
Right click the “Contents” folder, select ‘Get Info’. Right click on Boot Camp Assistant, select ‘Show Package Contents’ In Finder, go to Applications > Utilities. If this option is not available you are left with two choices:Ĭlose the application. If this option is available, you can use the ISO file directly in the next step and continue with the installation. “Create a Windows 7 or later version install disk” Lauch Bootcamp Assistant (Applications > Utilities > Bootcamp Assistant) and click continue.Ĥ. Download the Windows 10 technical preview ISO file from the windows website. ģ.

Register for Windows 10 technical preview. Ģ. Hence i am trying to consolidate everything i know or did, in this post.ġ. While following the instructions that found on the web, i had to encounter many issues. I am discussing only installation through bootcamp. If your disk does not appear on the Mac you attach it to, you can't boot to FireWire Target Disk Mode, or you can't boot to the OS on the attached Mac (assuming the OS is compatible), you've got additional issues which you should come back and tell us about.So the Windows 10 technical preview is out and i was eager to test it out on my MacBook Pro. You can even try selecting the boot disk on that computer and restarting to see if there's an actual file-level issue with the your operating system. You can then try running disk integrity checks on it using Disk Utility as normal. My first course of action, however, would be to get a FireWire cable and boot to FireWire Target Disk Mode by holding "T" during bootup on the stunted computer and hook it up to a working Mac. I don't know so much about it to veritably say that this is causing your issue, but it's worth a shot.

You could try resetting the System Management Controller. This should bring up a boot menu regardless of your holding the Option key.


I'm not sure how likely it is that drivers tampered with the EFI.
