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Mac boot in Windows but boot fails

I have a 5 year old iMac running the latest MacOS. I have been running Windows 7 through Boot Camp for gaming. While running Windows my IMac crashed. Restart fails repeatedly. I have looked up resources online but all advice require me to use keyboard shortcuts on startup but the imac don’t recognise my Apple wireless keyboard so Command R or Command Option R don’t work. I borrowed a usb PC keyboard from my son and held in option and came to choose start up disk. (The screen looks funny, it has a strange lime green color around icons), I was prompted for my WiFi password. I then saw the internet recovery icon (with weird green color around the edges)

After the rotating globe it moved on to a little “wheel» spinning slowly. Now the screen just went black and it seems to have turned off.

iMac, OS X El Capitan (10.11.1)

Posted on May 25, 2018 4:19 PM

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Posted on May 29, 2018 7:00 PM

There has been a recall on the 3TB disks on an iMac in the past. See Apple announces replacement program for 3TB hard drives in 2012 and 2013 iMacs | Ars Technica for reference. Can you check if your year/model falls within these?

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Mac boot in Windows but boot fails

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