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Boot-Repair is a free software (licensed under GNU-GPL) to repair boot loader GRUB in Ubuntu . This usually happen when you cant boot Ubuntu after installing Windows or another distro Linux, or when you cant boot Windows after installing Ubuntu, or when GRUB is not displayed anymore, some upgrade breaks GRUB, etc.

In the previous article, has written about How to Fix Broken Ubuntu Boot GRUB using terminal command. In this article, we will fix the problem boot GRUB with a simple click using Boot-Repair.

Boot-Repair also has advanced options to backup table partitions, backup bootsectors, create a Boot-Info, restore a Windows-compatible MBR, etc.



Install Boot-Repair

1. Boot your computer on a Ubuntu live-CD or live-USB.
2. Choose Try Ubuntu.
3. Connect internet to your computer, because installation Boot-Repair need connect to repository server using internet connection.
4. Run Terminal, then type the following command:
   

   sudo add-apt-repository ppa:yannubuntu/boot-repair && sudo apt-get update

5. Then press Enter.
6. Then type this command in Terminal:
   

   sudo apt-get install -y boot-repair && (boot-repair &)

7. Then press Enter.
8. Wait after finished installation.

Using Boot-Repair to repair GRUB in Ubuntu

1. Run application Boot-Repair by typing "boot-repair" in a Terminal.
2. After Boot-Repair is running, click "Recommended repair" button. 
3. After repair is finished, reboot your system.
4. If repair didnt succeed, please try using "Advanced option"
5. Look at "Advanced option" this screenshot: