FG

I'm unable to mount a DMG, getting a "no mountable filesystems" error

Fresh3 days ago
Mar 15, 2026154712 views
Confidence Score0%
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Problem

I downloaded a DMG of some commercial Mac software (CSSEdit) but I found that the DMG wouldn't mount. I tried another image from the same company, and then a number of images I had laying around from other software. About half of them mount and half don't. The error is always "no mountable file sys…

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Fix for: I'm unable to mount a DMG, getting a "no mountable filesystems" error

Low Risk

I have just had the same problem, with a disk image created by itself. In my case, the disk image is , i.e. it contains a bare filesystem, no partition map whatsoever. Neither nor would work, both complaining about the dreaded "no mountable file sys…

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