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So my PC crashed a couple days ago and I need to run a clean install of windows 10 from a bootable USB. The only other computer I have to work with is a Chrome OS, and I can't seem to find clear instructions on how to create a bootable USB from Chrome OS. Most of my search results are pulling up how to create a bootable USB to use within the Chromebook itself, whereas I want it to be used on a PC. Any ideas on how to do this?

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  • Find the Microsoft Media Creation Link , load that up in a browser window, go to the Second link (the link below Upgrade this PC) and create a bootable USB from the ISO file. Use that to repair your computer.
    – John
    Dec 27, 2020 at 2:06
  • @Steve UEFI will detect your USB drive ONLY if it is formatted as FAT32. (some PC's MIGHT allow NTFS, but FAT32 is recommended). see here and also, see here
    – 1NN
    Apr 12 at 14:13
  • This procedure is similar but seems more complete than the one in the answer. It might work better.
    – harrymc
    Apr 13 at 12:10
  • @harrymc, the procedure doesn't differ greatly. None of the detail would make a difference, as when I insert the completed USB drive into a Windows machine, Windows says "You need to format the disk before you can use it", so it looks like 1NN is correct. Cheers.
    – Steve
    Apr 17 at 9:38
  • @1NN, when I added the boot thumb drive I made on Chromebook to a replacement Windows laptop, Windows said the drive needed to be formated, so it looks like you're right. If you can create an answer on how to create a FAT32 Windows installer USB thumb drive on Chromebook, I'll grant you the bounty.
    – Steve
    Apr 17 at 9:40

3 Answers 3

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Download the iso from the microsoft website https://www.microsoft.com/software-download/windows10. Add the chrome extension chromebook recovery utility. https://chrome.google.com/webstore/detail/chromebook-recovery-utili/jndclpdbaamdhonoechobihbbiimdgai Rename the downloaded file from filename.iso to filename.bin. Launch chromebook recovery utility and click the settings button in the top right corner, select use local image. Select the filename.bin that you downloaded and renamed. Insert and select the usb drive you are putting the iso on, wait for it to load, your done!

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The Chromebook might not be the best tool here, but you do have a PC that can be used for this, even if its installed Windows is unusable and needs to be reinstalled.

If your PC has the capacity to connect two USB devices, and you do have two large-enough USB disks, then use one disk for booting an operating system that can create on the other disk the required Windows installation from the ISO.

You would need to copy the ISO to to the boot disk for it to be available.

You could use either of the following two boot medias :

  • A Linux Live USB
  • Tiny10, which is a Live lightweight version of Windows 10 for low-end PCs.

References :

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  • Thanks Harry, but this isn't really a canonical answer.
    – Steve
    Apr 18 at 10:59
  • @Steve: What's a canonical answer ?
    – harrymc
    Apr 18 at 13:40
  • The closest to an offical answer to Create bootable windows 10 USB from chrome OS you can give.
    – Steve
    Apr 18 at 13:55
  • @Steve: I added canonical references for both boot environments.
    – harrymc
    Apr 18 at 14:13
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Another option is to write directly ISO to pendrive: from console in Chrome (CtrlAltT) you run command dd and write the iso to pendrive device in /dev/:

dd if=./Windows.iso of=/dev/sdb - change sdb to pendrive device (whole)

That way iso written is mostly capable to boot in modern systems.

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