Create Win10 Usb On Mac Without Boot Camp

17.04.2020by

Installing Windows on a Mac should be a piece of cake with Bootcamp, but thatrarely is the case. In fact, I would personally say that Boot Camp Assistantis one of the worst apps that comes with OS X and unlike the rest, it doesn’twork seamlessly.

  1. Install Windows 10 on Mac Without Boot Camp Once you have created a bootable USB flash drive for Windows, then download the “Boot Camp driver” for Windows. For the first time when you install Windows on Mac, so the “Internet, sound, graphics, and other drivers are disabled”, and they are not working.
  2. Jun 07, 2018  Installing Windows 10 on your MacOs (or mac for older versions) without BootCamp can be a pain, but not anymore after this tutorial. How to Make Windows 10 Boot Camp Usb Stick Mac.
  3. Mar 28, 2016  First of all, Andre, your guide is easily the best that I have seen for installing Windows 10 with Boot Camp. It is thorough, detailed, and understandable. Thanks for this contribution. The most important part of your advice in my case was to be sure to download the latest version of OS X and the Boot Camp drivers. That got me over the hurdle.

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A few of its drawbacks:

  • It only supports a drive with a single partition.
  • It often throws very obscure error messages with limited detail.
  • It re-downloads 1.6 GB Windows drivers every single time it runs. These areplaced under /Library/Application Support/BootCamp/WindowsSupport.dmg anddeleted and re-downloaded each time Boot Camp Assistant starts processing.

Jun 09, 2017 How to create a bootable Windows 10 USB on Mac The last release of Mac OS doesn't have the option to create a bootable USB from Bootcamp like previous versions, and it is a problem because that require uses other tools. Mar 01, 2015  Question: Q: How to use bootcamp without a usb. I want to use boot camp, but I don't have a big enough usb I don't use. I also don't want to buy a new one so is there away to use boot camp without a usb or cd. The keyboard and mouse or trackpad that came with your Mac (If they aren’t available, use a USB keyboard and mouse) A minimum of 2. Mar 12, 2016  Installing Windows 10 on a Mac without Bootcamp. Installing Windows on a Mac should be a piece of cake with Bootcamp, but that rarely is the case. In fact, I would personally say that Boot Camp Assistant is one of the worst apps that comes with OS X and unlike the rest, it.

This post did take a lot of work to complie and I did bone my hard drive afew times while trying certain ideas, so please throw out a thanks if ithelped you out :)

Disclaimer: This guide below contains procedures which can potentiallydestroy your partitions and data. I accept no responsibility for such loss soplease proceed at your own risk.

Update (2016-07-20): I have updated this post with further improvementsrelating to downloading of Boot Camp drivers and ensuring that a Hybrid MBR isnot used (which would cause issues when installing Windows).

  • An 8 GB or larger USB stick
  • A copy of the Windows 10 ISO
  • A valid Windows 10 license
  • A downloaded copy of unetbootin
  1. Start Boot Camp Assistant
  2. Select Action / Download Windows Support Software
  3. Choose your Downloads directory, enter your password and then clickSave

This will be the only step that we will use Boot Camp Assistant for.

Formatting Your USB Stick

Attach your USB stick and start Disk Utility, select your USB drive in theleft panel under External, click Erase and set the options as follows(exactly) and click Erase:

Name: FAT32
Format: MS-DOS (FAT)
Scheme: Master Boot Record

Turning Your USB Stick into a Windows Installer

Open unetbootin, enter your password, set the options as follows andclick OK:

Diskimage: checked, set to ISO and browse to your Windows 10 ISO
Type: USB Drive
Drive: Your USB drive (you should only see one entry here)

If you see more than one drive listed, you may confirm which is your USB driveby opening the Terminal and typing:

You’ll see your USB drive in the output and it should look something like this:

Once you have kicked off unetbootin, grab a snack while the Windows ISO iscopied to the USB stick. This process takes around 15 minutes to complete.

Finishing Up

When this has completed, you may right click on the USB stick in Finder,select Rename “FAT32” and rename it as you like (I’ll call mine“WINDOWS 10”).

Finally, copy the WindowsSupport in your Downloads directory tothe Windows 10 USB stick so it’s easy to get to after our installation.

In Disk Utility, select your internal hard drive on the left panel, andclick on Partition.

Click the + button and create a new partition of your desired size for yourWindows installation and name it as you wish (I’ll call mine “BOOTCAMP”). Ensure that the Format is set to MS-DOS (FAT) and click on Apply.

Huge thanks to Rod’s post from the superuser post titledWindows detects GPT disk as MBR in EFI boot.

Once you add a FAT32 partition with either Boot Camp Assistant or Disk Utility,your disk is converted into a hybrid GPT / MBR disk which is actually notsupported by newer versions of Windows. In this step, we revert thisadditional change made by Disk Utility by switching back to a pure GPTpartition table.

  1. Dowload the latest version ofGPT fdiskby browsing to the version, then gdisk-binaries and clicking the filewith the *.pkg extension (e.g. gdisk-1.0.1.pkg).
  2. Install GPT fdisk by running the installer you downloaded
  3. Open a Terminal and check the state of your MBR

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    If your MBR partition is set to hybrid, please continue with step 4,otherwise if it is set to protective, you may skip the rest of thissection. Simply type q and hit return to exit GPT fdisk.

  4. Type p to view the existing partition table and verify you’re workingon the correct disk

  5. Type x to enter the expert menu

  6. Type n to create a fresh protective MBR

  7. Type w to save your changes and confirm the change when asked

  8. Type q to exit GPT fdisk

  9. Run GPT fdisk to show your disk layout:

    Your partition table should look something like this:

Disconnecting All Devices From USB Ports

This step is critical as I have had rather serious problems during Windowsinstallation when certain external drives are connected.

Unplug everything from your Mac except your keyboard (if wired) and yourbootable Windows USB stick (which we prepared earlier).

If your Mac contains multiple physical drives, you will need to disconnectall disks except the one which you intend to install Windows on or you mayencounter the following error:

Windows could not prepare the computer to boot into the next phase of installation. To install Windows, restart the installation.

Booting From the USB Stick

Ensure that the USB stick containing the Windows installer is inserted andthen restart your Mac while holding down the option (alt) key.

You should now be presented with a list of bootable drives. Select the USBdrive (usually titled “EFI Boot”) to begin installing Windows.

Correcting Your Windows Hard Disk Partition

When you are asked Where do you want to install Windows?, select theWindows partition created earlier (which I called “BOOTCAMP”) and clickDelete.

Next, select the chunk of Unallocated Space and click on New to createa proper Windows NTFS partition.

Note: OS X only supports creation of FAT filesystems, so this is why we needto re-create the partition ourselves during install.

Backup Win 10 On Usb

Completing the Installation

Allow the installer to complete and boot into Windows.

Installing Boot Camp Support Software

Once Windows is up and running, install the Boot Camp Support software runningWindowsSupport/BootCamp/Setup.exe on your USB stick.

Put Win 10 On Usb

Note: The installer takes a little while to show up, so please be patient.

You may encounter a known issue whereby the Boot Camp Support Softwareinstaller locks up while installing Realtek audio.

If this occurs, you will need to open Task Manager and kill theRealtekSetup.exe process.

After the installer has completed, answer No when prompted to rebootand install the Realtek drivers manually by running%USERPROFILE%AppDataLocalTempRarSFX0BootCampDriversRealTekRealtekSetup.exe.If you can’t find this file, check any other directories starting withRARSFX under %USERPROFILE%AppDataLocalTemp.

Once complete, reboot Windows.

  • The latest version of SharpKeys
  • The flipflop-windows-sheel binary (see README for a download link)

Mapping Your Mac Keyboard

Install and run SharpKeys and then configure the following mappings tocorrect your Mac keyboard so that it behaves like a regular Windows keyboard:

Function: F13 -> Special: PrtSc
Special: Left Alt => Special: Left Windows
Special: Left Windows => Special: Left Alt
Special: Right Alt => Special: Right Windows
Special: Right Windows => Special: Right Alt

Note: for F13, you’ll need to select Press a key and click F13 on yourkeyboard.

Switching to Natural Scrolling

If you wish to flip scrolling direction to match that on OS X, runFlipWheel.exe and then click on Flip All.

Enabling Num Lock on Boot

Paste the following into a file named Enable NumLock on Boot.reg thenimport this into the registry to enable NumLock when Windows boots up(it doesn’t by default).

Completing Configuration

That’s it, give your machine one last reboot and you’ll have a fully workingWindows 10 installation.

Note: I have found Apple’s Magic Mouse to be extremely unreliable usingthe Boot Camp drivers from Apple. As such, I recommend purchasing a Logitech(or similar) mouse for use in Windows. I have no trouble plugging thewireless receiver for my Logitech mouse into one of the USB ports of my wiredApple Keyboard and it’s so tiny that you can’t see it at all.

Removing the Windows Partitions

If you decide to remove Windows, you may find that Disk Utility doesn’t allowyou to delete the two partitions that have been created by the Windowsinstaller.

This happens due to the fact that the first small partition created is of atype called Microsoft Reserved which OS X’s Disk Utility doesn’t support.

The safest way to delete these partitions is through the Windows installer. Sosimply boot from your USB stick as we did before and when you reach theWhere do you want to install Windows? question, you may delete your“BOOTCAMP” partition and the small 16 MB partition of type MSR (Reserved)just above the BOOTCAMP partition.

Once done, simply quit the installer by clicking the X in the top right cornerof each Window and reboot back into OS X.

Removing the Boot Entry

Even though we have removed the Windows partition, a boot entry will still bepresent when holding down option (alt) during boot.

You may remove these items by running the following in your Terminal:

To troubleshoot an issue with Windows 10 (especially boot-related issues), it can be handy to boot to Windows 10 that is not installed on a Boot Camp partition. It is relatively straightforward to create a bootable USB Flash drive to boot to the Windows 10 installer, and then open up a DOS prompt for troubleshooting.

What is needed

  1. USB Flash drive (8 GB or larger recommended)
  2. Windows 10 Installer ISO for Windows 10

Preparation

All the preparation is done in macOS on the Mac that is having an issue booting Windows. It is important to use this Mac since it will be used to identify the correct Windows drivers.

USB Flash Drive

The USB Flash drive must be formatted as exFAT.

  1. Insert an 8GB or larger flash drive into a USB port on the Mac
  2. In Disk Utility, format the Flash drive as exFAT. Quit Disk Utility after this operation completes.

Boot Camp Driver

Open Boot Camp Assistant in the Utilities folder, and download the current Windows Support Software from the Action menu. Save the Windows Support Software to your desktop or other location, but do not save directly to the USB Flash Drive.

Windows Install Media

Download the current install media from the Microsoft website. Windows is not going to be installed, but the install media will give access to the command line tools in Windows. Select the version of Windows that is closes to the version of Windows installed on the Mac (Windows 8, Windows 10). It does not matter what edition of Windows is used since Windows is not going to be installed.

Create Recovery USB Flash Drive

To create the USB Flash drive, follow these steps:

  1. Mount the Windows ISO that was downloaded from Microsoft. To mount the ISO, double click on the ISO in the Finder.
  2. Drag all the files and folders from the mounted ISO to the USB Flash Drive.
  3. Drag the contents of the Windows Support Software to the USB Flash Drive.
  4. If there is not an AutoUnattend.xml at the top level of the drive (as shown below), download AutoUnattend.xml, unzip it, and add it to the drive. AutoUnattend.xml provides the location of the $WinPEDriver$ folder to load the drivers during boot.
  5. The 2018 MacBook Air (and potentially Macs after that) have cannot load the IntelMEI driver and give a “Windows Setup could not install one or more boot-critical drivers. To install Windows, make sure that the drivers are valid, and restart the installation”. On the USB Flash drive, open the $WinPEDriver$ and remove the IntelMEI folder.

Once the Flash drive has been created, it should look like this:

The $WinPEDriver$ folder is important because the $WinPEDriver$ folder contains the drivers for Windows to boot successfully from the USB Flash drive and the hardware on that Mac.

Boot from the USB Flash drive

To inject the drivers, the Mac must be booted from the USB Flash drive.

  1. Insert the USB Flash drive into an available USB port on the Mac
  2. Reboot while holding the option key.
  3. Select EFI volume in the startup selector.

If Windows does not boot from the USB Flash drive after showing the Windows logo, you may have to run the following command to tell the firmware to boot the windows installer from the USB flash drive. This has been observed on the late-2014 Mac Mini but may affect other models as well. To set the variable:

  1. Disable SIP by booting to the recovery partition.
  2. Boot back to macOS and open Terminal. Run the follow command and enter the admin password when prompted:

sudo nvram InstallWindowsUEFI=1

Insert the USB flash drive if it is not inserted, reboot, and select the EFI volume from the startup selector.

Note the InstallWindowsUEFI variable is cleared at each reboot, so you will to set it again if you do not select the USB Flash Drive.

Command Prompt and Mapped Drives

How to make a windows 10 bootable usb on mac without bootcamp

When Windows 10 starts up, it will prompt for installation of Windows 10. To open up a DOS window, press Fn-Shift-F10 (or just shift-F10) or click Repair Computer->Troubleshoot->Command Prompt (if available).

Create Win 10 Usb On Mac Without Bootcamp Windows 10

Once in the command prompt, there are usually 3 drive letters available: X, C, and D.

  • X: This is Windows that you are booted into in memory. The files from the boot.wim on the flash drive are copied to memory and then booted to.
  • C: Boot Camp partition
  • D: The USB Flash drive

Create Win 10 Usb On Mac Without Bootcamp Assistant

Running Utilities

Within the Windows command prompt, you can run utilities on the Boot Camp partition.

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