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

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1answer
3k views

Dual boot Win8.1 and Ubuntu on Lenovo PC's in UEFI mode

First my compliments for this post: Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported) It explains the dual boot installation very well. The post also says that ...
1
vote
3answers
148 views

If I boot Ubuntu, restart and then Boot Windows, it will give an error in the boot loader

I have Windows 8 and Ubuntu 14.10 in my laptop. If I boot into Ubuntu and then reboot and try to boot into Windows 8, in the Windows 8 boot screen (With a light blue background) I will get an error ...
0
votes
3answers
7k views

Installing Ubuntu 15.04 along side Windows 8.1

I have a 120 GB SSD in my laptop, and it runs windows 8.1 (not preinstalled). I have countless times dual or triple-booted the laptop when I ran Windows 7. Now I want to dual-boot it with Win 8.1 and ...
0
votes
1answer
189 views

How to Dual Boot Windows 10 and Ubuntu 16 off an External Drive

I made an external drive that can dual boot Windows 10 and Ubuntu 16, along with being able to boot live ISOs. This will be attempted using both graphic interfaces and command lines. Objectives: ...
8
votes
0answers
1k views

How to migrate from Wubi to a regular installation? [duplicate]

Possible Duplicate: How to convert Wubi install into regular install? I recently installed Ubuntu through Wubi and I love it enough that I am ready to ditch Windows! My set up is like this: ...
7
votes
6answers
8k views

Partitions. is it safe to move partition containing /boot?

I am running dualboot (Windows 7 and Ubuntu 12.04) and I would like to make more space for my Ubuntu partition. I am doing it from a live cd through gparted. I was about to resize my windows ...
7
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4answers
3k views

Make bootable Win8 USB on and for Ubuntu MacBook

(Some time ago, I bought a new HDD for my MacBook 2,1. I put it in and installed Ubuntu on it, using a CD. Everything went fine, didn't have to setup any special Apple stuff, didn't need to bless my ...
6
votes
3answers
13k views

How to dual-boot Ubuntu + Windows 8 on a Samsung Series 9 laptop?

I have a Samsung Np900X4C which came with Windows 8 installed. My goal is to have a dual-boot setup. I followed pretty much the answer at Samsung series 9 np900x4c-a03us Dual boot windows 7, namely: ...
5
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3answers
15k views

GRUB / os-prober doesn't see Windows 8.1 partition

I have a 1 TB HDD with seven partitions, one ~600GB for Windows and one ~300GB for Xubuntu and a bunch of assorted system partitions taking the rest of the space. I recently overwrote my Xubuntu ...
5
votes
2answers
5k views

Dual Booting Pre-installed Windows 8

I've recently purchased a Lenovo T430, and sadly when configuring it, I forgot all about the Linux UEFI Fiasco, and kept the default option of pre-installing Windows 8. I'm able to disable secure-...
5
votes
5answers
11k views

How to share partition between Windows and Ubuntu?

I'm getting a PC with Windows and I want to dual boot using Ubuntu as my primary OS. I want to create a Home partition to store all my files and hopefully be able to access them on Windows 7 without ...
4
votes
2answers
7k views

Error mounting: mount exited with exit code 13

I keep a windows partition on my laptop for the occaisional bit of Photoshop work. A while ago I noticed that Windows had disappeared from my grub boot menu and when I try to mount the windows partion,...
4
votes
1answer
892 views

Internet is slow & intermittent

Something kinda weird happened to me today. I've been using Ubuntu for month on my computer without any issue but today I decided to install Windows 7 on dual boot so that my GF can use Photoshop... ...
4
votes
2answers
9k views

How to fix “doesn't look like an EFI partition” with WinUSB?

Using WinUSB I get this error. I would appreciate any help as I'm trying to put Windows back on computer to please th' wifey, then dual boot so i can still use Ubuntu. Installation failed ! Exit code:...
4
votes
3answers
24k views

Ubuntu does not recognize existing Windows partitions in a GPT disk

I just built a new computer and installed a clean copy of Windows 7 Home Premium (64-bit) on it. Other than verifying that the Windows install completed successfully, I have done absolutely nothing ...
4
votes
1answer
11k views

Installing Windows 8.1 after Ubuntu 14.04 [duplicate]

So I'm new to Ubuntu and I want to dual boot it with Windows 8.1 and so first I installed my Ubuntu in my laptop and it is installed successfully(I think) so it's working well now I have my Windows 8....
4
votes
1answer
1k views

Advanced partition plan for triple boot Windows, Ubuntu, Arch

Currently I am running a Windows 7 / Ubuntu12.04 dual boot. But I would like to add some other linux distros like Arch and Slackware. Windows will be used only for gaming Ubuntu is for productivity ...
3
votes
2answers
3k views

Dual boot EFI error: “invalid arch independent ELF magic”

After installing Ubuntu 11.10 on a pc which already has Windows 7 I get this error: error: invalid arch independent ELF magic. grub rescue> So I used Supergrub boot disk to get into Ubuntu. And ...
3
votes
3answers
8k views

Dual booting on separate hard drives

I have windows XP professional installed on 1 hard drive and Ubuntu 10.10 on my second hard drive. On start up the computer completely skips the grub menu and boots straight into 10.10. I have tried ...
3
votes
2answers
5k views

How to enable hiding grub menu on a dual-boot system?

With GRUB 2, you seem to be able to hide the startup menu (unless someone presses a certain button). But unfortunately grub disables this for multi-OS systems, I've looked up a few other pages. But ...
3
votes
3answers
11k views

How to diagnose and fix Kernel Panic Fatal Machine Check error?

I have got a new Samsung Series 7 laptop with dual boot setup for Windows 8 and Ubuntu 12.10. A fine machine comparable to a Macbook Pro. The Ubuntu installation was quite a hassle, but with the help ...
3
votes
3answers
7k views

Install grub2 to usb-drive in order to boot to hdd-installed Ubuntu 13.04 x64 in UEFI mode

I've been trying to find a way to install grub2 to a usb drive, in such a way that I can boot a PC in UEFI mode into Ubuntu, without modifying the UEFI firmware settings in any way or replacing the ...
3
votes
1answer
6k views

What location to put bootloader, when running multiple drives and partition

I have Win8 on my desktop, where a 120G SSD is used to run windows and some select applications, while I have a 2TB HDD to provide basic file storage and where possible, install applications instead ...
3
votes
2answers
164 views

Windows 7 cannot start

I had recent problems installing Ubuntu in my pc, sharing the disk with Windows 7. Mouse and keyboard weren´t recognized during the installation in 64 bit. I partially solved the problem when I found ...
3
votes
1answer
736 views

bios_grub partition in the way of resizing Ubuntu partition

I tried to grow the ext4 partition by shrinking sda4 and then adding the unallocated partition to the ext4 partition, where Ubuntu lives. The selected partition, sda6 (see image), contains the ...
3
votes
2answers
1k views

Once ubuntu is installed, can I still update other operating systems?

Right now, I am a newbie almost ready to install ubuntu alongside windows 8 on my laptop soon, and have gone through most of the things I need to plan. Lately, I noticed that Microsoft is preparing ...
3
votes
3answers
5k views

How do I dual-boot with Debian?

I want to install Debian Unstable alongside Maverick but I don't want to lose my data. Also my CD drive is Broken.
3
votes
1answer
5k views

GNU GRUB, Minimal BASH-like line editing screen displays before the usual GRUB screen when dual-booting Ubuntu 14 and Windows 8.1

I have read a couple of posts similar to this issue, but it seems many of them could not boot to Ubuntu after getting this screen due to a bad boot manager. It does not seem this is the case for this ...
3
votes
3answers
2k views

Windows 7 does not boot correctly on a triple boot system with Windows 8(Consumer Preview), Windows 7 and Ubuntu

Currently on my laptop I have Win7, Win8(Consumer Preview), and Ubuntu 12.04. I am having a problem booting Win7 When I boot the computer the first screen I get is the GRUB boot manager screen which ...
3
votes
1answer
3k views

Where to install bootloader when installing a second Linux OS?

I want to try Bodhi Linux (which is very close to Ubuntu) beside the already installed Lubuntu Quantual (which was in a dual boot with WinXP). So, I want a 3-boot: to chose between these three at boot....
3
votes
1answer
2k views

“BAD idea” warning when trying to recover Grub, after Windows removed it

Tried sudo grub-install on sda1 but it complained about being a BAD IDEA. I had to install windows for a work related issue so I used a separate disk (I had used it for ubuntu on this computer, but ...
2
votes
6answers
3k views

New 12.10 Install, Windows Not in Boot Menu

I just installed Ubuntu 12.10 on my new computer alongside my previous Windows 7 installation. Upon booting for the first time (post install) my boot menu only lists Ubuntu. I installed using a ...
2
votes
3answers
1k views

Vista missing from grub bootlist after installing ubuntu

I installed Ubuntu on a logical partition a while ago. When I get to the grub bootlist, Vista is not there. What i get is this: Ubuntu, with linux 2.6.32-26 Ubuntu, with linux 2.6.32-26 (Recovery ...
2
votes
1answer
7k views

Can I Install Ubuntu on a older laptop with a intel pentium processor (which doesn't have pae)?

I currently have Ubuntu 11.10, and I finally decided to upgrade. So I downloaded the .iso file from the site (Ubuntu 13.04, 32 bit), and put it on a 2gb thumb drive. I booted from the thumb drive, and ...
2
votes
1answer
223 views

Installer does not see windows trying to dual boot.

I am trying to install Ubuntu alongside windows. What I boot off the install media and run the installer I get to the patition selection window and it tells me that there are no other operating ...
2
votes
7answers
15k views

Dual boot Installation of Ubuntu 12.04 LTS on HP Ultrabook ENVY-4 1002TX

I have purchased a HP Ultrabook ENVY-4 1002TX with 500GB HDD +32GB SSD. It came preinstalled with Windows 7. I tried installing Ubuntu 12.04 through a USB stick. It boots up ok, but during ...
2
votes
2answers
2k views

dual boot: Windows 8 session lost after Hibernate/Sleep

The problem I'm experiencing is losing the Windows 8 session after sleep/hibernate. When resuming the session I would expect to load directly into Windows, however the GRUB bootloader displays. At ...
2
votes
1answer
5k views

How to boot multiple OS from one external hard drive?

I have a Western Digital external hard drive that has plenty of space for more than one OS. I currently have three partitions one 250 GB for backups one 100 GB with Ubuntu and 500 GB or so ...
2
votes
1answer
6k views

Samsung series 9 np900x4c-a03us Dual boot windows 7

how do i get USB install of 12.04 installed? how do i change the BIOS? how do i partition the disk for dual boot? Web instructions for USB ISO bootable image were confusing. Series 9 has new, ...
2
votes
1answer
2k views

Completely messed up grub/efi/gpt dual boot

I seem to have almost entirely screwed up my machine. I was attempting to install an ubuntu liveusb to my external hdd, but in the process I messed up my internal setup. The external one works ;) It'...
2
votes
2answers
281 views

What's the best way to add native-looking links to my NTFS data partition?

I have many documents, backups, movies, photos which I have in a Windows data partition (D: drive) that is on the same box as my Ubuntu installation. I want to be able to use this from Ubuntu, with ...
2
votes
0answers
747 views

Grub-Customizer (How to fix your dual-boot in case you miss the right boot option) [closed]

Have you ever installed Grub-Customizer? Yes, it's a nice tool for rearrange our boot system and gain some extra space in the discs. Very usefull though! But, as i recomende that you install this ...
2
votes
1answer
67 views

Problem cloning root and home before doing an upgrade from Trusty to Utopic

I'm trying to copy root and home to other partitions on my notebook internal drive and then boot from them (root2 and home2). Once it works, it can be an (almost) live backup or I could upgrade from ...
2
votes
2answers
452 views

*Grub* Windows 10 doesn't start anymore

I have a SSD with 2 partitions. The first one belongs to Win10 and it worked fine. I installed Ubuntu 15.10 on the second one and it also works fine. Problem is : When I boot, Grub is correctly ...
2
votes
0answers
51 views

Ubuntu won't boot after booting into Windows 10 once

First I installed Windows 10 on my system. Then I installed Ubuntu. After the installation is complete, I rebooted and grub came up and I booted into Ubuntu without an issue. Next I re-booted and ...
2
votes
1answer
665 views

Ubuntu on Lenovo Y700 (2016)

hello dear ubuntu fans, my passion for gaming made me switch from a macbook to the lenovo y700. i thought i'm going to dual boot the laptop with win10 for gaming and ubuntu for programming. i ...
2
votes
2answers
940 views

No “efi” option during manual disk partitions

I was trying to install kubuntu 15.10 with the official image(downloaded from kubuntu.org) from live-usb, created with usb-creator-kde. The notebook had already installed windows 8 in uefi mode. I ...
2
votes
3answers
192 views

Reduce Grub Menu Items

I have done quite a bit of fiddling and reinstalling of grub. I can get my machine to boot using the first few entries, but I would like to clean up the grub menu. I have tried deleting grub.cfg and ...
2
votes
2answers
3k views

Unable to boot into windows after installing ubuntu 12.04

I have Windows on my machine and then installed Ubuntu 12.04 using USB. I was not getting the option to boot into windows, so I ran boot-repair but still I am not getting option to boot into windows. ...
2
votes
1answer
184 views

How to get Ubuntu installer to sense Windows 8.1 as an OS [duplicate]

When I go to install Ubuntu so I can dual boot Ubuntu with windows 8.1 on my Toshiba Satellite C55 the Ubuntu installer does not sense My pre-installed windows 8. I referred to these guides: UEFI ...