A required download is missing - MBA mid2011

Hi,

I need to upgrade my mid 2011 macbook air from Yosemite to El Capitan, or anything up to Sierra.

I downloaded the El Capitan disk image, followed installing instructions but got an error message.

Tried a different route: option+cmd+R, reinstall OS (it gives me El Capitan to chose from). When trying to install, I keep receiving "A required download is missing"

I don't have any other mac at hand for those kind of workarounds.

Any help would be appreciated.

Earlier Mac models

Posted on Sep 28, 2023 02:33 AM

Top-ranking reply

John Galt

Level 10

153,574 points

Posted on Sep 28, 2023 05:30 PM

Are you able to restart your Mac normally?

If so try upgrading it to High Sierra according to How to download and install macOS - Apple Support. Use the App Store.

Is there a reason you want to limit macOS to Sierra? To my knowledge High Sierra will convey nothing but advantages over Sierra.

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A required download is missing - MBA mid2011

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