This isn’t a question, instead is the only way I can find to report a problem.

Following multiple downloads of Elements 5 (elementaryos-5.0-stable-1.20181016.iso), into an old MacBkPro 2011 running any one of 5 Os X\macOS versions to do downloads with - unsuccessfully - there seem to some disfunction between youse (sic) & me. :~\

Each .iso downloaded reports that “ . . disk image couldn’t be opened; Reason; no mountable file systems"

A 34 yr Mac-er with only light LinWin exposure, I suspect it may be me or my stuff not recognising what is contained in the .iso a.k.a. .dmg.

Having tried the usual Mac fixes for this problem, + some others, there is no success to report.

I (& others) am tired of APPL Inc suits stuffing up what was a half way decent OS. One that I could do 'big work' in, but now Mac-life is a struggle. Your aims for your OS sound similar what made the original Macintosh concept so easy to do work in, in that the OS soon disappears, and the work rises cleanly & alone to the surface.

Hope there’s an answer around. Looking fwd to learning E 5+ .

Cheers, Jen, Brisbane Oz

  • How can be a file damaged everytime, are you sure those file downloaded successfully? [Sorry i have this little knowledge of Mac, i don't have one]
    – Hasan
    Commented Jan 13, 2019 at 7:34

1 Answer 1


It sounds like you're trying to open the .iso on macOS? Or maybe your browser is automatically opening (mounting) it after download?

Either way, the iso for Elementary is not a data disk image that macOS can mount and read normally. It's an installation disk image that needs to be written to a USB key or CD-ROM and used to boot your machine from.

You'll need to write the image to a USB key with something like Etcher, unless you're going to use something like VirtualBox or VMWare for testing Elementary.

There's a nice succinct installation guide that might help.


Your Answer

By clicking “Post Your Answer”, you agree to our terms of service and acknowledge you have read our privacy policy.

Not the answer you're looking for? Browse other questions tagged or ask your own question.