Now, insert your USB drive and run the command# again. Each entry will have a header in the form "/dev/diskX", where X is# some number starting at 0. There are many different utilities which allow you to write an ISO.# your Mac. Hello, TL DR, I have an ISO installation file that I want to use to repair my Windows PC, but I can only access my Mac computer, right now.# This will output a bunch of info about all of the disk drives connected toThe procedure of creating bootable USB media on Windows depends on which tool you use. BEFORE inserting your USB drive, run theWindows 7 Forums is the largest help and support community, providing friendly help and advice for Microsoft Windows 7 Computers such as Dell, HP, Acer, Asus or a custom build. What Im looking.# First, we need to find our device.Close the Finder window you don't need it.# Back in the terminal, let's find the mounted ISO:# You should see a new entry. A Finder window will open# to show the contents of the ISO. MBR tells diskutil to create a Master Boot# Record, which is necessary for the USB to be bootable.# Your Mac will "mount" the ISO as if it was a drive. WIN10 is the name of that partition (it'll appear in# Finder as the name of your USB). Make note of the name (ie, /dev/diskX).# Now we need to format the drive for MS-DOS and include a Master Boot Record.# In the command below, replace "diskX" with the identifier of your USB drive.# WARNING: this will delete everything on the USB!!Diskutil eraseDisk MS-DOS WIN10 MBR diskX# In the command above, MS-DOS is the format of the partition that will be# created on the USB.Make note of the diskX# identifier as well. The name# will differ depending on which ISO you downloaded. You should see something funny like CCCOMA_X64FRE_EN-US_DV9.
Preppare On A For A Pc Windows 10 Iso AndThis process did not work for me for whatever reason. After part 1 and 2 our done it should tell you you're done, that's when you can do the following like the original guideThat's the thumbstick ready to plug into your pc :) from there it might be once plugging in the thumbstick and turning on your pc you may need to change boot order settings in your bios to pick on the thumbstick but that's it, hope that helpedThank you to everyone's help on this thread. If you see the UEFI option,This helped a friend get it all working but there were some extra steps, so I will just go through and break them down, hopefully, it helps someone else:Download the Windows 10 iso and leave in the downloads folderLaunch the Terminal, found in /Applications/Utilities/Type the following command string then follow the promptsAgain open terminal and type the following code below and follow on-screen prompts which were just press Enter then enter a password (if you are new to the terminal like my friend, when it asks for a password and you start to type it looks like nothing happens, but just type out your password and hit enter and it will do the install (it will take 10 - 20 mins to download and install)Then while your at it install wimlib which you will need later (if at anyone point it tells you can't install its more than likely because your not in the right directory, so just type cd to go back basically, now install wimlibNext, follow the original help guide above to line 33 so that you change to the right directoryAfter you have done that skip the rest of that guide and follow BirkhoffLee's comments, which arePaste the following code, it does not need the install.wim bit fyiRsync -avh -progress -exclude=sources/install.wim /Volumes/CCCOMA_X64FRE_EN-US_DV9/ /Volumes/WIN10After that is done you can then do the last lines they sayWimlib-imagex split /Volumes/CCCOMA_X64FRE_EN-US_DV9/sources/install.wim /Volumes/WIN10/sources/install.swm 4000This will also take some time I think 10 minutes and part 1 of two takes the longest so your percentage marker will not move for a while then jump to 91% percent so don't worry if it's not moving for at least 5 minutes, just be patient. First, cd to another# directory otherwise OSX will not allow you to unmount the ISO (since being in# the directory means the ISO is "in use"):# Eject the USB using the diskX identifier from the second step above:# Eject the ISO using the diskX identifier from the fifth step above:# Now insert the USB into your computer, (re)boot, and select the USB from the# boot device menu (you may need to press some key to show the boot device menu#Depending on how new your computer is, you may see the USB twice: once with# UEFI in front of the name, and the other without. Grab a drink relax.# Once it's done, you can eject both the USB and the ISO.![]() First >2GB, FAT32, Master Boot Record (MBR). Get TWO usb sticks, and format using macOS Disk Utility. No wimlib, no terminal.The task: make a Windows 10 installer USB for a new PC, when I only have a Mac (running macOS Catalina). This is definitely a roundabout way and takes a bit of time (up to 2 hours to download the ISO, installing Windows on Mac using Boot Camp, Windows 10 Media Creation, and Windows 10 PC install) but it works.After going through all the above headaches, and the sledgehammer-nut issues and the worry of security risks, I found a straightforward solution adapted from a post by "cerberus" on this forum/thread. Simply go through the process of installing Windows, go to the Microsoft Windows 10 page on your Windows partition and follow the instructions for creating a bootable flash drive (using the Windows 10 Media Creation Tool), and then use that USB to complete the Windows 10 install on your PC. I tried multiple solutions (deleting partitions, copying the install files to a new partition, lots of diskpart work, etc.) to no avail.As a backup solution (and what worked for me): you can always create a working USB by installing Windows onto your mac using the Boot Camp Assistant tool referencing the same iso downloaded from Microsoft. Minecraft forege for macUSB 2 is needed.Diskutil eraseDisk ExFAT WIN10_USB2 MBR diskX# Use rsync to copy the Windows ISO's sources directory into USB 2Rsync -avh -progress /Volumes//sources /Volumes/WIN10_USB2If others are in dire need to make this all work on a single large USB, it may be possible to create two partitions on a single USB one FAT32 and another ExFAT, and use similar steps above instead of using two USBs you will have to manage two partitions. It seems not to matter that some materials will appear on both USBs.The PC was able to boot from the FAT32 USB and it found the install.wim file (and whatever else it needed) from the exFAT USB without any additional voodoo, and completed the install successfully.I was about to go insane last night, but finally found your post about using two USB sticks during the install, and it worked out of the box like a regular USB install.I did the following - reference for others: # Get disk number of the USB drivesDiskutil eraseDisk MS-DOS WIN10_USB1 MBR diskX# I used balena Etcher and flashed the Windows ISO to USB 1.# The program didn't complain and stuffed everything onto USB 1,# but using just USB 1 for install, the Windows installer complains# about not finding some. Copy everything from the ISO onto the exFAT USB. On the same USB, create a folder called “sources”, and copy into it the one file “boot.wim” from the “sources” folder in the ISO Copy everything EXCEPT “sources” folder onto FAT32 USB (drag and drop). Download the Windows 10 ISO.
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