How to retrieve a Windows Vista / 7 / 8 boot with GRUB (Grand Unified Bootloader) defective

When we have a computer with 2 operating systems installed (Windows + Linux) with a multi-boot manager GRUB, we can present problems to remove linux and just stay with windows.

To resolve this problem follow these steps:

1- Insert the installation CD of the operating system installed on your computer

2- Press F12 to select the CD Rom as first boot device

3- Press any key on the menu says "press any key to boot from cd or dvd" to enter the installation CD/DVD

4- From the CD select Repair your computer

5- Click next on the language selection screen

6- Locate the option of entering the command line and press ENTER

7- Write in the command line :
                                                 a) bootrec /FixMbr
                                                 b) bootrec /FixBoot
                                                 c) bootrec /RebuildBcd
8- Restart the computer

9- Press F12 to select the CD Rom as first boot device

10-  From the CD select Repair your computer

11-  Locate the option  Automatic repair /  Startup repair  and press ENTER

12- Restart the computer

Note that the location of the command line and startup repair can vary depending on whether you use Windows Vista, 7 or 8.


EXAMPLE

WIndows 8.1 Pro    

For command line option: 

For automatic / startup repair option:

Now your computer will boot into windows automatically

        

Steps to install the drivers of NVIDIA GeForce GTX 650 graphics card in Lubuntu & Xubuntu

Tested on a desktop pc with the following characteristics:

Motherboard: GIGABYTE GA970DS3P
Processor: AMD FX-4130 Quad-Core 3.8GHz Socket AM3+
RAM: 8GB


FOR LUBUNTU (driver version 340.24)  

Log into the operating system

0) Download the drivers file from NVIDIA website
http://www.nvidia.com/download/driverResults.aspx/76884/en-us  for x64 Operating System
http://www.nvidia.com/download/driverResults.aspx/76881/en-us for x32 Operating System

1) CTRL+ALT+F1

2) sudo apt-get install gcc 

3) sudo apt-get install make

4) sudo service lightdm stop

5) sudo init 3

* Join to the downloaded driver directory




6) sudo sh downloaded_file.run

7) sudo service lightdm start

8) sudo reboot


If the Lubuntu boot displays an error message at start-up follow these
steps to resolve a conflict of drivers:


1) sudo apt-add-repository ppa:ubuntu-x-swat/x-updates

2) sudo apt-get update

3) sudo apt-get dist-upgrade

4) sudo reboot


* After Reboot


5) CTRL+ALT+F1

6) sudo service lightdm stop

7) sudo init 3

* Join to the downloaded driver directory

8) sudo sh downloaded_file.run

9) sudo service lightdm start

10) sudo reboot


FOR XUBUNTU (driver version 304.117) 

Log into the operating system

1) CTRL - ALT + T

2) sudo apt-get purge xorg*

3) sudo apt-get install xorg

4) sudo apt-get install nvidia-current-updates

5) Reboot 

 
Done!