How to use GRUB as default bootloader while dual booting Win7+ubuntu

Question

I installed windows 7 first and then Ubuntu, booted back into windows and used EasyBCD to use the Windows 7 bootloader for dual booting. So when the system is rebooted Windows bootloader comes up first and once you select Ubuntu then GRUB shows up.

I need to how to make GRUB the default bootloader instead of windows 7's.

Thank you

Solution

Simple. Boot-repair.

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

Then run Boot-repair by sudo boot-repair and use "Recommended repair".

GRUB2 will automatically detect windows boot Path.

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