I have a 2012 iMac 13,2 with a 3TB Fusion Drive. When I updated to macOS Mojave, I loss my Windows Partition. I was hoping this update would address this issue but after installing the file I still can not install Boot Camp. I was wondering if anyone had any luck after this update.
- Install Windows 10 On Mac Mojave Without Boot Camp Download
- Install Windows 10 On Mac Mojave Without Boot Camp Free
Jan 23, 2017 If you’re interested in installing Windows 10 on your Mac’s internal drive, you can easily do so by means of Microsoft’s Windows 10 ISO download and the macOS Boot Camp Assistant. Jul 23, 2019 Time and time again I see (read) people struggeling with boot camp to install windows on a cMP (why people want to install windows on a cMP is beyond me, but I guess it comes down to personal taste) I use VMWare-Fusion (version 11) to install what I want (def NOT Windows). Oct 20, 2010 Mojave - Problems installing Windows 10 with Boot Camp I need a working Win10 installation but can't get Boot Camp to install it on my iMac (Retina 5K, 27-inch, Late 2015). I have downloaded the 64 bit ISO - Win101803Englishx64 which is under 5GB so should work. Now you should be able to boot from the USB to install Windows 10 on your Mac or Windows machine. These should be the easiest ways to create a Windows 10 bootable USB from ISO on Mac, without using Boot Camp Assistant.I have the same machine with the same drive, and I came to the comment thread specifically looking to see if anyone else had tried this; so thanks for your insights on this.
That said, I'm afraid I'm not surprised that it didn't fix the issue for 2012 iMacs. My understanding is its a rather complicated matter, in this very specific configuration, but here's my best attempt at a layman's interpretation of the situation: Going forward, the 2012 models are no longer going to be able to support Windows installations on hard drives which exceed 2TB, in part because Windows itself does not support boot volumes outside of the first 2TB of the hard drive on that generation of hardware -- and possibly in conjunction with bugs associated with the partitioning scheme required to accomplish the installation of Windows, within those constraints. So in previous versions of Bootcamp, it sliced up the hard drive so that it basically looks something like this ..
----- MacOS Hard Drive (partition 1 of volume 1) ----- (Windows size minus 2TB)
-- Windows (volume 2) -- (2TB)
---- MacOS Hard Drive (partition 2 of volume 1) ---- (3TB)
.. where the sizes indicated at the end of each line are the location on the disk at which that partition ends.
At the time, I thought Apple had come up with a really slick and interesting method for solving that 2TB boundary. I guess Apple has concluded that that's not so much true anymore.
Classic Mac Pro 5,1 (or simply cMP, also 4,1 upgraded to 5,1) is now considered by Apple as vintage. It’s pretty disappointing considering how capable and upgradable these machines still are. Installing Windows is no longer officially supported, but it’s completely possible though not quite easy.
Another challenge is that macOS Mojave 10.14 now implies using Metal-capable GPU while most of them are not able to display Apple boot menu (which you normally see holding the Option key) required to boot into Windows. Basicaly your screenremains black until macOS is loaded. Well, some EFI bootable cards that support boot menu exist but they are released almost 10 years ago and are really outdated. What is more, none of them supports displaying of boot menu with 4k 60hz monitor connected.
This guide is for those who want macOS Mojave + Windows 10 + modern GPU (in our case Sapphire Radeon Pulse RX 580 8GB).
Updated 28 May 2019
Installing Windows 10 in 5 steps
It’s supposed that you have the latest Boot ROM version 188.8.131.52.0. If not, please update first.
Step 1: Use separate drive for Windows
Boot Camp Assistant no longer supports cMP and doesn’t allow creating a separate partition for Windows.Windows has to be installed on a separate drive, which is good actually to avoid messing with partitions in future.
We recommend using the internal SATA II connector in one of four drive bays or alternatively one of two SATA II connectors in the optical drive area. Using the HP 654540-001 3.5” → 2.5” adapter (7$) to place 2.5” SSD in a drive bay can be quite convenient.
Of cause, SATA II (up to 300MB/s) is a bottleneck for modern 2.5” SSDs (up to 550 MB/s where SATA III is preferable) but real life experience shows that the difference is hardly noticable unless you deal with lots of big files (e.g. >1GB where sequential read/write speeds matter) on your system drive.
We didn’t test using PCIe → SATA III adapter or PCIe → NVMe adapter for Windows partition. Many people reported it was not possible in their case. If you successfully did it please let us know in the comments below or via e-mail.
Step 2: Create a bootable Windows 10 DVD disk
Warning: DO NOT install Windows from a USB flash drive. It has been discovered that Windows when installed in EFI mode is corrupting the Mac Pro’s firmware by signing it with multiple Secure Boot (X.509) certificates. Also, you wouldn’t be able to boot into Windows after selecting its drive as bootable in macOS Preferences → Startup disk. Therefore Windows should only be installed in Legacy BIOS mode from an optical drive.
Make sure that your Windows 10 ISO file fits on the DVD disk, in our case we had to burn Windows 10 1803 ISO (64-bit) to a single-layer DVD+R disc 4.7GB.
Burning a DVD disk under macOS can be done with the following Terminal command:
On Windows we recommend using the free ImgBurn app.
Step 3: Boot from your Windows 10 DVD disk
Turn on your mac while holding the “C” key to boot from the optical disk (if you have PCIe drives installed and can’t boot from the disc, remove those PCIe adapters).Proceed with installation normally until you see the “Where do you want to install Windows” drive selection screen.
Step 4: Format the target drive
Press Shift+F10 to launch command prompt. Type the following commands:
Don't you want to know so you can diagnose the issue? Isn't more information better than less information?Hi RaptorUK,The message was from the log file.Regarding all the other parameters I will take your advise and go to update the line to get the errors.Thank you for your supportLuis. If not why not? Are you printing Ask and Freezelevel when you get an error? Invalid parameters were detected for an operation macos error code.
Now make sure to select the correct target drive number N (NOT your macOS disk), after that type:
You should now see your drive as Unallocated space.
Press the “New” button to create necessary partitions. There should be only two partitions (for legacy installation, EFI mode creates four) automatically created:
Select the newly created partition 2 and continue with installation normally. Your mac will be rebooted twice.Every reboot do not forget entering the boot menu (by holding the Option key) and selecting ‘Windows’ boot drive there. When finished, boot into Windows.
Step 5: Install Windows drivers and Boot Camp utility
Windows 10 installs all necessary drivers automatically except Bluetooth and internal speaker. These need to be installed from the original Boot Camp package for MacPro5,1.Download and install 7zip, download Brigadier 0.2.4 app, open Windows command prompt where Brigadier is located and type:
Install Windows 10 On Mac Mojave Without Boot Camp Download
When finished, it will create a folder BootCamp-031-11269, you need to install these for Bluetooth and internal speaker correspondingly, make sure you run the command prompt as administrator:
Now we need newer BootCamp drivers intended for iMacPro1,1:
When finished, it will create a folder BootCamp-041-55643, you need to run this command:
When finished, reboot. We also recommend running Apple Software Update to update Wifi drivers:
You probably don’t want to forget installing our awesome Macs Fan Control app, do you? :)
Switching between macOS Mojave & Windows
When you’re in macOS, use Preferences → Startup disk to select a boot drive:
When you’re in Windows, use the Boot Camp Control Panel from your Windows tray to select a boot drive:
Install Windows 10 On Mac Mojave Without Boot Camp Free
This guide is based on this MacRumors thread. Special thanks to h9826790 for sharing his useful experience. Any comments are welcome.