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I need help creating a bootable pen with windows iso. I tried so many ways and nothing... One of my pendrives even broke(doesn't show up in the PC when I connect).

I tried with UNetbootin but if I format my pendrive to fat32, when I restart my PC I got to a screen with only one option "Default". That does nothing.

And if I try to format to NTFS... UNetbootin just don't accept my pendrive.

I tried with Furius(but I don't know how to use this program) and manually with the terminal, but I'm much lazy for that.

PS: When I started I was trying to format to WIN10, but now it doesn't matter, I really need a partition with Windows.

PS2: My PC doesn't have a CD/DVD Reader, so...

PS3: My Pendrive is only of 4GB, my win10 iso is ~3,8GB so I can use, this is not the problem, even if I couldn't use this iso, I could only download a WIN8/7/XP and install another just to get to windows(after this, get to WIN10 is pretty easy).

PS4: I'm running ubuntu 16.10

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    Please consider using Rufus, which is the software recommended on Ubuntu's site, to make your bootable USB drive. ubuntu.com/download/desktop/create-a-usb-stick-on-windows Feb 8, 2017 at 2:10
  • Rufus is a Windows app. The OP is running Ubuntu. Feb 8, 2017 at 3:01
  • It appears that some people are trying to close this question. The OP is running Ubuntu. I'm sure it's within the topic of Ubuntu to run applications to make files and media that is compatible with other OS's... such as creating a *.docx file for a Windows machine, creating USB bootable pendrive for Windows, or cross compiling to an .exe file under Ubuntu. I wouldn't want to have to find a Windows machine, when I can do it all from the comfortable environment of Ubuntu. Feb 8, 2017 at 3:09
  • Please tell us which operating system and version you are running right now (for example Ubuntu 16.04.1 LTS), and if you are running an installed system or 'only a live system' from a USB drive.
    – sudodus
    Feb 8, 2017 at 7:33
  • I'm running the Ubuntu 16.10. I can't use Rufus because it doesn't detect my USB when I open with wine...
    – Fisheko
    Feb 8, 2017 at 15:08

2 Answers 2

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Use woeusb in Ubuntu to create a Windows Boot Disk from an ISO.

$ sudo add-apt-repository ppa:nilarimogard/webupd8
$ sudo apt update
$ sudo apt install woeusb

Update:
The winusb had been renamed woeusb in the webupd8 repository.

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  • I'll try this right now.
    – Fisheko
    Feb 8, 2017 at 15:12
  • So, I got this error mensage: i.imgur.com/YVtYVHL.png but the USB appears to be OK, with the files inside it. I'll try to reboot now.
    – Fisheko
    Feb 8, 2017 at 15:43
  • I believe I recall seeing and error message at the end of creating a Functional Windows Pendrive. However, the media always booted and installed Windows without errors. I when through a few pendrives before I finally tested on for a Windows install. Feb 8, 2017 at 15:49
  • Yes it worked even with the error message, really thank you ._.
    – Fisheko
    Feb 8, 2017 at 16:23
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I'm just going to go on a limb here and say you're not quite understanding how the file sizes work. A 4GB USB drive does NOT have 4GB of usable space. Space is taken by the filesystem no matter what format you use. That being said, your USABLE space is less than 4GB. Now that that's out of the way, flash memory will degrade over time. You will not always have the amount of space you started with. The flash controllers in the chip will manage allocation and data placement accordingly as cells die. Here's the kicker. You want to install a 3.8GB file which is likely ACTUALLY between 3.8GB and 3.85GB and NOT just 3.8GB. This depends more on the filesystem rather than the data itself because each filesystem will have different properties. That being said, you have even less to work with. Now, this is still fine, I'm sure you have some space, yeah? Well, it's still not that simple. WRITING the file will change it's properties too. The data you're writing doesn't just magically appear as an exact copy on the device. There's directory data, pointing data, referencing data, and recovery data which ALL adds up when the ISO is written to the disk. See, because the ISO file is now opened up and spanning the disk, just like the files on your OS do on your computer. These files have directories/locations that now need to be referenced so the system knows where they are and can link to them.

TL;DR: You need more space. It IS possible, but you'd have to have the kind of luck someone does when they manage to shoot a full court basket with a blindfold in a wind tunnel.

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  • In short, I can't use my 3,74GB pendrive to mont a 3,3GB ISO?
    – Fisheko
    Feb 8, 2017 at 15:12
  • For the most part no, it's highly unlikely you'll be successful. Trying over and over is the only advice I can give you but you'd be better off with a slightly larger drive. It's kinda chance-y.
    – user639089
    Feb 8, 2017 at 18:37

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