![Hi there people! I'm having an issue with my MacOS Sierra installation. I'm having a MacBook Pro 2017. Every time I try to te-install the Os it fails. I hope someone has Hi there people! I'm having an issue with my MacOS Sierra installation. I'm having a MacBook Pro 2017. Every time I try to te-install the Os it fails. I hope someone has](https://i.redd.it/z1921a1j23da1.jpg)
Hi there people! I'm having an issue with my MacOS Sierra installation. I'm having a MacBook Pro 2017. Every time I try to te-install the Os it fails. I hope someone has
![My “New” MacBook Pro mid 2015, reinstalling / formatting macOS Operating System High Sierra – DR KOH My “New” MacBook Pro mid 2015, reinstalling / formatting macOS Operating System High Sierra – DR KOH](https://shashinki.com/blog/wp-content/uploads/2018/02/20180222_185444.jpg)
My “New” MacBook Pro mid 2015, reinstalling / formatting macOS Operating System High Sierra – DR KOH
![I Factory reseted my macbook pro 2017 and now get this error message i formated the ssd to mac os extended : r/MacOS I Factory reseted my macbook pro 2017 and now get this error message i formated the ssd to mac os extended : r/MacOS](https://preview.redd.it/i-factory-reseted-my-macbook-pro-2017-and-now-get-this-v0-y75511disb9b1.jpg?width=640&crop=smart&auto=webp&s=291ef79fe78395bf390d6948f1cf540cfeb9ee36)
I Factory reseted my macbook pro 2017 and now get this error message i formated the ssd to mac os extended : r/MacOS
![I erased my macbook pro 2017 as I'm selling it - I did it through disk utility, and now I'm getting the below error when trying to install the macbook's original OS ( I erased my macbook pro 2017 as I'm selling it - I did it through disk utility, and now I'm getting the below error when trying to install the macbook's original OS (](https://i.redd.it/i-erased-my-macbook-pro-2017-as-im-selling-it-i-did-it-v0-i25hxylv17fa1.jpg?width=3024&format=pjpg&auto=webp&s=e0688cbd7476d803d7f9d5f16d200fad8d8eba27)
I erased my macbook pro 2017 as I'm selling it - I did it through disk utility, and now I'm getting the below error when trying to install the macbook's original OS (
![need help with this. "an error occurred while preparing the installation. try running this application again." : r/MacOS need help with this. "an error occurred while preparing the installation. try running this application again." : r/MacOS](https://i.redd.it/o62ffkvep1aa1.jpg)
need help with this. "an error occurred while preparing the installation. try running this application again." : r/MacOS
![macbook pro - Install macOS High Sierra.app does not appear to be a valid OS installer application - Ask Different macbook pro - Install macOS High Sierra.app does not appear to be a valid OS installer application - Ask Different](https://i.stack.imgur.com/XjXtJ.png)