Ubuntu installation alongside Windows has always been relatively easy to do, however, the new computers with Windows 8 have new safety and protection mechanisms and new Bios (UEFI), that make this process a little harder.

This post will guide you through the necessary steps to achieve a successful Ubuntu installation, alongside Windows 8.

Be aware that dealing with partitions is a risky job if you don't know what you're doing. You can do permanent damages and lose data.

Source: here.

Step 1: Windows Backup

Managing disk partitions is always a risky job, therefore it is advised to make a backup of your Windows files. This way, if things go wrong, you still have a last chance of recovery.

In the Windows Start menu type: “Windows 7 File Recovery” and select that option.

For some weird reason, although this is a Windows 8 machine, this tool is still called “Windows 7 File Recovery”.

On the left panel, select “System Repair Disk”.

And then also a “System Image”.

Make sure you complete those actions
<p>If my computer boots directly into ubuntu, can i run the grub repair from there or do i need the Live CD version?</p>
Sure, you can run the grub repair from both ways.
<p>Worked just fine with a new ASUS X200ma with Windows 8.1 and install of Ubuntu 14.04</p>
<p>Great to know! </p><p>By the way awesome picture ahah :P</p>
<p>When I get a new machine, I will try this.</p>
<p>Sure, let us know how it worked out! </p>
<p>At this point should the usb be plugged into my computer?</p>
<p>Yes, UNetbootin will create a live Image in your USB drive.</p>
<p>hi,</p><p>I have a Question..After dual booting with Ubuntu is it still possible to set default boot to windows 8.1....i.e no grub menu to choose b/w ubuntu/Windows. I use Linux occasionally. thanks.</p>
<p>You can always use the grub menu but keeping Windows 8.1 as a default option. That can be done with Grub customizer.</p>
<p>Hey Gourav, did you get your answer? I am looking for the same thing. Let me know if you know how to do it.</p>
<p>If you install Ubuntu first, and THEN Windows 8.1 your prioritized boot option will load first. If you wish to load the other operating system you'd have to enter your BIOS upon restart and change the boot order manually - be sure to change it back the next time you restart if you wish to use our preferred OS again. </p>
I shrink about 20gb of c drive but in Ubuntu installer the shrink space is showing as unusable space what should I do now? Also can you Tell me the partition size to install Ubuntu in 20gb
<p>That's strange. Try reusing that space in Windows and then shrinking it again. Well there is no particular size, but personaly I usually use around 15 GB.</p>
<p>hi,</p><p>if i installing the softwares in ubunthu, which partition is ues for the installation? please replay</p>
<p>It depends on what you're installing and how you want to organize your data.</p>
u mean also ignore every thing is in spanish as well?
Sorry but the system was in Portuguese.

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