Install windows 7 on usb drive mac

Now the screen will show a list of storage drives currently connected to the computer, starting with Disk 0. You can easily figure out which one the thumbdrive is by looking at the amount of storage. A 4GB thumbdrive will show as around MB. For this guide, as seen in the screenshot below, the thumbdrive is Disk 3. Now you want Diskpart to select this drive by typing command select disk 3 then pressing Enter. In case you mistype a command and then will be greeted with an error message , you can always redo it. These commands are not case-sensitive.

If you have done everything correctly, the command prompt window should be displaying something like this:.

Install Win 7 on MacBook Air from a USB drive

Now we'll need to further prepare the thumbdrive by executing another handful of commands, one after the next. Remember to press Enter after each of them. During this time you will see an indicator of the formatting process. Again, if you have done the steps correctly, the command prompt window will look like the screenshot below. This is because the thumbdrive has just been assigned a drive letter. Without closing the command prompt window, you can open the "Computer" to see what the drive letter of the thumbdrive is.

For this guide, the drive letter is H: However, this letter is likely different in other cases, depending on how many storage devices the computer currently has. We need to make the thumbdrive bootable by transferring boot information over from the Windows 7 installation DVD. Again, for this guide, this is the E: Go Back to the command prompt window if you have closed it by accident, you can redo step 1 to open it again , execute the following commands:.

Again e: Copy the entire contents of the Windows 7 installation DVD onto the thumbdrive by selecting all items in the E: After four days. It sounds more cumbersome than it really is. Goes much faster each subsequent time. My notes on change required are listed here: I believe he covers the EFI with pictures too. Really great work on his part.

I also have some additions to what he shares coming soon. In the meantime leave a post with any questions. Any idea what i did wrong? I have the same issue as Laura. The bootcamp. Please can you help me? Remove that file, and try that command again without quotes.

I created the bootcamp. What I am missing??

Create a bootable installation flash drive for Windows 10 Education Edition

Same thing happened to me. After you select all files from the drop down menu, you will be able to select it. So I get all the way up to the installing from the virtual box part. I was able to get it all set up with a combination of tips from comments and the guide. Anybody than can help?

I am able to install the windows files onto the external HDD, however, when I try to boot from the drive after shutting VirtualBox down before Windows is able to restart , I get a blue screen of death every time Windows tries to load, which then makes my computer restart. Not sure what is wrong?? Any ideas or help? I was having the same issue when attempting to install the October release of Windows 10 Home, but found I could successfully install the April release.

Windows10 is successfully running through the VM but when I restart my computer and hold down options the only option I am given is to select the mac startup disk and my wifi network. Early thanks. I did everything listed here and everything worked fine.

Create a Bootable Win7 USB Stick on OSX · GitHub

However when I restarted my macbook and went to the Startup, only my Mac drive showed up. Has anyone else come upon the problem that the April 18 Windows 10 update will not install on an external drive? Thanks for the great step-by-step. I had to eject the external drive remain plugged in and eject and actually unplug the external drive a bunch of times until I was able create the virtual environment using the bootcamp.

In other words, it took several of tries to make the bootcamp.

From then on it was clear sailing. Hey Louie, Just wanted to know whether after installing W10 on your external drive you are still able to use it to store files in it like any other external drive. You can but keep in mind you got the normal windows file structure Users, Windows, Programs etc. I suggest you to just start over from scratch. I had this problem as well when installing the October release of Windows 10 Home. So I have managed to get everything in the installation processes to work up until Windows Setup.

Does anyone know how to fix this? I also tried Windows 7 installer with the same problem — the drive stops responding.

1. Dual Boot Windows On Your Mac, Using Your Mac’s Hard Drive

Are there additional steps that I will need to take to make this possible? I tried it, but unfortunately, whenever I try to start the virtual machine, I get the following error: Still, I get the same message every time. Hey Daniel, I got the same errors, make sure the external drive is still unmounted ejected when trying to run the virtual machine. Other than that, try restarting your machine and checking to see if there are any flags in the security settings that you need to allow. But, how do I fix it? I went through all the steps, regardless now I realize, I had done something possibly wrong.

This is happening to me even though I have the support software on a USB stick. Would love to know what the problem is. Or you might have problems creating the bootcamp.

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Else you might get an access denied error. After starting the virtual drive, and in the Windows installation screen where you select the drive to install — DELETE the external hard disk as it was previously set to MBR if you followed the instructions. Then proceed with the installation. I removed the quotation mark from this line of code: Thanks to the comments for this tip also. When I restarted my mac with option pressed down my external drive showed up but when I entered I just got a black screen with a blinking underscore.

I tried this but made no difference. Cannot create the raw disk VMDK: The raw disk vmdk file was not created. Go and delete it and start over. I made the installation with usb. Is it because the win10 disk is MBR?

Could this installation be done with GPT disk? I removed all partitions on the external drive, created a new partition and after that it worked. And I would add, that you have to eject the WIN10 drive all the time. Now I get this error… VBoxManage: Thank you for this great how to!! Somehow, I keep failing at this. I receive this error: Result Code: MediumWrap Interface: I just fixed this issue after a bit of tinkering. You need to assign your user ownership of the external disk.

After this make sure the external drive is unmounted from MacOS and you will be able to add it to the Virtual Machine. Joseph, I got the exact same error as you did when trying to open the bootcamp. So just go back to the Finder and eject the disk again.

You may be prompted to insert the USB device even if the flash drive is already inserted. Ignore this, and choose the USB device you'll be writing to. To use Rufus to create the bootable drive, follow the instructions below to Use Rufus to write an. This is document bciz in the Knowledge Base. Last modified on Skip to: Knowledge Base Search.

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