Dual-boot is the process of having two (or more) operating systems installed on a computer, allowing one to be chosen during the boot process.

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Reinstall corrupted vmlinuz-linux

I'm dual booting Arch Linux and Windows 8.1. I forgot to disable "Fast Startup" on Windows, and it corrupted vmlinuz-linux in the /boot partition. When I try to boot into Arch from Gummiboot, I ...
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Grub Rescue after installing Elementary OS Freya

I used to dual boot windows 10(recently upgraded from windows7) and elementary os luna. Windows is installed on my C drive, and Luna was installed on a partitioned D drive (i splitted 100GB for ...
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Data recovery best approach [duplicate]

My computer is in the process of being dual-booted windows 8.1/Arch. I have two drives: a 120GB SSD and a 2TB HDD. I also have the SSD reserved strictly for Windows, (because of recent mistakes made ...
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2answers
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how to install window 10 with CentOS

I have installed CentOS in my system. I am using this for long time. I have 3 drives on my system. First root computer Second for my data third is also for data I have some space in the first ...
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3answers
58 views

Detecting installed OSs

When one tries to dual-boot a Linux distro (say Ubuntu) with a pre-existing install of Windows or other OSs, the installer detects the presence of the other OS. I want to know how an installer does ...
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134 views

Can Ubuntu detect Windows 10 for dual-boot?

I am trying to dual boot Windows 10, so I went on the Internet to find out if Ubuntu will detect Windows 10. Some sites say it does, while others say it doesn't... Which answer is correct?
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1answer
1k views

Freshly installed elementary OS Freya missing on boot menu [closed]

In my laptop right now I have two operating systems: Windows 8 and Ubuntu. I also had a third one I installed in the past but never used it: elementary OS Luna. I saw elementary OS finally released a ...
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25 views

How to chainload from usermode?

Starting from user mode runlevel in linux, is it possible to boot another OS on the system without ever passing through BIOS or GRUB/similar and never turning off?
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1answer
121 views

Dual boot linux mint 17 with Windows 8

I have ubuntu dual booted with Win 8. I had the ubuntu installed before dual booting it with windows 8. Now I want to uninstall ubuntu and install Linux mint 17 instead. I burnt the iso image to USB, ...
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1answer
523 views

Recovery EFI boot formatted partition

My notebook had windows 10 and ubuntu 15.04 in dual boot in uefi mode. Then I tried to replace ubuntu by fedora 22. Ubuntu boot loader was installed in /boot/efi, but I formatted that partition when I ...
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Kali Linux not appearing in grub after installation

Today I installed Kali Linux via bootable USB, and during installation there was a problem installing the bootloader. So I skipped its installation and restarted my computer. But GRUB couldn't find ...
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442 views

error: unknown filesystem entering rescue mode

I had two OS in my laptop. Windows 7 Licence version and I installed Linux Mint in Speparate Drive. It was all working fine before upgrade of windows 7 to windows 10. Problem is in my boot it was ...
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2answers
152 views

Installing Linux distros on two seperate hard drives

I am wanting to dual-boot Ubuntu 14.04.2 LTS and Linux Mint 17.2. I have a custom built PC, that I built with 2 hard drives (500 GB w/ Ubuntu 14.04 and a 250 GB that will have Linux Mint on it) and I'...
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104 views

Backbox install only shows grey screen

I am installing BackBox-4.3-amd64 (ISO downloaded from website) onto a HP G60-630US laptop (64bit) via USB and I get a grey screen instead of the option to install or run live. It says Backbox will ...
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0answers
40 views

Unable to boot Linux Mint due to Wi-Fi adapter

I have a Lenovo Flex 2 14D notebook with AMD A8 processor and factory installed Win 8.1 OS. Recently I dual-booted it with Linux Mint 17.1 Cinnamon. However the boot fails all the time. I ...
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1answer
2k views

Can I add Windows to my systemd-boot bootloader if I have separate EFI partitions?

I've just installed Arch Linux on to a new set of partitions on my Windows 8 machine. In doing so, I created a new 512MB EFI partition for Linux to load from, leaving the existing Windows EFI ...
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263 views

Why am I only getting two options in systemd-boot?

I set up an Arch USB stick, following the instructions given at https://wiki.archlinux.org/index.php/USB_flash_installation_media#In_Windows_2, section 1.2.2. Specifically, I extracted the Arch ISO ...
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510 views

Windows 10 update broke Gummiboot

I never had a problem running Arch Linux alongside Windows in a dual boot on UEFI. However, the Windows 10 update seems to have added a new partion so that the gummiboot configuration is not correct ...
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86 views

ArchLinux - DHCPCD timed out during dual boot installation from USB

I am trying to install a Dual Boot ArchLinux with Windows 7 running already on my machine. I have succesfully "burned" ISO on my USB using Rufus. After botting up, I manage to access Live Environment....
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121 views

Dual boot PCBSD - Windows 7

I am using PC-BSD 10.1.2. I ran the command without adding the Windows partition configuration file as result: # grub-mkconfig -o /boot/grub/grub.cfg Generating grub configuration file ... Found ...
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1answer
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Partition still almost full but files seem to have been lost. What happened?

I'm running a dual-booting computer with Windows 7 and Linux Mint installed on it, and I am using a logical NTFS partition that can be accessed both from Linux and Windows. After having started ...
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2answers
535 views

Kali Linux 1.1.0a doesn't boot from USB

I have Windows 8.1 and Ubuntu installed. I had ran boot-repair since the os selection menu wasn't showing. Few days ago, I downloaded the latest version of Kali Linux. I used PowerISO to copy all the ...
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Can cfdisk be used to resize partitions on a disk that will be accessed by Windows computers?

CFDisk is a fine command-line partitioning tool (it seems to change the partition table) for me. But I have read this on the man page that scares me a bit: In order to write the partition table ...
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If dual boot Linux with windows 8 will I still be able to upgrade to windows 10

So I am planning to dual boot Linux will Windows 8 and am wondering if I will still be able to get the Windows 10 upgrade. According to this article it sounds like I might not be able to: Microsoft's ...
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Preinstalled windows 8.1 not booting after installing Linux mint 17.1

I have pre-installed windows 8.1 on my machine and its a uefi enabled machine. I installed linux mint 17.1 on this by the side of windows 8.1. As I was unaware about the approach to install linux ...
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1answer
384 views

Problem with GRUB for dual-boot installation of LMDE 2 (and Windows) on encrypted luks-lvm (truecrypt)

I'm trying to install LMDE 2 'Betsy' 64-Bit dual-booting with Windows 8.1 and both systems encrypted separately, Windows with truecrypt and LMDE with luks. When booting I want to be asked for the ...
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450 views

Clonezilla hangs after boot

I have installed clonezilla live on pxe server. My pxe server works fine and I have installed clonezilla image in it to boot from remote location. My clonezilla image is booting successfully but it's ...
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62 views

Issues if Ubuntu and Windows 7 is installed in dualboot

I wondered if there are any known issues when Ubuntu and WIndows 7 are installed in Dualboot. I figured out that Ubuntu sometimes runs a bit slow.
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75 views

Installation of linux and windows xp

I have 80 Gb harddrive, 512 Mb RAM in my pentium 4 pc. Now the Windows XP I had got corrupted and i want to install new xp sp3 but each time I use the bootable USB it says unable to find operating ...
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197 views

How do I dual boot Win7 and Mint17 both on /dev/sdb?

Question: In my setup, where do I specify the device for the boot loader installation and how do I fix the issue of not being prompted to select my OS with GRUB? Bonus Question: Is there an easy way ...
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333 views

GRUB Won't Show At All- Windows 8.1 & Linux Mint

I have an HP laptop. May be irrelevant, but it's an ENVY m4. I started out with Windows 8, then later upgraded to 8.1. Had an interest in Linux. Used a tutorial to dual boot the two OS's, since I ...
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1answer
85 views

Dual booting Ubuntu and windows 7

I am trying to dual boot Windows and Linux on a machine at work. While I haven't used windows in a while, It is a process that used to work most of the time. But I haven't been as lucky with this ...
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187 views

Dual boot Mageia5 using Windows XP bootloader

I used the following commands for dual booting Mageia 5 from Win XP bootloader grub2-mkimage --output=./core.img --format=i386-pc --prefix="(hd1,msdos5)/boot/grub2" biosdisk part_msdos ext2 cat /...
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UEFI, multiple OSes and fallback bootloader

As it turns out after reading this document https://wiki.debian.org/GrubEFIReinstall and especially problem 1, there are weak EFI implementations, which only recognize the fallback bootloader. Which ...
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2answers
108 views

Reinstalling Debian: ext4 partition is not primary

I previously had a grub bootloader with crunchbang and win7. Since then I reinstalled win7 which now boots it automatically. I stuck in a Debian install CD that brings me to the stage in the above ...
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1answer
126 views

Debian & Windows 8 UEFI dual booting on separate disks

I want to dual boot Debian and Windows 8, installed on separate disks. This is what I've done so far, following this tutorial. My drive config & partitioning is as follows: /dev/sda1 - Windows ...
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389 views

OracleSolaris 11.2 and dual boot with Linux

I've read through different documents describing dual-boot configuration Solaris+Linux, however I'm still struggling with it. I first installed Fedora12, and then OracleSolaris 11.2, which of course ...
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1answer
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EFI dual-boot problem on HP Pavilion 15 with Windows 8 and Debian 8

Context HP Pavilion 15 Notebook, when I bought it there was Windows 8 pre-installed. Yesterday I partitioned my hard disk and I installed a fresh new Debian 8 everything fine, here's the table: ...
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how do I do a command line only boot of CentOS 7?

Can someone please explain how to trigger a command line only boot of CentOS 7 from a USB boot stick? I want to boot the terminal only and then use the normal CentOS 7 terminal to swap out the ...
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1answer
230 views

How to install Ubuntu 14.04 alongside the same existing OS in laptop?

I already have Ubuntu 14.04 installed on my laptop. But it's not working properly. I've a related thread here. I urgently require an audio/video cutter like ffmpeg, avconv etc. to be installed which ...
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2answers
2k views

centos 7 dual boot with windows 8.1

How do I install CentOS 7 alongside Windows 8.1 to create a dual boot machine? I did this easily enough on a Windows 7 machine using pendrivelinux. But that approach is resulting in a failure to ...
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saving file to usb stick while using linux boot stick

I am using the instructions in this youtube video to install CentOS 7 on a new computer that is running Windows 8. The tutorial uses UniversalUSBInstaller from PenDriveLinux, but the installation is ...
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2answers
83 views

Get Real BiosTime using CentOS 6.x and make permanentely SystemTime = BiosTime [closed]

My first SO is Windows 7, and it is synchronized with Bios Time... Later I installed CentOS, but... I want to have synchronized my CentOS with Windows and Time Bios! I was checking time (before ...
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1answer
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I cannot run Windows without connecting the flash drive in which linux was installed

I've installed Linux into my flashdrive from another flash drive while windows 7 is running. When I start up my computer with the flash drive in which linux installed , it appears 4 options ( Linux, ...
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2answers
282 views

How to configure a workstation for multiple Linux and Windows users?

I work at a university and a part of my job entails usage of software for numerical simulation of fluid flow. My department decided to buy a new high- end workstation that should primarily serve as '...
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1answer
163 views

Configure Grub Update to Install on Partition

I have a Windows 7 & Ubuntu dual boot system. I just installed automatic updates to GRUB. First update broke Ubuntu boot, which I fixed by installing grub to dev/sda3 in a chroot. Second update ...
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2answers
466 views

Problem to Install CentOS 6.4 (Second) after that Win7 (First) - dual boot

I want to install CentOS 6.4 in my PC, this image shows my Windows 7 partition before to install it But when I was ask to select my option (mode) of install CentOs like this: Or this (really is my ...
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197 views

Arch and Windows 7 dual boot with encryption, replacing existing Linux install

I have a computer with 3 hard drives: 120 GB SSD, which Arch identifies as sdb 1 TB spinny drive, which Arch identifies as sdc 160 GB spinny drive, which Arch identifies as sda Currently, Windows ...
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41 views

What can cause GRUB2 to suddenly not be recognized by EFI?

I have two hard drives in my PC. The first one contains an ext4 partition with Debian, a swap partition and the EFI partition for Debian. The second hard drive contains Win8 and it's EFI partition. ...
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575 views

Problem with Dual boot Linux Mint in my win 8 laptop

This is my first time experience with any Linux OS. I am trying to dual boot linux Mint to my Toshiba Satellite Win 8.1 laptop(64 bit). I searched google on how to dual boot linux mint and below are ...