Want to highlight a helpful answer? Upvote!

Did someone help you, or did an answer or User Tip resolve your issue? Upvote by selecting the upvote arrow. Your feedback helps others! Learn more about when to upvote >

Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

susampath Author

Level 1

4 points

MacOS Sierra Installation Error (Error Code 110)

I have a macbook pro 2017 and I have formatted hard disk using recovery mode.Then I ran the process for reisnstall macos through internet.

The disk has been reformatted and from the Disk Utility in Recovery Mode looks fine. I have attempted to install from (Cmd+R) Recovery Mode via internet. Processes start as per normal and then proceed to what I guess is copying resources to the local drive, but fails at the end with the below:

osinstallersetupd[689]: No native mechanism to verify InstallESD.dmg
osinstallersetupd[689]: Operation queue succeeded 
osinstallersetupd[692]: Couldn't mount base system dmg! (error code: 110)
osinstallersetupd[692]: IATOOL: Failed to mount outer DMG

Can any one help on this?

MacBook Pro

Posted on Mar 1, 2023 4:42 AM