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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Installing Fedora 23 alongside Windows 10; EFI partition “not valid”

I have successfully installed Windows 10 on a 3-disk (hardware) RAID 0 setup, in a 150GB NTFS partition. As part of that, and because I booted my installation media in UEFI mode, the Windows installer ...
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How can I repair a dual boot system when the boot mount point is not empty and dev-mapper job times out?

You might ask, how did I get to ask this question. Well I built a rocket ship rig for my buddy and dual booted it with Windows 8 and Debian 7. 5 years later his wife upgraded the Windows OS to ...
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24 views

Trouble Boot repair

I had a problem with my grub, it didn't recognize my OS, I have installed windows, ubuntu and kali. I tried to use Boot repair in a ubuntu live cd as sudo chroot "/mnt/boot-sav/sda10" apt-get purge ...
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GRUB confuses kernels/initramfs of Ubuntu and Arch Linux installation

I have a machine that used to dual-boot Ubuntu (16.04 currently) and Windows 7, with Ubuntu's GRUB as boot loader. Now I just added Arch Linux as third OS, following the official installation ...
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17 views

OpenELEC : “cp: can't stat '/flash/SYSTEM'”

I hope someone will be able to help here, I don't see much support about OpenElec... But let's try ! SO. I'm buidling an HTPC and would like to multi-boot it with OpenElec + Mint; with EFI boot. I ...
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31 views

Fedora 23 no longer bootable (GRUB: Minimal BASH-like line editing is supported.)

I have a dual boot on my laptop with Windows 10 and Fedora 23. Both were installed in EFI mode. It's been working fine, but I had to set the boot order to prioritize BOOTX64.EFI for it to start ...
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24 views

how to dual boot arch with win 10?

I was working on my arch linux for like two months and everything was fine until i had to install windows 10 to use some softwares, after installing windows 10 i couldn't enter my arch! there was no ...
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2answers
66 views

What is the best way to setup 3 HDDs with 3 OS on one computer?

I am building a new PC, I am a developer of whatever people want me to make, but I personally like to code games. To do this, I have a simple set of requirements: Machine must run Windows 7, to run ...
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13 views

Instaling Linux Mint with Windows 8.1

I am trying to dual boot Mint with Windows 8.1. So far I formatted disk with fdisk in windows cmd and then installed Windows. Now I am trying to install Mint but mint and even gparted don't see ...
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1answer
59 views

Unable to install Kali Linux in Asus ROG GL552VW

I am trying to install Kali Linux 64-bit rolled version in UEFI mode so created a bootable USB using Universal USB Install, created /EFI/BOOT and copied .efi files to it. I turned off secure boot. I ...
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19 views

How does one install Arch Linux with P4P800-E motherboard?

Really, I'm not sure the issue is the motherboard. I'm not sure what the issue is at all, but my research ability is limited to googling the various error messages I get from attempting installs of ...
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1answer
19 views

How to install more than one OS on a pendrive?

I have a Windows 10 laptop. While I want to use Linux based OS I don't want to partition my HD or remove Windows OS. So I thought of installing Ubuntu on a 64gb pendrive and running the OS from it. ...
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19 views

GNU Grub version 2.02 Failure Grub Rescue (Kali Linux)

I Had a Dual Booted PC Which had a Kali Linux (Debian Based Linux) and Windows 8.1 since 4 Months it was Running Fine as a Normal PC, But Unfortunately, today i ran into a Error while opening the PC ...
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1answer
27 views

I am stuck with the next step to setup a dual boot for Windows 7 and Arch Linux

I am trying to configure my laptop so as to be able to dual boot Windows 7 (64Bit) and Arch Linux. The laptop on which I want to do that came pre installed with Windows 7. The installation consisted ...
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1answer
21 views

Make my fedora-22 kde boot faster

I am using fedora-22 kde with windows dual boot. When I select fedora from boot menu it takes upto 20sec to boot. I don't know if there are some programs affecting the boot time. when I run the ...
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12 views

Hard disk partition table overwritten -TestDisk recovery

Okay so I'm not %100 if this should be posted here or super user. here's my problem: I've an Ubuntu user for quite some time but had decided to switch over to Mint. While installing I realized I had ...
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1answer
49 views

Puppy Linux on laptop running Ubuntu 14.04 (dual-boot)?

I just read about Puppy Linux the other day. The latest release is called Tahrpup, and is partially built from Trusty Tahr (Ubuntu 14.04). So now I am curious, and I would like to install it on my ...
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23 views

Unable to install/boot Ubuntu 14.04

I have downloaded a 64bit version of Ubuntu 14.04 for my little Lenovo Laptop, and saved it on my desktop. Using unetbootin I mounted the file and started the installation process. After following the ...
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13 views

multi boot win 7 ubuntu 15.10 kali

this is my first time using grub and I am hitting a problem. I can't seem to install ubuntu in the manner I "think" I should AND added to that I get unusable space. Here's what I am doing could ...
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1answer
36 views

Debian : changing home directory in triple boot setup

I have a triple-boot system with Windows 10, Debian and Ubuntu. At first I had only Windows 10 and Ubuntu. Then I installed Debian and I used the same home folder for both Debian and Ubuntu. It was ...
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1answer
20 views

I have 3 primary partitions already, can i shrink one of them and install kali-linux?

I have 3 primary partitions and 2 logical partitions already in my windows 8.1 PC. But now i want to shrink a 20gb space from c drive and install kali-linux 2.0 in it.. i tried to install kali linux ...
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Dual booting Antergos with Windows 10 Black Installation Screen and cannot start normal installation

first of all thank you for reading my post. I tried to dual boot Antergos with Windows 10 today, I had created bootable usb with rufus (options: UEFI GPT, iso) and CD with windows built-in burning ...
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'Resuming' Ubuntu after battery died

I'm running Ubuntu 15.10 alongside OSX, usually booting into Ubuntu using rEFInd. Last night my laptop died while in Ubuntu due to lack of battery power, when trying to boot back into Ubuntu this ...
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Files (e.g. music) on secondary drive can't be found by programs

I'm dual booting elementary OS with Windows 10. Each has its main file system on a 128gb SSD, with shared data on a 1TB HDD. I'm very new to Linux so sorry if this is a dumb question. I can access ...
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23 views

How do I ignore Linux on boot?

I have Windows 10 on my primary SSD and Kali Linux on a HDD. I need the slot with Linux HDD temporarily to be used with Windows, but the problem is that it tries to boot from the missing drive. How do ...
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41 views

Can not boot windows after installing ubuntu

I installed Ubuntu in a computer with Windows preinstalled but when doing it I didn't disable fast startup and now can't boot Windows. I am using GRUB to boot. In the GRUB menu I can see Windows, but ...
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1answer
60 views

Retrieve data from “erased” home partition while installing win7

I had a computer with a windows 7 and I installed lubuntu 14.04 on another partition (I think I shrinked the windows NTFS partition first). I installed lubuntu this way: -> NTFS boot -> NTFS ...
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39 views

How to install BURG in Fedora-22(kde) with Windows 10 dual-boot

I've installed Fedora-22 kde and Windows 10 Both are working fine; this is a dual-boot system using Grub 2. I want to make the Grub selection menu more interactive. So I want to install BURG which ...
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23 views

Black screen in Ubuntu after grub

I recently bought a new pc: -i5 4460 -r9 390 -8gb ram I installed Windows 10 for gaming, but also I want a dual boot with Ubuntu for programming, education and others. So when i tried to install ...
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1answer
26 views

How can I make grub mount a drive with “rw”?

I have this in /boot/grub/grub.cfg menuentry 'Arch (on /dev/sda5)' --class gnu-linux --class gnu --class os $menuentry_id_option 'osprober-gnulinux-simple-aabbcc-dd-ee-fff-eeee' { insmod part_gpt ...
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124 views

Windows 10 missing from grub after Ubuntu update

So I updated Ubuntu to 14.04 a few days ago and I just noticed Windows 10 went missing from the grub menu options. I tried multiple variations of update-grub and tried using boot-repair, too, but ...
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Xubuntu boot loader not showing while triple boot xubuntu, mint and windows 8

Here is what I did 1. I had mint and windows 8 installed on my laptop and wanted to install xubuntu also. I converted my disk to basic and GPT as xubuntu installation wizard was not showing windows ...
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4answers
87 views

Dual-boot windows/debian, no boot menu?

I just installed (actually I did so three times today) debian on a separate partition in my Win10 laptop (Asus K46CB), but though the installation went smoothly, no OS selection menu comes up upon ...
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1answer
79 views

How do I get UEFI to automatically boot the Linux Boot Manager (managed by systemd-boot) instead of the OS Boot Manager, of Windows 10?

I would like to set my laptop with UEFI firmware and a Windows 10 / Arch Linux dual boot to use the Linux Boot Manager (managed by systemd-boot) by default on startup, instead of the OS Boot Manager ...
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Hot to dualboot linux mint and W10

I'm currently trying to use Linux mint 17.3 alongside W10. I'm using an acer Aspire E5, which came with windows 10. I havent formatted to windows 7 yet because of the drivers. Anyway, i have already ...
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1answer
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Dual boot, I've not created the grub file on the 2nd OS

I have Ubuntu 14 and Windows 10 installed on the different partitions and working well. I've created one more partition and installed Arch into it. Actually, I made only the 1st part of installation ...
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1answer
41 views

Install other linux distributions on same machine after installing Ubuntu

I have new machine and i install Ubuntu. I want to install other Linux distributions also - and i want to be able to choose on the startup witch Linux distributions to run. I install 'grub' on my ...
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GRUB calls Windows 10 - Windows Recovery Environment instead of Windows 10?

Hi I just installed OpenSuse on my computer and I now dual booting with windows 10 and in the grub menu its coming up as Windows Recovery Environment instead of Windows 10. Can someone show me how to ...
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31 views

Migrating from dual boot to triple boot

In my current setup, I have Crucial MX200 SSD - Kali linux installed with grub bootloader, set as primary boot drive Corsair Neutron XT 960GB - Windows 7 Corsair Neutron XT 480GB - Shared data drive ...
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1answer
106 views

Dual Booting Windows 10 + Debian problems

I wanted to make a dual boot for the first time in my life with my already installed windows 10 and a new Debian 8.3 system. (Note: I have 2 harddrives, one for the windows system and the other one ...
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142 views

Grub2 can't detect Windows 10, Dual boot on two harddrive, UEFI/GPT system

I have two ssd which there is Windows 10 on the /dev/sda1 and OpenSuse on /dev/sda3 (/dev/sda2 is for a storage hdd). I have been installed Ubuntu on my /dev/sda3 couple months ago. But because of ...
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2answers
62 views

Can't solve grub rescue problem?

I installed kali 1.0.9a-amd64 a month ago on dual boot with windows 7,I created 4 partitions from it, one swap one /home one /boot and one / yesterday I wanted to free another partition from windows ...
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23 views

Windows doesn't load from grub

I have windows 8 and last night I installed Kali 2 on an unused drive.grub recognized win 8 but it only loads kali and when I select windows I get this . I just have one hard drive and update-grub ...
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Elementary os boot issues [on hold]

I tried to install elementary OS and it failed (grub-install). Now when I try to boot into windows(8.1) it starts automatic repair and then I get stuck on a screen with just the mouse. I'be tried to ...
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109 views

Unable to boot after kernel upgrade

My PC triple boot Windows 10, Ubuntu 15.10 and Kali 2016.1. It boots from Ubuntu Grub. Everything worked fine until yesterday. Yesterday Kali released version 4.4 of the kernel and I installed it. ...
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2answers
49 views

Grub Recovery at Boot

So I'm not exactly sure what happened but when I went to start my computer today, it failed to boot and the only thing on the screen is a command line with "Grub recovery". I tried to repair what ...
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32 views

Grub, booting to windows issue

I'm having a bit of an issue with my 'dual boot' PC in that it wont boot windows(10). I've had a look around several forums but can't seem to find anyone who has managed to screw themselves just quite ...
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71 views

EFI boot entry disappears

I have a problem, the Fedora 23 EFI boot entry keeps disappearing. Set-up is Asus Z170-deluxe motherboard, i7-6700k CPU and 2x16GB DDR4. BIOS is the latest 1602. Disk is NVME Samsung 950 Pro 512GB. ...
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1answer
22 views

How to change from dual-boot to only ubuntu

I have both Windows and Ubuntu 14.04 on my computer, and I'm having some trouble. The Windows partition doesn't actually work at all, and the Ubuntu partition is getting buggy. I'm f.ex. having ...
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44 views

Deleted grub partition from windows. Cannot enter BIOS, only shows grub terminal

I am a linux newbie. I installed elementary os freya x64 in dual boot with Windows 10 pro x64, while installing I create four partitions: /, swap, /home and biosgrub. after installation I tried ...