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Guide To Install Ubuntu 14.04 In Dual Boot Mode With Windows 8 Or 8.1 UEFI
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![](http://itsfoss.com/wp-content/uploads/2014/05/Dual_Boot_Windows8_Ubuntu_1404.jpeg)
Previously I had written about [dual booting Ubuntu Linux with Windows 7][1] and 8 previously, But those tutorials did not cover systems that come with Windows 8 pre-installed. The newer systems that come with Windows 8 or Windows 8.1, have UEFI instead of BIOS. This makes thing a little different from the conventional way of dual booting. In this tutorial, we shall see **how to install Ubuntu Linux in dual boot mode with Windows 8 or Windows 8.1**.
This tutorial is performed on a newly bought Dell Inspiron 7437 that has Core i7 fourth generation processor, 256 GB SSD, 8 GB RAM and built in 1 GB Intel graphics. Ill cover all the steps you need to do in order to successfully dual boot Linux with Windows 8 UEFI. If you have already done some of these steps, just skip to the next one. If you have a fresh system, even better.
The steps mentioned here are applicable to other Ubuntu based Linux distributions such as Linux Mint, Elementary OS etc. Cutting the chit-chat, lets see how to dual boot Linux on a UEFI secure boot enabled Windows 8 system.
### Dual boot Ubuntu 14.04 with Windows 8: ###
There are various prerequisites to install Ubuntu on a UEFI system. Lets see them one by one:
#### Step 1: Make a backup [optional] ####
It is always nice to make a back up, just in case if you mess up with the system. There are numerous articles on the web to show you how to backup your system. You can follow this tutorial [here][2].
#### Step 2: Create a live USB/disk of Ubuntu ####
The next thing you need to do is to create a live USB or disk. I recommend [Universal USB Installer][3] to create a live USB of Linux OS in Windows.
#### Step 3: Make a partition where Ubuntu will be installed ####
Assuming tat you have a fresh system, the first thing we need to do is to make partition to install Linux. The 256 GB in my system was already had several partitions from manufacturer but mainly for backup and other purposes. Main partition was C drive, of around 220 GB, where Windows 8.1 was installed.
If you have just one partition like this, you need to make some free space out of it for Linux. If you have several partitions of considerable size, use any of them except C drive because it may erase the data.
To make a partition in Windows 8, go to Disk Management tool. You can find disk management tool by searching for disk in Control Panel.
![](http://itsfoss.com/wp-content/uploads/2014/05/disk_partition.jpeg)
In the Disk Management tool, right click on the drive which you want to partition and select shrink volume. In my case, I shrank the C drive to make some free space:
![](http://itsfoss.com/wp-content/uploads/2014/05/disk_partition_Windows8.jpeg)
You can leave the free space as it is. We shall use it while installing Ubuntu.
#### Step 4: Disable fast startup in Windows [optional] ####
Windows 8 introduced a new feature called “fast startup” for quick boot. While it is not mandatory, it would be better to have it disabled.
Go to **Control Panel > Hardware and Sound > Power Options > System Settings > Choose what the power buttons do** and uncheck the **Turn on fast startup box**.
#### Step 5: Disable secureboot in Windows 8 and 8.1 ####
This is the most important step. The new secure boot feature of Windows 8, originally intended for security feature for rootkit viruses, prevents dual booting of Windows with Linux. To dual boot Windows 8 with Linux, we must disable secure boot in UEFI.
#### Step 6: Installing Ubuntu alongside Windows 8 ####
Once you have disabled secure boot, its time to install Ubuntu. I hope you already created the live USB as mentioned in step 2. Plug in the USB and boot the system from it.
To boot from USB, will have to choose boot from USB option from within Windows itself. Either with PC Setting (like for UEFI) or pressing shift key while clicking on Restart.
Once you have booted in the live USB, you will be presented with option to try or install Ubuntu. Click on install. You will be presented with few screen options to choose the language. It will then do some checks on available space, power and internet connection etc. Just click on **Continue**.
![](http://itsfoss.com/wp-content/uploads/2014/05/Installing_Windows8_Ubuntu.jpeg)
The main screen which you should pay attention to is **Installation Type**. Choose **Something else** here:
![](http://itsfoss.com/wp-content/uploads/2014/05/Installing_Windows8_Ubuntu_1.jpeg)
Remember we had created some free space beforehand? We shall use the free space to create Root, Swap and Home. Select the free space and click on the + sign.
![](http://itsfoss.com/wp-content/uploads/2014/05/Installing_Windows8_Ubuntu_2.jpeg)
It will provide you with option to create Linux partition. We are creating the Root partition. Any thing between 10-20 GB is more than sufficient for it. Choose the size, select Ext 4 as file type and / (means root) as the mount point.
![](http://itsfoss.com/wp-content/uploads/2014/05/Installing_Windows8_Ubuntu_3.png)
Clicking on OK in previous step will bring you to the partition screen. Next we will create swap. Like previously, click on the + sign again. This time use the file type as Swap area. Suggestible swap size is double of RAM.
![](http://itsfoss.com/wp-content/uploads/2014/05/Installing_Windows8_Ubuntu_4.png)
In similar fashion, create a Home partition. Allocate it maximum space (in fact allocate it rest of the free space) because this is where youll save music, pictures and downloaded files.
![](http://itsfoss.com/wp-content/uploads/2014/05/Installing_Windows8_Ubuntu_5.png)
Once you are ready with Root, Swap and Home, click on **Install Now**:
![](http://itsfoss.com/wp-content/uploads/2014/05/Installing_Windows8_Ubuntu_6.jpeg)
Well, you have almost won the battle. You can smell victory now. Next you will be asked to set username password etc. Basically, you just need to click next now.
Once the installation is completed, restart the computer, you should be welcomed by a purple grub screen. Enjoy Ubuntu along with Windows 8 in dual boot mode.
I hope this guide helped you to dual boot Ubuntu with Windows 8 UEFI. Though this article is written for Ubuntu, it should be heloful for other Linux OS as well. Any questions or suggestions are always welcomed.
--------------------------------------------------------------------------------
via: http://itsfoss.com/install-ubuntu-1404-dual-boot-mode-windows-8-81-uefi/
译者:[译者ID](https://github.com/译者ID) 校对:[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译,[Linux中国](http://linux.cn/) 荣誉推出
[1]:http://itsfoss.com/install-ubuntu-dual-boot-mode-windows/
[2]:http://www.makeuseof.com/tag/6-safest-ways-to-backup-restore-your-files-in-windows-7-8/
[3]:http://www.pendrivelinux.com/universal-usb-installer-easy-as-1-2-3/

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第四步中的步骤根据实际情况进行了适当修改Windows操作以及Ubuntu安装过程中的名词根据中文版实际情况进行了修改。第六步中从USB启动的步骤感觉不大对需要确认。第六步第三段实际中选择语言和安装或试用在同一界面选择语言那句翻译需要确认。
在UEFI模式下安装Ubuntu 14.04与Windows 8/8.1双启动
================================================================================
![](http://itsfoss.com/wp-content/uploads/2014/05/Dual_Boot_Windows8_Ubuntu_1404.jpeg)
之前我已经写过关于[如何安装Ubuntu Linux和Windows 7][1]以及8的双启动但是那些教程不包含那些预装Windows 8的系统。那些较新的预装了Windows 8或Windows 8.1的系统使用了UEFI来替代BIOS。这使得安装双启动变得和之前的常规方法有点不同。在这个教程中我们将看到**如何在UEFI模式下安装Ubuntu 14.04与Windows 8/8.1双启动**。
这个教程是在一台新买的戴尔灵越 7437酷睿i7第四代处理器 256GB SSD8GB内存以及内置1GB(共享内存) Intel显卡上演示的。为了使你能够成功安装UEFI下Linux和Windows 8的双启动我会提到你需要做的所有步骤。如果你已经完成这些步骤中的部分步骤直接跳到下一步。如果你有个全新的系统那就更好了。
在这里提到的这些步骤也适用于其它基于Ubuntu的Linux发行版如Linux MintElementary OS等等。不多说让我们来看看如何在启用了UEFI安全启动的Windows 8系统上双启动Linux。
### 让 Ubuntu 14.04 和 Windows 8 双启动: ###
要在一个UEFI系统上安装Ubuntu有多方面的前提条件。让我们来一个一个看
#### 第一步:做个备份 [可选] ####
做个备份总是个不错的选择,防止你把系统弄糟了。网上有众多文章教你如何备份系统。你可以参照[这个教程][2]。
#### 第二步创建一个Ubuntu的USB启动盘/光盘启动盘 ####
你需要做的下一件事是创建一个USB启动盘或光盘启动盘。我推荐在Windows下使用[Universal USB Installer][3]创建一个Linux OS的USB启动盘。
#### 第三步为Ubuntu划分一块安装分区 ####
假设你有一个全新的系统我们要做的第一件事是创建一个分区来安装Linux。我系统中的256GB磁盘出厂时就有若干个分区但主要是用来备份及其它目的的。主分区是安装了Windows 8.1的C盘约有220GB。
如果你也像这样只有一个分区你需要从中分割出一些空间给Linux。如果你有若干空间大小足够的分区可以使用它们中除C盘外的任意盘因为安装时会抹掉其中的数据。
要在Windows 8中创建分区需要使用磁盘管理工具。你可以通过在控制面板中搜索磁盘找到磁盘管理工具。
![](http://itsfoss.com/wp-content/uploads/2014/05/disk_partition.jpeg)
在磁盘管理工具中右键点击你想划分并压缩的卷。在我的演示中我选择C盘进行压缩卷划分出未分配空间
![](http://itsfoss.com/wp-content/uploads/2014/05/disk_partition_Windows8.jpeg)
你可以就这么保留着未分配空间。我们会在安装Ubuntu时用到它。
#### 第四步在Windows中禁用快速启动 [可选] ####
为了实现快速启动Windows 8引进了叫做“快速启动”的新特性。尽管不是强制要求最好还是将其禁用。
打开**控制面板 > 硬件与声音 > 电源选项 > 选择电源按钮的功能 > 更改当前不可用的设置**,取消选中**启用快速启动(推荐)**。
#### 第五步禁用Windows 8 and 8.1的安全启动secure boot ####
这是最重要的步骤。Windows 8新的安全启动secure boot原本是针对rootkit病毒的安全特性但它也阻止了Windows和Linux的双启动。为了实现Windows和Linux的双启动我们必须在UEFI中禁用安全启动secure boot
#### 第六步安装Ubuntu与Windows 8共存 ####
一旦你禁用了安全启动secure boot那就是时候安装Ubuntu了。我希望你像第二步中提到的一样创建了一个USB启动盘。插入U盘然后从U盘启动系统。
要从USB启动需要在Windows中选择从USB启动选项。从电脑设置像UEFI中选择或在点击重新启动的时候按住Shift键。
当你启动到live USB模式后你会看到试用try或者安装installUbuntu。选择语言然后点击安装Ubuntuinstall。接下来是关于硬盘空间电源和网络连接等等的一些检查。只需点击**继续**。
![](http://itsfoss.com/wp-content/uploads/2014/05/Installing_Windows8_Ubuntu.jpeg)
安装窗口中你需要注意的是**安装类型Installation Type**。选择这里的**其它选项Something else**
![](http://itsfoss.com/wp-content/uploads/2014/05/Installing_Windows8_Ubuntu_1.jpeg)
还记得我们事先划分的未分配空间吗我们将用它来创建根分区Root交换空间Swap以及家目录Home。选择空闲free space然后点击加号+)。
![](http://itsfoss.com/wp-content/uploads/2014/05/Installing_Windows8_Ubuntu_2.jpeg)
它会给你提供创建Linux分区的选项。我们正在创建根分区Root。10-20GB空间就足够了。选择大小Size选择Ext 4作为文件系统以及/(意思是根-root作为挂载点Mount point
![](http://itsfoss.com/wp-content/uploads/2014/05/Installing_Windows8_Ubuntu_3.png)
点击确定会回到分区界面。下一步我们创建交换空间Swap。像之前一样再次点击加号+。这次我们选择作为交换空间Swap area。建议的交换空间大小是物理内存的两倍。
![](http://itsfoss.com/wp-content/uploads/2014/05/Installing_Windows8_Ubuntu_4.png)
以同样的方式创建家目录Home。给它分配最大的空间实际上是给它分配剩余的所有空间因为这是你会用来存储音乐图片以及下载的文件的位置。
![](http://itsfoss.com/wp-content/uploads/2014/05/Installing_Windows8_Ubuntu_5.png)
分配好了根分区Root交换空间Swap和家目录Home之后点击**现在安装Install Now**
![](http://itsfoss.com/wp-content/uploads/2014/05/Installing_Windows8_Ubuntu_6.jpeg)
好了,你现在基本上以及赢得了这场战役了~露出胜利的微笑吧~接下来你会被要求设置用户名密码等等。基本上你现在只需点击下一步。
一旦安装完成重新启动电脑你应该会看到紫色的grub欢迎界面。尽情享受Ubuntu和Windows 8的双启动模式吧。译注对于可能出现grub系统选择中没有Windows 8选项或是无法正常启动的情况可搜索Boot Repair工具的使用
我希望这份指南能够帮你实现Ubuntu和Windows 8的UEFI模式双启动。虽然这篇文章是为Ubuntu写的它对其它的Linux OS应该也有所帮助。欢迎提出任何问题与建议。
--------------------------------------------------------------------------------
via: http://itsfoss.com/install-ubuntu-1404-dual-boot-mode-windows-8-81-uefi/
译者:[alim0x](https://github.com/alim0x) 校对:[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译,[Linux中国](http://linux.cn/) 荣誉推出
[1]:http://itsfoss.com/install-ubuntu-dual-boot-mode-windows/
[2]:http://www.makeuseof.com/tag/6-safest-ways-to-backup-restore-your-files-in-windows-7-8/
[3]:http://www.pendrivelinux.com/universal-usb-installer-easy-as-1-2-3/