Solved Macbook Won T Boot Has Corrupted Os Update Macbook Air 11 Mid 2011

Chosen Solution

Hi guys, I downloaded a version of El Capitan onto my MacBook Air to upgrade, think the file is proper corrupted as now the Mac won’t even boot up without the

The install version is probably fine. Take a look at the date of the install. Go into your Date and Time, unlock it, turn off the auto Apple update, turn the date back to a few months after the date on your install and do the installation.