Cannot download and install OS Sierra

This is a discussion on Cannot download and install OS Sierra within the MacBook Pro forums, part of the Macbook Forum category; HI, I have a 2yr old Macbook Pro that has been put back to factory settings. I wanted to update the OS, but it only ...

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  1. #1
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    Cannot download and install OS Sierra

    HI, I have a 2yr old Macbook Pro that has been put back to factory settings. I wanted to update the OS, but it only downloaded about 30% , stopped, and then flashed 'OS Sierra download failed'. At the moment it has a Maverick 9.5 OS. Any ideas why it did this? Many thanks for any help.
    Last edited by grifval; 08-31-2017 at 10:03 AM.

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  3. #2
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    Are you downloading over wifi? If you are would it be possible to try a wired connection?
    'Deep Thought' - Mac Mini Late 2018- macOS Mojave (10.14.5)
    'Marvin' - Mac Mini Late 2014 - macOS Mojave (10.14.5)
    'Orac' - MacBook Pro 13" Mid 2012 - macOS Mojave (10.14.5)

    iPhone 6S - iOS 12.3.1
    iPad Pro 12.9" - iOS 12.3.1

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