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How to install Windows 7 from Ubuntu without burnning a disc

If you’re running on ubuntu and want to install Windows 7 without burning a disc,you can try following steps to install Windows 7 with the iso file.

Step 1 : Download grub4dos from : Decompress the grub.exe and put this file into root directory of Ubuntu partition (“/”).

Step 2 : Create a 4GB ntfs partition and paste all files from Windows7 iso into this partition.

(use this GUI tool)

sudo apt-get install gparted ntfsprogs

Launch from system->administrator menu.

use this command to mount the Win7 iso (change “/path/to/your/iso”):

sudo mount /path/to/your/iso /mnt -o loop

then cope all files in /mnt and paste them into root directory of previous created ntfs partition.

Step3 :

For Ubuntu 9.10 (use grub2):


sudo gedit /etc/grub.d/40_custom

paste following into the end:

menuentry "Grub for Dos" {
insmod ntfs
set root=(hdx,y)
linux /grub.exe

Note : here “set root=(hdx,y)” need change, my ubuntu was installed in /dev/sda1,so it should be “set root=(hd0,1)”


sudo update-grub

For ubuntu 9.04 and old versions (use old grub boot loader):


sudo gedit /boot/grub/menu.lst

add following:

title grub4dos
root (hdx,y)
kernel /grub.exe

Note:“root (hdx,y)” is different to previous one, my ubuntu partition:/dev/sda1,and here it should be “root (hd0,2)” (without quotes).

Step4:Reboot and there is a new entry in grub:”Grub for Dos”or”grub4dos”.Select it and press c to access to grub>,then:

grub>find --set-root /bootmgr
grub>chainloader /bootmgr

Now, we get into Win7 installation guide interface. Press Shift+F10 to cmd command line,and run following in X:/sources loation to start:


Posted in Linux, Ubuntu