I installed Windows 10 using the official ISO and one of the serials I have with MSDN. When I reboot my Macbook Air 2013 it gets stuck on a black screen for around a minute and then start loading Windows. I only have a windows partition at the moment.

I tried resetting the NVRAM. Didn't help.

I followed the advice here but that didn't help either since it seems to be for Windows 7 only.

  • When you say you "only have a windows partition at the moment", do you mean you do not have OS X installed? – David Anderson Feb 29 '16 at 17:09
  • yes, just windows. – Jason Mirk Feb 29 '16 at 17:15
  • I now assume you installed Windows using a USB flash drive. How did you create the flash drive without using the Boot Camp Assistant that comes with OS X? Also, If you were given the option to choose between two DVD icons labeled "Windows" and "EFI", which did you choose? – David Anderson Feb 29 '16 at 17:18
  • i created it with the assistant, rebooted and deleted the osx partition. dont remember about efi – Jason Mirk Feb 29 '16 at 17:21
  • If you used the Boot Camp Assistant, then you did not see the DVD icons. Did you run and install the Boot Camp Support Software after windows finished installing? I assume this software was on the USB flash drive. – David Anderson Feb 29 '16 at 17:27

You probably have not blessed the Windows partition. On a Mac, the blessed partition is the one that the firmware will try to boot first.

Open the control panel and select the Boot Camp icon to open the window. Choose to reboot to the Windows partition. This should "bless" the windows partition.

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