GRUB (GRand Unified Bootloader) is a multiboot bootloader from the GNU project. This tag is for questions relating to the legacy version of GRUB. Use the GRUB2 tag for questions dealing with GRUB2, a rewritten version.

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How to deal “EasyBCD booting in uefi mode” in dual system computer

i use win 10 and Ubuntu 16.04 system together,now grub is the first guide,but i'm not want to use it as guide,and i want to use windows guide as first,then i find can use EasyBCD to revise this,but ...
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SED shadow master boot record and linux md raid 1

I'm contemplating this setup: Two SSDs with SED (self encrypting drive), in a software raid mirror, linux (or grub?) to unlock the two disks with one pwd from the Shadow Master Boot Record I ...
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3answers
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Accidentally deleted Windows 10 boot partition

Today, I wanted to install Kubuntu alongside Windows 10, but I got an error that had something to do with an existing GRUB on one of my hard drives. I removed the partition which I thought was GRUB, ...
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Grub boot loader not detecting Android X86 5.1 RC1 NTFS file system

I'm trying to install Android X86 5.1 RC1 on VMware workstation. so far the Android OS boots up when I choose "boot to the Android 5.1" instead of "reboot" directly at the end of the instal, but when ...
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7 views

Preserve Ubuntu/Win7 dual boot after moving/resizing current Ubuntu partition

I have Win 7 and Ubuntu 15.10 dual booting at the moment. Windows XP on sda1 is what I am trying to get rid of, so that I can then expand sda2 LEFT and resize sda6 (Ubuntu) LEFT to give me more room. ...
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1answer
36 views

Mismatch in time in Windows while dualbooting

I installed 32 bit Ubuntu 14.04 LTS alongside my Windows 7 OS in my MSI GX70. I found that my Windows time is always 2 hours ahead of the actual time. My Ubuntu version shows the correct time. So I ...
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22 views

stuck in grub rescue on ubuntu 15.10

My problem started after running "delete" from testdisk at terminal, then rebooting and all I get black screen with: "error Entering rescue mode... grub rescue>" I've tried some tutorials kind ...
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Booting linux from grub2 gets kernel panic - root=null

I'm doing my own homebrewed version of linux. The distro works fine but I need to update it to use EFI and GPT partitions. My problem now is that I can't for the life of me get grub2 to boot it. I ...
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16 views

live boot usb wont boot with grub 2.0 installed on my kali linux sana 2.0

I have a Dell Inspiron 15 running kali linux 2.0 and ive had some issues with it that ive had to fix and ive decided that i want to try and run another linux distro such as arch or back box but when ...
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1answer
61 views

Reinstall GRUB, which device to use?

Earlier today my computer's boot drive had Windows 10 and Ubuntu 16.04 installed quite happily on it. I could choose whether to boot Ubuntu or Windows via GRUB. I was also able to launch Ubuntu as a ...
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51 views

Recovering deleted/overwritten partition

Short: By mistake I overwrote my partition table using the tool testdisk. I would like to recover my data and operating system. Using the tool testdisk I have located the lost partitions on my disk. ...
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3answers
71 views

Upgrading to Windows 10 with EFI dual boot

I have Linux Mint and Windows 8 installed on my Lenovo laptop side by side (on different partitions of the same HDD) and booting in UEFI mode. I usually boot Windows from GRUB but I can also get it to ...
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1answer
19 views

select the correct LVM volume group as the root device

On my disk I have LVM configured as such: One Volume Group "vg1", containing One Logical Volume "lv1", containing a LUKS encrypted partition which is the root of a Debian Linux installation One ...
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18 views

error unknown filesystem grub rescue windows 10

I had win 10 and lubuntu on 2 separate partitions. I removed the second partition using Disk Management. Now when I restart laptop it goes into grub mode and what ever I try i get error. error ...
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20 views

“Invalid partition table” when booting system

I have a Dell Latitude E5430 laptop. I have replaced the CD drive with SSD. Then I partitioned both disks, They both have msdos partition table with two primary partitions. No flags on the partitions. ...
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28 views

How to recover Boot loader from lost partition hd0,1 (/dev/sda1) in Dual boot Windows10/Linux-Fedora21?

My first partition of 106MB is lost, boots fine to F21 but choosing Windows in boot menu gives some errors. any suggestion would be appreciated. Background; For some reason, I am not able to boot ...
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2answers
36 views

EFI Boot Grub on USB Stick

I'm trying to install ParrotSec Linux on an MBR USB stick. The root folder in mounted on sdc5 and I have an ext2 partition on sdc3 containing grub configuration, vmlinux and initrd. I have another ...
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1answer
38 views

Dual booting: 0xc000000e Windows Error when installing GRUB

Hi everyone! This is my first question so correct me please if I´m asking something wrong. So my Problem is: I´ve got a Lenovo E31-70 with pre-installed Windows 10 home 64bit and I tried to ...
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13 views

Grub unknown filesystem error

My PC is stuck with the following error message when starting: Error: unknown filesystem I have a multipartition system with Linux Mint and Windows 7. Without asking me, Windows decided to update ...
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22 views

YUMI: Booting find /menu.lst, /boot/grub/menu.lst, /grub/menu.lst

I'm using YUMI to set up a multiboot USB drive. I'm trying YUMI’s option to Try an Unlisted ISO from the bottom of its selection list, and the ISO files gets copied correctly to the USB drive. The ...
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Preserve numlock state during cryptdisk boot password prompt in plymouth

Each time my computer boots, there is prompt for password to decrypt hard drive (ubuntu is using plymouth). I'd like to use numeric keypad, but unfortunately plymouth changes numlock status to off ...
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1answer
15 views

Booting issue, Lenovo G580

I have Lenovo G580 (core i5 2.5 GHz), with dual boot (Windows 7 & Ubuntu 14.04). Since last 3 year, it was running smoothly without any issue. There was heating issue because of lots dust in ...
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Installed ElementaryOS on secondary drive, but still booting windows

Just installed ElementaryOS on my secondary HDD (Disk 1) while having Windows 10 on Disk 0, but when powering on it boots into Windows without asking (no GRUB menu or Windows boot menu). How to fix ...
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39 views

After running windows 7 on dual boot system (with Ubuntu 14.04), machine does not reach GRUB

I did the following: Partitioned my C drive Installed Ubuntu 14.04 from USB .iso After my computer failed to boot, I used the boot repair disk, live from USB, to fix. This fixed the issue. I ...
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64 views

Grub not listing the new kernel while booting

I recently updated my kernel on CentOS 6.7. That also cleaned up all the older versions, which also updated my /boot/grub/grub.conf, it has a single entry (of the new kernel). Now, when I rebooted, ...
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2answers
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Moving system partition and booting from it

I'm running a Linux Mint system on a former windows (Vista) hard drive. After a year or so of never booting the Windows, and getting space issues on the linux system partition, I decide to wipe the ...
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My old CentOS 6 computer died. How do I make a new one boot with the old HDDs?

As the title says, I have had a CentOS 6 box for some years, but recently it died. Since it was quite old, I've upgraded it with a whole new box (new psu, motherboard, RAM, CPU), but kept the HDDs. My ...
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Macbook Air 13 inch, mid 2012, OSX El Capitan

I installed kali linux on my machine and got the following message when trying to login; error: no such device Entering rescue mode...... grub rescue> How do I resolve this?
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198 views

Installing Windows x64 on 32-bit UEFI (EFI-IA32) via GRUB

I am attempting to install Windows 10 x64 (64-bit) on a device that only has 32-bit UEFI (for the moment) Since x64 Linux can be booted via a custom 32-bit GRUB.. I assume it could also do the same ...
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91 views

Linux boot fails with /dev/disk/by-uuid/XXXX does not exist - Asus Zenbook Pro Touchpad Not Working

Device: Asus Zenbook Pro ux501vw-ds71t Ubuntu Version: 15.10 I installed Ubuntu 15.10 and the installation was successful. However, the Elantech touchpad did not work. I read that the newer ...
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1answer
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Dual-boot windows 7 and Antergos Linux. Windows will only boot some times

Not long ago i clean installed windows 7 on ,y laptop. I then installed Antergos for dual-booting. Then windows chould not boot so i used boot-repair to fix it. When i now go in to grub to boot ...
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1answer
91 views

Remove Grub Rescue and boot straight to Windows 10

I installed Kali alongside my Windows10. I decided to uninstall Kali, so deleted the partitions and used EasyBCD to restore back to Windows MBR. Upon boot Grub rescue still loads. So I ran a live ...
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3answers
53 views

Is it possible to choose which OS will be loaded using a hardware switch?

I'm looking for a more elegant way of choosing which OS to boot than using the menu provided by grub, and I think it would be neat to have a switch on the case with two states (e.g. Ubuntu and ...
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1answer
241 views

Android-x86 6.0 Marshmallow in VirtualBox:installation stuck on GRUB

I'm trying to install android-x86-6.0_20160129.iso in VirtualBox but the installation get stuck at Do you want to install boot loader GRUB Some background: The VM was created from the Ubuntu ...
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74 views

Decrease /boot size on Fedora 23

I have a problem with my /boot partition. It only has 200 MB which is insufficient - it is almost full. I have already unistalled old kernels (via dnf, keeping only the latest one) but there are ...
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1answer
31 views

IOAPIC[0] not in IVRS table

I have a fresh Ubuntu install from USB. When I boot the PC it takes me straight to GNU Grub, when I select Ubuntu I get the following messages. [Firmware Bug]: AMD-Vi: IOAPIC[0] not in IVRS table ...
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1answer
28 views

How to bypass grub rescue?

I had dual boot with Windows 8 and Kali Linux. I deleted Kali Linux partition. Then restarted. It showed grub rescue. I don't have any live cd or usb. I tried following commands which was there in ...
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3answers
67 views

Messed up my MBR, can't boot from hard drive

can you help me please? I messed up my boot partition and I don't really know how. I tried to install grub wherever I could and accidentally formatted MBR. Bootrec.exe /FixBoot doesn't work Ubuntu ...
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2answers
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Deleted Linux Partition , Stuck on grub rescue , Cannot load any OS

I installed Fedora on my computer by freeing up 20GB from the E drive in Windows 10 . But i realised that i didn't like the interface much , so i went back to windows disk management and noticed that ...
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How does grub find the device in which grub.cfg resides?

As I understand it, the uefi bios loads grub.efi from the efi partition. This now loads a bunch of grub modules and the configuration file from the /boot directory. But how does grub find the correct ...
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2answers
39 views

grub not showing different kernel options

I have done a sudo update-grub and it gives the following output - Generating grub configuration file ... Warning: Setting GRUB_TIMEOUT to a non-zero value when GRUB_HIDDEN_TIMEOUT is set is no ...
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1answer
125 views

Multi (Dual) Boot planning - Linux and Windows 7,8,10 - BIOS (not UEFI)

EDIT: I'm adding "(editX)" edits and "A: ..." answers to my question, to avoid posting it as an answer (for now)... Similar to this question has been answered many times in forums and so on, but ...
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1answer
67 views

Dualboot Windows Linux (Fedora) - Boot Problems

just installed Windows 10 on a seperate HDD on my home computer and ran into problems. Till yesterday I was able to boot my Fedora system which was the only installed OS, now I installed Windows 10 ...
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1answer
34 views

Migrating from dual boot to triple boot

In my current setup, I have: 1 Crucial MX200 500GB SSD - Kali linux installed with grub bootloader, set as primary boot drive 1 Corsair Neutron XT 960GB SSD - Windows 7 1 Corsair Neutron XT 480GB ...
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25 views

Make bootable partition from a Live CD

I have a dual-boot system with Ubuntu 15.10 and Windows 10, behind GRUB2. I'd like to add a separate bootable partition that I can use for partition editing and recovery tasks. I've downloaded the ...
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1answer
24 views

Grub finds a lot of images

I have a PC with Ubuntu and Kali. If I use "update-grub2" or I watch Kali's grub*, I see so many images. Are they useful? If they aren't, how can I delete them? *that I have after installing Kali, ...
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26 views

Can install but not run any linux distro since ubuntu update

hope someone can help me out here... I was running Ubuntu 14.x quite happily and updated to the latest set of downloads and bug fixes, etc. Since then Ubuntu has not booted up properly. By properly I ...
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3answers
65 views

Make my Old Hard Drive Not Bootable

Frequently my bios for some reason tries to boot to my old HDD instead of my new SSD. This is starting to get very annoying have to switch HDD priorities every time I restart my computer. Disk 0 ...
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55 views

Removing traces of grub from windows 10

System was running Windows 10 and Ubuntu 15.04 dual boot. The recent Windows 10 update 1511 removed the grub menu at the start. I wanted to try some other linux distro. So I deleted the Ubuntu ...
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22 views

How to install grub2 on image file without root privilege

I have been working on a process to create a bootable image file that can be used as a installed disk drive for qemu-kvm, so that others can run qemu with my image file without worrying about the ...