. 🙁
Hi there,
Does this process create a copy of the .dmg or simply change the format of the existing file?