I had tried installing windows 8.1 pro with many different solutions like using Bootcamp or using gdisk part and upgrading the disk part from hybrid to EFI also tried Using Lenevo external Optical drive which doesnt worked my internal drive is damage

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I had tried installing windows 8.1 pro with many different solutions like using Bootcamp or using gdisk part and upgrading the disk part from hybrid to EFI also tried Using Lenevo external Optical drive which doesnt worked my internal drive is damage

I Am fed up after getting error after errors on the installation of windows 8.1 in my late 2011 MBP 15" 750 GB HDD and OSX Yosemite 10.10.2 and i am trying to install windows 8 or 7 and the error doent go away also i tried various other methods like gdisk part to make next button appear and Afte next button appear i am getting the error after the check list is done

please someone help me out i am getting paranoid in this and i am going to be a threat to society because its making me insane.

MacBook Pro (15-inch Late 2011), OS X Mountain Lion (10.8.2)

Posted on Mar 30, 2015 8:42 AM

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Answer 1

Loner T

Level 9

59,471 points

Mar 30, 2015 9:00 AM in response to iDeepV

1. You cannot use the Lenovo external drive, because you already have a built-in SuperDrive. Get your internal drive fixed.

2. Your Mac does not support EFI Boot, because it is a PreUEFI model based on How to identify MacBook Pro models - Apple Support and the following list. If you force it with EFI boot, some of your hardware GPU/Audio will not work properly.