Procedure for  Restore MBR from Ubuntu live CD / USB?
On dual boot Ubuntu and Windows, If you like to uninstall / remove 
Ubuntu from your machine and like to have windows alone. Then you need 
to restore your original MBR and it can be done easily with Boot Repair 
using Ubuntu Live CD / USB.
To install the Boot Repair
You need to have Ubuntu Live CD or Live USB. Boot using your Ubuntu Live CD or Live USB, while booting choose Try Ubuntu.
Once booted then open a terminal, and run the following command one by one to install the boot repair.
To add boot-repair to the repository
$ sudo add-apt-repository ppa:yannubuntu/boot-repair
To Update your repository
$ sudo apt-get update
To install boot-repair
$ sudo apt-get install -y boot-repair
Once installation complete follow the steps below.
To Restore MBR
Run boot-repair on terminal by typing the following command or select it by System->Aministration->Boot Repair.
$ boot-repair
It will scan the System for few seconds and will pop-up a small 
window. Select Advanced options and in Main options tab select Restore 
MBR. Check the screen shot below.
Then select the MBR options tab, check the 
drive for MBR and Windows OS. By default all the options are selected 
correctly if not select the drive where your MBR is to be and the 
correct OS. Click apply now, check the screen shots below.
Once done click ok and restart
 your system and it should work. Then after logging in into your 
windows, go to Disk Management in Computer Management then select the 
Storage. Now you will see the list of all available partitions, there 
you select the linux partitions and delete it. Make a new partition from
 the deleted one and format it with ntfs. Thats it your done.
 
 
 
 
 
