I installed ubuntu 14.04 on a separate hard disk twice. First time I put the boot loader on sdb but it goes straight to Windows 8.1 on startup. So I installed the second time with boot loader on sda however the problem still exists. Please help.


Edit: Go to this question and follow the installation instructions given there. I recommend installing Ubuntu on your sdb.

After installation, connect both your hard disks first and go into your Ubuntu installed in sdb.

Open a new terminal session ( Ctrl + Alt + T ) and type the following commands :

sudo grub-install /dev/sdb
sudo grub-mkconfig -o /boot/grub/grub.cfg

Reboot the system. Windows must have appeared in the grub menu now.

  • I cannot get into ubuntu. iI have even tried unplugging sdaA sata cable. And the computer says "No boot device available" this is a dell xps 8500 if it helps any – Battery Jan 11 '15 at 4:03
  • I have edited the answer – Sachin Kamath Jan 11 '15 at 4:09

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