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I want to install Ubuntu 14.04.1 LTS alongside with Windows 7.

But there is one issue that if I install Ubuntu, I will lose Windows 7 bootloader and it will replace GRUB bootloader instead of Windows 7 bootloader with black screen.

Brief description what I did before:

I have tried to install Ubuntu with this way and I lost my Windows 7 bootloader 2 days ago. Then I panicked and removed the partition of Ubuntu in Windows 7 and when I restarted PC it showed black error screen with grubrescue command line. I inserted Windows 7 installation disk and restored Windows 7 bootloader from command line with bootrec command.

What I want to do now:

Now I want to install Ubuntu 14.04.1 and also to have Windows 7 bootloader with two OS options: Windows 7 and Ubuntu. What I should do?

Thanks!

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up vote 4 down vote accepted

On installation, choose the Soomething else option to open the advanced partitioning tool.

Make a separate partition for /boot (500 MB in size is enough):

boot partition

and another one for root:

Ubuntu partition

You can make a separate partition for /home for your data and settings and also one for swap if you want to use hibernation on Ubuntu.

Before continuing to install, you must choose the boot partition as the bootloader. On the screenshot below it's on /dev/sda5.

bootloader

After the installation got completed you won't see Ubuntu on the Windows bootloader and your Winodws will boot as usual. Then, you can use EasyBCD grub editor on Windows to add Ubuntu to its bootloader.

EasyBCD

Read more detailed procedure on how to dual-boot Ubuntu and Windows.

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so, I have to install Ubuntu to separate partition, for example, /dev/sda6, and then I need to use EasyBCD on Windows to repair bootloader? – Ziyaddin Sadigov Dec 15 '14 at 17:18
1  
You must have at least 2 partitions for Ubuntu, one as root for / and another for /boot and if your /boot partition is on, for example, /dev/sda6 you have to select it for Uuntu bootloader from drop-down on installation. I'll try to edit my answer in order to add more details. – AliNa Dec 16 '14 at 0:17
    
Oh okay, it's clear now! Thank you! – Ziyaddin Sadigov Dec 16 '14 at 12:15
up vote 0 down vote

Try this: https://www.youtube.com/watch?v=GVppdkOThCs

It is an easy way to boot Ubuntu on an existing windows computer, to try, and very easy to remove it if you don't like it after trying it.

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Unfortunately, Wubi Installer is not supported by Ubuntu any more. – Ziyaddin Sadigov Dec 15 '14 at 17:17

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