For questions regarding the installation of two or more operating systems on a single computer.

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259
votes
8answers
775k views

Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported)

I bought a computer with Windows 8 Pre-Installed, but I didn't like Windows 8, so I decided to install Ubuntu as a second operating system. I'm absolutely new to Linux. I have been using Windows for ...
110
votes
9answers
150k views

How can I repair grub? (How to get Ubuntu back after installing Windows?)

I installed Windows 7, which ate Ubuntu's boot file. When starting up the computer, it now goes straight to Windows, without giving me the option of booting Ubuntu. How can I get Ubuntu back?
58
votes
15answers
147k views

How can I install Windows after I've installed Ubuntu?

I have Ubuntu on my laptop. Now I want install Windows 7 in a dual-boot. How can I do this? I can't lose my Ubuntu files, and I'm afraid that I might break GRUB.
53
votes
4answers
31k views

Clock time is off on dual boot

Dual boot system Windows XP Pro and Ubuntu 12.04. I have the bios set for the correct time and Ubuntu set for US Eastern time. Ubuntu will boot up and the time will be off by -4 hours. If I correct ...
49
votes
7answers
58k views

How to automount NTFS partitions ?

I have two NTFS partitions, and I don't want to mount them everytime I start Ubuntu. How can I do this ? Is there a tool or a code to use? If so, is it safe to automount? specially when they are ...
43
votes
1answer
54k views

Dual boot Surface Pro with Ubuntu?

How could I setup a dual boot for Ubuntu and Windows 8 on my Microsoft Surface Pro with 128 GB. Note: My dual boot solution is below.
35
votes
1answer
21k views

How do I set up a dual boot with Windows and Ubuntu?

I currently have Windows 7 on my computer and I want to install Ubuntu alongside Windows safely. Could someone please provide a good tutorial? Thanks!
26
votes
6answers
24k views

Automatically mount NTFS drive when I login

I use Ubuntu 11.10 and Windows7 dual boot with Ubuntu as my primary OS. Every time I need to access a document I need to mount the respective drive, though this is not at all tiresome, still, is ...
23
votes
2answers
18k views

How to get grub2 to remember last choice?

Grub2 - Community Ubuntu Documentation says the following: Saving an OS can be achieved by running sudo grub-set-default if DEFAULT=saved is set in /etc/default/grub. It may also be saved if ...
19
votes
7answers
48k views

Grub does not show a Windows 8 option after dual boot

So, I've successfully dual-booted my Windows 8 machine with Ubuntu 12.04 . However, I still don't have a convenient method of choosing what OS to load at boot time. After installing Ubuntu, my ...
19
votes
4answers
104k views

Grub rescue - error: unknown filesystem

I have a multiboot system set up. The system has three drives. Multiboot is configured with Windows XP, Windows 7, and Ubuntu - all on the first drive. I had a lot of unpartitioned space left on the ...
18
votes
6answers
20k views

A common /home partition for multiple Linux distributions

I have an Ubuntu installed in one partition, Debian on the other and now I am planning to install backtrack and SUSE also. Debian mounts a separate partition as its home mount point, whereas Ubuntu ...
10
votes
1answer
37k views

Where to install bootloader when installing Ubuntu as secondary OS?

I'm trying to install Ubuntu as secondary OS on my laptop. I have Windows 8 already installed on my laptop. Now, I know how to run Ubuntu from USB drive, I created addition partition and formatted it ...
4
votes
1answer
59 views

Upgrading Ubuntu without touching the MBR

TL;DR: Is there a way of doing a do-release-upgrade and being sure that it won't touch the MBR? Background: I have Windows 7 and Ubuntu on my laptop. I have Truecrypt's bootloader in the MBR as I ...
2
votes
2answers
166 views

Swap Space Allocation Problem

I have a single 160 GB physical hard drive. I have Windows 8.1 installed on 100 GB (Local Disk C:). I left the remaining 60 GB as unallocated space for Ubuntu installation. Now, the problem is that ...
2
votes
1answer
830 views

First Boot Not Happening [ 7.471657] Adding 4041724k swap on /dev/sda7 Priority :-1 extents: 1 across :4041724k FS

I have been trying to get Ubuntu up and running in dual boot, this is the first time I have tried to install linux. Everything was going well with the install, the progress bar had reached the end of ...
2
votes
1answer
14 views

Bios won't accept boot from usb

I have a x64 tablet running win 8.1. I am trying to install different Linux distro's. Unfortunately I am having trouble booting up from live usb. I got all set up in bios, turned off secure boot, ...
2
votes
1answer
35 views

Boot Windows 7 from separate drive

I have been running Ubuntu 14.04 on my desktop for a year now. Today, I got Windows 7 and installed it on a separate drive with the Ubuntu drive removed. Now I can boot each OS by interrupting the ...
2
votes
5answers
31k views

Asus X202e VivoBook, dual boot. How to get around UEFI and have Win8 & Ubuntu?

I've gotten my hands on an Asus Vivobook X202e. I like it, handy to use, small, etc etc. Oh, it's the i3 core version. For school I still need Windows * sigh * for the .NET development. (I know, ...
1
vote
1answer
35 views

1 MB “free space” partition is an EFI partition?

My computer already has two pre-installed OSes: Windows 7 and a customized Linux distro. Both are in UEFI mode. GRUB is already installed too. I'm trying to install Kubuntu 14.10 alongside these two ...
1
vote
2answers
368 views

Trying to dual boot Ubuntu 14.10 with Windows 10, last one not detected (semi-solved)

I have a laptop, and I'm going to install Ubuntu (I have experience, and I have successfully installed Arch Linux, Ubuntu, Fedora, Debian, Xubuntu, Kubuntu, Manjaro Linux, etc.), but installing ...
1
vote
0answers
7 views

Ubuntu dual boot Yosemite issues

I'm running a dual boot (mac os/ubuntu-12.04) on my mac book pro. Yesterday I upgraded to Yosemite and the boot loader went to pot. I used rEFInd to reinstall using the following ...
1
vote
0answers
9 views

Dual boot Windows 8.1 + Ubuntu 14.04 - Cannot connect to my wi-fi on ubuntu

just yesterday I installed a copy of Ubuntu 14.04 alongside my Windows 8.1. I was at my relative's house yesterday, and the Wi-Fi there worked on both Windows and Ubuntu. Now I'm home and I cannot ...
1
vote
0answers
11 views

Lubuntu hangs on “Preparing to install Lubuntu”

To give some background details, my computer runs 64-bit, I'm installing Lubuntu alongside Windows 8.1. I can sucessfully boot into Lubuntu's CD, and I reach the requirements to install Lubuntu, and I ...
1
vote
1answer
16 views

Chown-ed windows partition

I need some help, if you could have a look. I have a laptop dualbooting Windows 8.1 and Ubuntu 14.04. I was trying to share some files on my home network, both from my external hard drive, and from ...
1
vote
1answer
21 views

Regarding reboot problem

I have been installing Ubuntu 14.04 along with Windows 8.1. after completion of whole the process of installation, I was not able to find "dual os selection" dialog. Every time it show normal booting ...
1
vote
0answers
31 views

Asus x200ma dual boot windows 8.1 and elementary OS. UEFI

I just downloaded Elementary OS Luna on a flash drive and booted it in windows using this tutorial https://m.youtube.com/watch?v=46FtBpv6Bjk . I made a 20 GB recovery for windows. A 4GB swap partition ...
1
vote
1answer
23 views

Ubuntu not booting on SSD

I have an SSD which I installed both Windows 7 and Ubuntu 14.04.1. When I installed Ubuntu I allocated 500 MB to /boot and the rest of the Ubuntu partition to /. The installation completed and now ...
1
vote
0answers
105 views

Ubuntu not booting any more after a clean windows 7 shutdown

I had installed Ubuntu 12.04 from Windows 7 using wubi.exe. For more than 8 months It was running fine. Today I booted into windows 7 then I shut it down properly and tried to boot Ubuntu. I started ...
1
vote
1answer
961 views

i cant boot into lubuntu grub wont show up

I have recently installed Lubuntu as a dual boot system with windows 8 and now it just default boots to windows. Ive tried holding shift but nothing happens. If I hold esc I can go to the boot menu ...
0
votes
2answers
2k views

Install 12.10 on Macbook 6,1

I want to install Ubuntu 12.10 besides MacOSX 10.6 on my Macbook 6,1. I found some instructions like here: https://help.ubuntu.com/community/MacBook/TripleBoot But these are pretty old and I'm not ...
0
votes
1answer
40 views

Windows 7 Pro/Ubuntu 14.04.1 installation issues

I wonder if someone can help me figure out why I can't set up a Windows 7 laptop for dual boot with Ubuntu 14.04.1 LTS? I have been trying for a couple of weeks now. The problem is seems to be that ...
0
votes
4answers
31 views

windows option missing after installing ubuntu

I am completely new to Linux and Ubuntu. I have a HP Envy laptop with pre-installed windows 8.1 I have created a Ubuntu bootable usb drive and installed Ubuntu successfully. After installation, I am ...
0
votes
1answer
1k views

How to Install Ubuntu 14.10 alongside Windows 8.1 in Sony Vaio Laptop?

I was using Ubuntu for the past 7 years in my desktop computer.And now I got a new Sony Vaio Laptop.But still now I love to use Ubuntu. I've downloaded Ubuntu 14.10 64 bit version to install in my ...
0
votes
3answers
2k views

How do I boot Ubuntu from my usb flash drive?

I have been using Windows 7 Home Basic for years, and now I'm bored and my PC is getting slower by the day. So I decided to try Ubuntu. I formatted an 8GB Transcend USB Flash drive and put Ubuntu in ...
0
votes
0answers
15 views

Not given Windows Boot Manager option

Hello I have a minor problem that I cannot find a fix for. I have Windows 7 and Ubuntu on two separate hard drives with no problem running with an extra Hard drive for storing. The problem is that on ...
0
votes
1answer
19 views

Is it usable to install ubuntu over laptop Dell Latitude E5420 already installed with Windows 8.1? [duplicate]

I am using Windows 8.1 on Dell Latitude E5420 and I am interested to give a try to Ubuntu. So to use Ubuntu efficiently, whether would I need to remove Windows and then install Ubuntu or can install ...
0
votes
1answer
24 views

GParted - Recursive partition on /dev/sda

I am kind of a noob at Ubuntu/Linux, so please forgive any of my mistakes. So I have an old Dell Dimension 2400 which dual boots Windows 7 and Xubuntu. It used to have a partition for Ubuntu 13.10 ...
0
votes
1answer
40 views

Adding Win7 to Ubuntu through Ubuntu dual booting

I really need some step by step help here. I know I need to change the partitions of ubuntu to add my win7 boot up here. However, I have not been able to get this to work right. Problematic in that ...
0
votes
0answers
39 views

Boot repair - no luck

I was trying to Install Ubuntu 14.04 In Dual Boot Mode With Windows 8.1 UEFI in my new Acer laptop. The installation of Ubuntu was finished successfully. But when I rebooted (with secure boot ...
0
votes
1answer
51 views

Bootloading window7 problem

Whenever I try to load from Ubuntu 14.04 boot loader to windows 7, I select windows7 but it does not start. please help. thank
0
votes
0answers
26 views

Ubuntu Windows 8 Bootloader Not working [duplicate]

I have another to add to the list of Ubuntu/Windows 8 bootloader problems. I installed Ubuntu, but the computer continually loaded Windows 8 without giving me the GRUB menu option to choose between ...
0
votes
0answers
173 views

How to boot Ubuntu from an external disk in a macbook?

I want to install Ubuntu to an external hard disc from my macbook pro 13.3 2012! I have try to and although the installation complete normal. Then when I go to boot from the external disc it doesn't ...
0
votes
1answer
4k views

Wubildr.mbr is missing or corrupted

I just installed Ubuntu using WUBI. I followed this tutorial and when I select Ubuntu from Windows boot loader, it says wubildr.mbr is missing or corrupted. Then Windows boot manager appears again. ...
0
votes
4answers
7k views

Ubuntu 12.10 installer doesn't recognise Windows 8 partition on Toshiba C850 Laptop

I purchased a Toshiba C850 Laptop and I'm trying to install the 64 Bit version of Ubuntu 12.10 alongside Windows 8, allowing me to dual boot. I burnt a Ubuntu 12.10 DVD, disabled Secure Boot on the ...
-1
votes
0answers
17 views

How to dual boot ubuntu and opensuse?

Currently i am using Ubuntu 14.04. i tried openSUSE-13.2 in virtual box now i want to try dual-boot with ubuntu. I have created 100 GB free partition using gparted so how to dual boot ?
-1
votes
1answer
26 views

How to disable showing my Windows NTFS partion in Ubuntu [duplicate]

i'm dual booting Windows 7 and Ubuntu 14.04 in my laptop and i allocate 4 NTFS partition for Windows and one Ext4 partition for Ubuntu, when Ubuntu start it show all of my NTFS partition as devices, i ...
-1
votes
0answers
18 views

Accessing Windows 8 Hibernated Partition over Ubuntu

I installed Ubuntu alongside Windows-8. Ubuntu works well. Windows-8 is unaccessible because of MBR error. Then, i logged in to Ubuntu and tried to access windows partition (under C:, all of my ...
-1
votes
1answer
23 views

How do I get clean boot after fresh side by side install? [duplicate]

I was running Windows 7 Pro (32 bit) OS on my Dell Dimension 9100. I attempted to load (side by side) Ubuntu 14.04.1 desktop. The install appeared to work properly into a 19 GB partition. When ...
-1
votes
1answer
3k views

Black screen with blinking cursor after dual boot install 14.04

I have just installed Ubuntu 14.04 on my toshiba laptop along side Windows 7. When the menu comes up to choose which OS to boot into, I can easily boot into Windows 7. I cannot successfully boot into ...