hi i m a complete newbie at linux...i had a windows 7 installed in my laptop nd drive partitioned..i installed it formatting the drive as it didnt detect i had windows 7 too already...neverthlss it installed correctly..but now wen i m also tryng to install windows i dont have a drive of ntfs file system as it converted to ext4 completely..500 gb wd..plz help me in installing windows too...
Boot from your installation media (live USB or live DVD). Run
At this point, Windows will load but not Ubuntu, because Windows removes Grub the Ubuntu boot loader.
So again boot from your live USB or DVD and repair grub.
Install and run