I have installed Ubuntu 14.04 (Trusty Tahr) along with Windows 8.1. When I turn on the computer I don't get an option to boot into Ubuntu, and I go strait into Windows. How can I solve this?

I have tried using boot-repair, but I could not install it on live Ubuntu (as the Internet connection is not working), so it is working in my 'installed' version of Ubuntu. There I am not able to use the 'recommended repair' option.

Here is my pastebin link:

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1 Answer

1. Disable hibernation and fast startup in Windows.

   • Open command prompt as administrator and execute:

     powercfg /h off 

   • Open Windows Control Panel.

   • Go to Power Settings.

   • Uncheck Fast startup.

2. Shutdown the machine completely - do NOT reboot.

3. Reinstall GRUB boot loader for Ubuntu in EFI mode.

   • Boot from the Ubuntu installation medium.

   • Select Try Ubuntu without installing.

   • Open a terminal and execute:

     sudo mount /dev/sda7 /mnt
     sudo mount /dev/sda2 /mnt/boot/efi
     for i in /dev /dev/pts /proc /sys /run; do sudo mount -B $i /mnt$i; done
     sudo chroot /mnt
     grub-install /dev/sda
     update-grub 

   Note:

   sda = disk | sda2 = EFI partition | sda7 = system partition

4. Boot into BIOS and select Ubuntu as default system.

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