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

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138 views

GRUB doesn't load with Ubuntu on mSATA, Win7 on SATA

I've had Win7 installed on my 2.5" SSD for a few months. The computer also has a mSATA slot which I've now packed with a 16GB SSD. I've installed Ubuntu onto the mSATA disk from USB which went fine ...
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110 views

Installed 12.04 / Windows XP Will no Longer Boot

Installed 12.04, can no longer boot XP. It is available as a bootable OS in GRUB, as soon as it is selected it returns to the GRUB selection screen. boot-repair did not work. I'm a noob, so I probably ...
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95 views

Samsung recovery solution corrupted

After I installed Ubuntu 12.04 LTS in my samsung laptop with windows 7 pre installed, I cant access my samsung recovery solution, I need to factory reset my windows 7. Any help?
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445 views

No dual boot menu after Ubuntu 12.04 installation

I installed Ubuntu 12.04 as a dual boot with Windows 8, and it boots me to Ubuntu directly without showing any boot menu. I tried to repair it using rEFInd, but rEFInd failed to install. Here is my ...
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0answers
75 views

Windows won't boot after using chown on windows partition

I was following this: Mount NTFS partition at startup, with non-root user as owner to be able to use permissions with my NTFS partitions without having to change owner to "root". I did what the ...
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0answers
130 views

GRUB2 USB command return empty list

i have a brand new HP ProBook 4540s, installed windows8 then ubuntu 13.04 so GRUB2 is installed to my HDD successfully each of the OSs loads correctly. now i'm trying a small experiment the goal is ...
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71 views

12.10 not booting from grub line but will boot to generic version

I am new to Ubuntu and installed it as a method to access the internet while I attempted to repair my internet connection for Windows XP SP3. Dual boot for both Ubuntu and XP worked great. Failing to ...
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167 views

grub2 C/H/S value error on Laptop Second hard drive (ODD)

I was living happily with my one hard drive in laptop then I installed a SSD as my first (hd0) then installed the old drive in laptop's second hard drive caddy in CD/DVD drive bay. now I can't boot ...
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34 views

No sign of a dual boot after installation

I tried to install Ubuntu 13.04 alongside Windows 7..everything went well, and it said that I had to restart the system. I restarted & took out the USB, but it booted directly to Windows 7. I ...
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410 views

Boot issues after attempting dual-boot setup with Windows 8

(I did quite a bit of messing around before asking for help, which in retrospect was a mistake, so the BootInfo might be more useful than my retelling of the events: http://paste.ubuntu.com/5659500/) ...
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72 views

Not able to boot after upgrading to 12.10 in Sony laptop

I am using Windows 7 Home basic and Ubuntu 12.04 on my SONY laptop, Ubuntu is default boot OS, today upgraded to 12.10, after this not able to boot latest version of Ubuntu and previous versions also. ...
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192 views

trying to dual boot Win 8 and Ubuntu 12.10

I have been trying to install Windows 8 and Ubuntu 12.10 ( 64 Bit ) on a Lenovo twist notebook. I have now installed Windows 8 ( with UEFI, secure boot disabled ) and I am following the instructions ...
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272 views

How do I dual boot OS X and Ubuntu using an external DVD or USB?

I've installed rEFInd and it works. I've allocated free space on my internal harddrive. I've burned an Ubuntu 13.04 DVD and I'm using an external DVD drive. rEFInd recognizes the DVD but when I ...
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0answers
201 views

Dual Boot Mac / Ubuntu Mac Single User Mode?

I have a MacBook Air running Mac Mountain Lion on one partition, and Ubuntu 12.10 on the other. Whenever it takes me to the ubuntu startup option of: Ubuntu More Ubuntu Details Mac 32-bit Mac ...
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0answers
64 views

Installing Ubuntu on a computer with two hardrives

I am trying to install Ubuntu on a desktop computer with two hard drives. The first hard drive, has all the main Windows XP files while the second is data storage. When running the Ubuntu live usb, ...
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0answers
130 views

Replace ubuntu boot menu (iMac)

I have a 21.5" iMac (Intel based), and I recently installed Ubuntu on a 90GB partition. After I installed Ubuntu, I noticed that whenever i boot my machine I get GRUB where I can select my OS (Mac or ...
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0answers
138 views

Can't boot Windows 7 after installing Ubuntu 12.04

I installed Ubuntu 12.04 64 bit yesterday and now I can't boot my Windows 7. What can I do now ?
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0answers
252 views

How to get windows 7 and ubuntu 12.10 to boot on my macbook pro

I have a macbook pro retina and I have apple, refit, windows 7 and ubuntu 12.10 installed. When I first installed Ubuntu I got the error missing operating system. But windows 7 and mac was ...
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0answers
267 views

initramfs prompt after boot after using Windows installer and receiving NTFS error

I used 'Windows installer" for ubuntu 12.04 TLS. All went well and it asked me to reboot. Once rebooted, I received some NTFS error in flash and it goes to 'initramfs' boot prompt with a lot of help ...
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107 views

“Missing Operating System” - Dual boot, 12.10 on MacBookPro4,1

I followed these instructions for installing Ubuntu Dual-Boot with OSX Lion, but when I finished and restarted it said "Missing Operating System". I restarted a few more times and I got the same ...
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0answers
412 views

How to boot LiveCD from grub shell

I had dualboot on my netbook Acer Aspire One P531h - Ubuntu and Windows XP. Ubuntu was there just for a temporary work so I needed to remove the partition today. I have used ms-sys from Ubuntu so I ...
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0answers
165 views

How can I repair the GRUB using Windows 8?

I am running on a HP Envy DV6 laptop with an AMD A8. It has windows 8. I installed Ubuntu from a LiveUSB that I created, but it wont give me the option to boot into it. I disabled secureboot and ...
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0answers
608 views

Dual booting Ubuntu with windows 8 on machine with SATA ssd cache controller ( DELL XPS )

System info: Dell XPS 8500 SE with 2TB HD and 32GB SSD SATA RAID cache I have been at this project for a couple days now and have hit a brick wall on researching the issue. I can't find an instance ...
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2k views

Boot Ubuntu From MSATA SSD

I have an HP Envy Ultrabook 4-1030us, which I have a 250GB 2.5" SSD and a 32 GB MSATA SSD which was originally used for the Intel RST which obviously isn't necessary because I installed an SSD. But ...
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0answers
2k views

Dual-booting Lubuntu with Windows 8

I've got an older laptop (HP G62) that has Windows 8 as it's primary OS and I want to dual-boot it with Lubuntu. It does NOT come with Secure boot nor does it come with UEFI. I've been looking at ...
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0answers
895 views

Boot issues with Windows 8 and Ubuntu 12.10 - BIOS Setup lost!

I got a new laptop (a Vaio S series) which came with Windows 8. I wanted to install Ubuntu 12.10 alongside Windows, so I used a Ubuntu CD, booted from it and installed Ubuntu. Installation finished ...
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0answers
79 views

Issues with installing Ubuntu next to Windows 8

I've tried installing Ubuntu 12.10 via Wubi on my Windows 8 computer. The computer used to have Windows 7, but I upgraded it and made a clean install. Now when I choose Ubuntu in the Windows boot ...
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0answers
220 views

windows 8 wont boot after ubuntu 12.10 installation even after boot repair

I've bought a dell inspiron 660 preinstalled with windows 8. When I install Ubuntu 12.10 and use boot repair I am able to boot into ubuntu but not windows (invalid efi file path) I have tried ...
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255 views

Trying to install ubuntu on mac. Black SCreen of DEATH

There is no purple screen. Straight to black screen with endless blinking cursor. All of the solutions to this black screen suggest that I see a purple screen before this black one. Is there a way ...
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0answers
192 views

Ubuntu won't boot after installed

I installed Ubuntu on my Compaq CQ58 (pre-installed Windows 8) with the UEFI Diabled and with a LiveUSB. I did the partitions on my pc and used 100GB for Ubuntu. Ubuntu installed and said that i had ...
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81 views

“Different filesystems on the same disk” issue on Community Ubuntu Documentation guide

Reading the Partitioning/Home/Moving guide (about to move my /home to a different partition), I came across this notice: If you're moving from Windows and your new home partition is going to be an ...
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54 views

I broke hibernate when I set two distros to use the same swap space

I use Ubuntu as my primary OS, but I have also installed Fedora to see what all the hype is about. I made the stupid decision of making them share swap space, not thinking of the consequences on ...
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2k views

How do I find out on which partition is my Windows?

I have fully functional Windows and Ubuntu that is broken (I accidentaly broke it) and want to do reinstall. With Live-CD, I can see: 3 NTFS partitions, one ext4 and one unknown. How do I find out ...
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0answers
751 views

12.04.02 USB Installer, x86 works, x64 doesn't

so I downloaded both 32-bit and 64-bit flavors of 12.04.2 (MD5 checks out); don't want 12.10 since I prefer LTS. I used Universal USB Installer ...
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0answers
406 views

Ubuntu 12.10 install doesn't detect Windows 7 for dual boot “no operating system found” on primary partition

Installed Windows 7 on a newly assembled PC (yesterday). Runs fine. trying to install Ubuntu 12.10 64bit from DVD but installer does not give me an option to install "alongside" Windows 7. I only get ...
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257 views

How to partition my hard drive to have a Ubuntu 12.10/Windows 8 dual boot with UEFI?

In the "Allocate drive space" step, how should I partition my HDD? I want to keep my current Windows 8 installation. link to the image Do I need to create another EFI partition? I'm thinking in ...
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0answers
27 views

No windows boot launcher when startup

http://www.ubuntu.com/download/help/install-ubuntu-with-windows The last step says I have the option to pick Ubuntu or Windows as my OS When I start my computer up, I goes straight to Ubuntu. I think ...
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0answers
68 views

Computer wont boot

My computer was a Windows 8 based PC. I downloaded Ubuntu 12 10 and tried a dual boot. Whenever I selected Ubuntu, it would stay on for a couple of minutes and then power off. I tried to set the ...
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0answers
169 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 ...
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0answers
238 views

Cannot install Ubuntu 12.10 (stuck on black screen with a lot of text)

I have a HP Pavilion g7 1303 which has Ubuntu 12.04.1 and Windows 8 currently installed (both are x64). I decided to get Ubuntu 12.10 (not upgrade, new install). I downloaded the .iso and used the ...
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0answers
642 views

Unable to try/install Ubuntu 12.10 from LiveUSB

I've got a computer that shipped with Windows 8, installed in EFI. I want to install Ubuntu in dual boot, so I have to install it in EFI as well. I disabled the 'Secure boot' in the BIOS. I created a ...
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0answers
106 views

Can't boot Windows 7 after Ubuntu update!

I have Ubuntu 12.04 installed on /dev/sda partitions and Windows 7 on /dev/sdb partitions. In the past I have been able to boot into Windows 7 from /dev/sdb2 or /dev/sdb3. Now I can't anymore. I have ...
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0answers
131 views

Why does booting 12.10 dump me into GRUB?

I used the Ubuntu Windows installer to dual boot Ubuntu 12.10 and my already installed Windows 8. Ubuntu came up after the boot when the process was through with the installation. When I attempt to ...
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0answers
172 views

How to boot Ubuntu-based Distros with Custom Casper Folder Location

I've searched for the last hour or so for this, and haven't had any luck. I've extracted the BackTrack 5 ISO to my usb, and put all the file in the folder "bt5r3-gnome-64". I have already installed ...
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0answers
49 views

Installed Ubuntu on another drive, got rid of the drive, and dual boot screen is still coming up

EDIT: I am not asking how to uninstall Ubuntu. The drive it was installed on is now gone. I did not uninstall it before I pulled it out. On start up the dual boot screen is still showing up and asking ...
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0answers
177 views

Bought a windows8 system from store, installed Ubuntu Windows Installer, but it fails to start

I bought a Windows 8 computer. I then installed Ubuntu-Windows-Installer-12.10. When I boot the system, I see a screen with two options to choose from: Windows8 (which works fine and I can start ...
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0answers
429 views

Move Grub Boot loader into another partition

I am dual booting mac OS X with Ubuntu 64-bit and using the alternative install, when I got to the Grub boot loader I acidently selected the wrong partition to install, I installed the GRUB on the MAC ...
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117 views

Booting from wrong HD. New Ubuntu and Grub install with dual boot with windows xp

I have x2 HD's, HD 1 with partitions for WIN XP and UBUNTU and an additional 2 partitions. I installed WIN XP, followed by UBUNTU (from CD) onto HD 1. I can boot up (into either UBUNTU or WINXP) but ...
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0answers
110 views

“operation is not supported” when creating a bootable USB on MAC

The command I'm using is: sudo dd if=/Users/Ben/Desktop/ubuntu-12.10-desktop-i386.dmg of=/dev/disk2 bs=1m It then says that the operation is not supported.
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216 views

Laptop shuts down when press install now on installation of Ubuntu

I'm trying to install Ubuntu 12.04 on my laptop along with Windows (32-bit, off a bootable USB). When I click "Continue" to install alongside of 7, the laptop shuts down and then boots back into ...