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1. #Mac pro efi firmware update 1.5 not installing install#
2. #Mac pro efi firmware update 1.5 not installing drivers#

I've tried editing Bootcamp's ist (to enable Windows 10, USB, and edit the 'PreUEFI' section) but this doesn't make a difference. Normal workarounds (like running BootCamp.msi from an elevated command prompt, or editing the launch conditions for BootCamp.msi using orca) let me complete installing Bootcamp in EFI, but I still have to disable the Display Adapter in safe mode, and I still cannot boot into Win10 from OS X (using "startup disk").

#Mac pro efi firmware update 1.5 not installing install#

Any attempt to install a video card driver (with Bootcamp or using NVIDIA's drivers) causes windows to crash and go into a boot loop until I disable the video card. With an EFI install, the only way I can boot fully is to first disable the Display Adapter in Safe Mode.

#Mac pro efi firmware update 1.5 not installing drivers#

In Legacy mode, the bootcamp drivers properly register it as a GT 120, but in EFI mode, Windows recognizes it as a GeForce 9500 GT. I believe that Windows 10 EFI is not properly detecting my video card (an Apple NVIDIA GeForce GT 120). With a legacy installation, I don't experience this issue. 5261, as well as 6.1 and 4.0), Windows crashes with a black screen and then turns off.Īdditionally, when I perform an EFI installation, I cannot boot into Windows XP from High Sierra using "Startup Disk." Although "Windows" appears in the last of startup options, if I reboot from "Startup Disk" I get a black screen with a flashing DOS cursor. I can then perform an EFI installation of Windows 10, but when I run BootCamp's drivers (I've tried BootCamp 5.1 v. In order to install using the EFI option on the Win10 Install DVD (or a USB installation), I first have to create a partition (using Bootcamp Assistant or Disk Utility) and then reset my MBR to "Protected" wth Gdisk. The problem is that I cannot seem to properly install Windows 10 in EFI mode. 5261) install perfectly and Windows boots normally (i.e., when holding ALT during bootup, I can select a partition labeled "Windows." I am also able to boot directly back and forth b/w Windows and Mac using Bootcamp Control Panel in Windows 10 / "Startup Disk" in High Sierra). In this case, the Windows Bootcamp Drivers (v. I have no problem installing Windows 10 via bootcamp (which defaults to legacy mode). I'm running High Sierra, and installing Windows 10 on a second partition on the same disk. I'm attempting an EFI install of Windows 10 on a 2009 (4,1) Mac Pro firmware upgraded to 5,1.