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I have installed ubuntu 14.04 triple boot.

I already had windows 7 and 8 before installing Ubuntu. Now I am unable to boot either of them.

On startup Ubuntu is getting started directly without any triple boot option. What should I do to open either of the two windows? Can anyone help me with this?

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    Please run sudo fdisk -l and add this information to your question. – To Do Aug 17 '14 at 13:36
  • Do you see the GRUB menu if you try to boot by holding Ctrl and Shift? – Andrea Lazzarotto Aug 17 '14 at 13:37
  • I can see GRUB menu by holding ctrl and shift . But it returns only three options: 1. Ubuntu 2. Advanced options for Ubuntu 3. System startup – user2884969 Aug 17 '14 at 15:27
  • Can you run in a terminal sudo update-grub ??? – Pigeonaras Aug 17 '14 at 18:16
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use Boot-Repair tool to solve this problem

This link could be helpful for you.

To know how to install the Boot- Repair tool in an Ubuntu live disc, click here

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