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User profile for user: retmas
retmas Author
User level: Level 1
8 points

MacBook Pro not booting after Windows 10 boot camp

Hi,


There is a problem with my MacBook Pro (Retina, 15-inch, Mid 2014).

I have updated OS X to macOS Sierra (version 10.12), restarted MacBook Pro and did the clean installation of macOS using Recovery manager (Cmd+R on booting).

Next I have created the boot camp installation USB flash drive using ISO file of Windows 10 Pro x64 Version 1607 and made Windows partition using Disk Utility.

And after that I have restarted MacBook Pro holding Option key and selected UEFI-boot from prepared USB-drive.

Installed Windows 10 Pro x64 on the prepared Windows partition. After successful installation MacBook Pro restarted and I heard standard chime and black screen with back light appeared, no booting to Windows or macOS, no options.


I turned it off and turned on again. Tried to hold Option key, Cmd+R, C, D. Nothing.

Also I reset SMC and PRAM. But nothing changed. There are only chime and black screen with back light.


Could you please help me? What could happen? Thanks.


Specifications of MacBook Pro:

MacBook Pro (Retina, 15-inch, Mid 2014)

2.5GHz quad-core Intel Core i7 processor

16GB of 1600MHz DDR3L onboard memory

512GB PCIe-based flash storage

Intel Iris Pro Graphics + NVIDIA GeForce GT 750M with 2GB of GDDR5 memory

MacBook Pro with Retina display

Posted on Sep 30, 2016 3:15 AM

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7 replies
User profile for user: Loner T
Loner T
User level: Level 9
59,513 points

Sep 30, 2016 4:50 PM in response to retmas

Can you verify that your NVRAM Reset followed the steps in How to Reset NVRAM on your Mac - Apple Support ?


If your internal disk was converted to MBR, then internal OS X will not boot, external USB HDD should be GPT and boot.


How did you install OS X on the external USB3 HDD, if your Local and Internet Recovery do not work on this Mac? Do you have a second Mac?


Also, if you boot and hold the T key, do you see a floating firewire/thunderbolt icon?

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MacBook Pro not booting after Windows 10 boot camp

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