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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Ubuntu, unable to boot from CD, option missing in BIOS and grub

some time ago I switch from windows to ubuntu and at that time, I formated my hdd and created new partitions. NAME FSTYPE SIZE MOUNTPOINT LABEL sda 698,7G ...
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Unable to boot Windows 10 after deleting and formating Ubuntu 14.04 from Windows

Right now I'm stuck in grub rescue. I have no idea about it. I've tried anything that I found on this site and on the web. Nothing works. I've tried booting ubuntu from usb using pendrive, didn't ...
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15 views

Boot from cd/dvd or usb fails

I have an Acer T650 and have had ubuntu 13.4 or 13.10 on it. It fails to boot after an distro upgrade to 14.x or 15.x but the problem is that I cannot boot from a DVD or CD. I have burned one with ...
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Unable to boot EFI image off flash drive

I am at my wit's end. I'm trying to install Windows (7 or 8, I've tried both) on my Dell Latitude E6430. I currently have Xubuntu 15.04 installed with Grub 2.02~beta2-22ubuntu1.1. I want to dual-boot ...
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Is there an easy way to create a multiboot grub2 usb flash using isos?

I've recently purchased a 32gb usb 3.0 flash drive. Because I find myself creating bootable flash drives all the time with different images, I'm looking for a way I could create ONE flash drive with ...
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deleted linux mint from windows 8 dual boot reinstalled linux can't make it work

I have a lenovo g710 laptop with windows 8.1 preinstalled.I made a dual boot with linux mint and everything was ok.Then i did something in linux terminal and when i restarted the pc linux wouldn't ...
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How to restore the access to the Samsung BIOS after restoring the MBR with the Dual-boot Repair tool on Windows 10?

I have a Samsung Ativ Book 2, which came with Windows 8.1 as I bought, but I updated to Windows 10. I needed to make a dual-boot with Ubuntu 14.04 because of my work, but I didn't wanted to risk it, ...
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Win 7 boot issue after ubuntu dual install - can't rebuild BCD

I have been struggling with boot issues ever since I decided to install ubuntu 14.04 LTS along Win 7 64 bits on myVAIO computer. To install it I chose "Something else" and resized the partition myself ...
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1answer
25 views

Grub Rescue upon attempting to reinstall WIn8.1 on Msata

New device and not dual boot as far as I am aware. New clean install of win 8.1 was compromised. Intel provided a new device. Upon attempting to reinstall 8.1, it would not allow installation onto ...
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GRUB and Windows on a Revodrive 3

I came across an interesting problem: My Windows 10 installation is on an OCZ Revodrive 3 (EOL). To detect the Revodrive during installation a driver is necessary. I recently started using Linux ...
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GRUB2 not seeing hard drives after reboot

I have three hard drives installed: /dev/sda1: LABEL="Wiederherstellung" UUID="044AE97A4AE9693E" TYPE="ntfs" PARTLABEL="Basic data partition" PARTUUID="549b8c2d-7c9a-45b4-8de2-e4177da085ea" ...
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Missing /grub/stage1 file

My situation goes like this. I have a SW-RAID1 setup on the server. Unforunately, it is only able to boot from device sda, without it. The server will not be able to boot up using device sdb. So after ...
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2answers
42 views

Can't boot kali linux under grub2 (usb flash)

I split usb flash to three part: | For DATA | For Kali Linux | Persistence | Then i'm install grub on /dev/sdb2: sudo grub-install --no-floppy --root-directory=/mnt/linux /dev/sdb Write ...
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3answers
87 views

Windows 10 does not boot (Maybe isn't considered as OS?)

I have a problem with booting Windows 10. I use Windows 10 and Ubuntu 14.04 and first I instantly got back to GRUB when selecting Windows 10 then I booted from Windows 10 installer media and ran ...
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Recover a Windows partition (under GRUB) and lost files

I am bringing this question and comments here, after feeling stackoverflow wasn't a place for me. I hope, at least, get some help here. Thank you very much indeed in advance. I really need a solution ...
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2answers
34 views

Recover data from formatted harddrive [duplicate]

I had a dual boot machine with Windows 8 and Deepin linux on it. Last week I removed WIndows 8 and installed windows 8.1. After installing Windows 8.1 grub was removed. I followed How can I repair ...
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1answer
16 views

Add Chakra to Grub (installed by Mint)

I have 4x30G partitions on my SSD. I installed Mint to the first one. Mint installed grub2 with it, which recognizes Win7 on a HDD as well, so I thought I keep this boot loader. I installed Chakra to ...
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1answer
57 views

grub rescue mode on kali linux (usb flash)

Trying to create Kali Linux live USB persistance. Split the usb like this: || first part FAT for data || second part FAT for LINUX || third part for persistance|| Then set "bootable" flag in gparted ...
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1answer
30 views

Why does grub2 boot menu show abnormally like this?

My distribution is Fedora 22. The grub2 boot menu screen is obviously wrong. How to make it show in full screen? Thanks in advance. PS. My display's default resolution is 1920x1080. When I logged ...
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1answer
39 views

Upgrade Windows 7 to Windows 10 While Multi-Booted With Linux

My PC has two separate physical hard-drives in it, one with Windows 7, and one with Ubuntu Linux. In order to get the dual-boot set up to work properly, I set up GRUB to be installed on both hard ...
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Add variant with other options to default entry in GRUB

There are several tutorials around how to add a new static menu entry to GRUB. However, I like to add a variant of the default entry (eg. booting the most recent linux kernel) with some other kernel ...
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23 views

GRUB multibootloader issues, Kali Linux

I am having a massive amount of trouble getting GRUB to setup multi-boot on my computer, I have 3 seperate drives, one with Windows 8.1, one with Kali Linux and one with OS X Install which is ...
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9 views

GRUB2 load other Truecrypt disk with rescue disk

I am trying to automaticly load my Windows encrypted partition with a keyfile from my GRUB2 but my Windows is on another disk. My layout at the moment looks like this NAME MAJ:MIN RM ...
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Fedora 22, Boot Order

I cannot get Fedora (22) to boot from a USB. It has Ubuntu on it and I've decided do most of my dev stuff on there to avoid compatibility issues between my desktop (Windows) and my laptop (Fedora). I ...
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1answer
13 views

Combine serveral images into one Live-USB [duplicate]

I wanted to know if it's possible to combine at least two systems into one image : Example : I have a Debian image (.iso) and a Clonezilla image (.iso) and I want to make one image and the GRUB ...
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Move Linux EFI to SSD

I have a Linux Mint 17.1 EFI installed on 500GB HDD. I would like to move it to new 120GB SSD. I resized partitions to fit 120GB SSD and did "ddrescue -v --force /dev/sda /dev/sdb" from LiveUSB but ...
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Why can't grub boot Windows directly?

According to Wikipedia, LILO used to be the default boot loader for most Linux installs, and could boot Windows. Grub, however, can't boot windows directly, but rather calls the Windows boot loader, ...
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1answer
38 views

How do I fix “BOOTMGR IS MISSING”?

How do I fix "BOOTMGR IS MISSING" after i tried to dual boot Kali linux 2.0 light and Windows 7 and getting error from installing grub and lilio? Sorry for my poor English.
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9 views

Prevent grub2 after resuming from hibernation

I have a dual boot setup with Windows 10 and Ubuntu 14 LTS. Windows 10 was installed after Ubuntu so Grub2 was overwritten, so I reinstalled it. Now after I turn my PC on after hibernation it loads ...
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Boot Windows from GRUB via virtual hard disk

Building on Is there a Linux equivalent for VHD from which it can boot? Is there any way to boot Windows from GRUB such that it is running from a virtual hard disk but everything else is on bare ...
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1answer
79 views

Bootloader issue - How do I completely remove Linux from my system? fully detailed description

The goal was to successfully install Windows 10 upgrade. System configuration : Dell Inspiron 3537, i5 4th gen processor, 6GB RAM, 1TB HDD, 2GB AMD Graphics. Before install : I have a Dual-boot ...
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Ubuntu boot message when booting back into ubuntu after manual update

ACPI PCC probr failed is a message i am getting when i try to boot back into ubuntu 15.04 after performing a manual update yesterday. Any help with this would be much appreciated. ACPI PCC probe ...
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26 views

grub2 not booting linux

My computer has Internal SATA HDD (/dev/sda) that has linuxmint-13 on it. /dev/sda1 = linuxmint-13 /dev/sda2 = extended partition /dev/sda5 = swap External USB HDD (/dev/sdb) that has linuxmint-17 ...
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Execute setpci at boot

I'm using grub to execute two setpci commands when starting Arch on my MBA. These commands solve "startx black screen" issue for me: setpci -s "00:17.0" 3e.b=8 setpci -s "02:00.0" 04.b=7 Now I want ...
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How do I restore the default Windows 10 bootloader? [duplicate]

I would like to remove by Ubuntu partition by formatting its drive in the Windows Disk Manager. However, how can I restore the Windows 10 bootloader after this action? I no longer wish to use GRUB.
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23 views

Enabling FIPS for openSSH causes freetds to not work

I have two CentOS 6.7 machines (server A and B). Same package versions are installed on each system. Last week I enabled the openSSH FIPS 140-2 module on Server A, and that system works flawlessly ...
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Fedora Live Boot 'loopback' not found

I am trying to boot Fedora ISO from Harddrive. I have placed kernel, iso and initrd at the root of the file. And placed the loopback.mod at /EFI/BOOT/i386-efi/loopback.mod. My grub.cfg, the menu ...
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1answer
47 views

UEFI dual boot messed up attempt

I was trying to for the first time dual boot my computer With Windows 8.1 Kali Linux I didn't Have an Idea About What UEFI means so naturally I made a partition, then I Went to the "BIOS" menu and ...
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18 views

How to fix my Windows boot loader after botched Ubuntu install [duplicate]

So, the bootloader on my computer is messed up and I'm trying to fix it. I have two issues: Initially, I installed Windows 7, which went great. Issue #1: Then, I installed Ubuntu and wanted to dual ...
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21 views

Creating a bootable hard-disk (qcow2) image with Grub2

i want to create bootable qcow2 image on fedora. How to create it. any suggestions.
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21 views

Unable to install grub on Fedora

I am unable to install grub on Fedora. I ran following commands, # fallocate -l 1G archlinux.raw # fdisk archlinux.raw <<< ' $ > o $ > n $ > p $ > 1 $ > $ > $ > a $ ...
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26 views

After adding RAM to laptop Windows not loaded from GRUB loader, but Linux works fine

I have a laptop which had 8 GB DDR3, and I've added 8 GB more. I also have Linux installed (12.4) and Windows 7 Professional working via GRUB loader. So Linux works fine and sees all 16 GB ram, ...
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1answer
268 views

windows 10 entering grub rescue mode

So yesterday after i installed windows 10 pro i notice that one i my partition was missing. I installed mini partition tools then i noticed that the drive was set to active and boot.first i tried to ...
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70 views

Deleting Ubuntu partitions dual boot with windows 10

After I Deleted Ubuntu partitions dual boot with windows 10 it say grub rescue .Plz help I don't know what to do, I only have two partitions the C for windows and the D for data .
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1answer
226 views

Windows 10 isn't shown in dual boot menu with Ubuntu

I have installed Ubuntu alongside Windows 10 to different local disks. But on the booting window, Windows 10 isn't showing after installing Ubuntu- there is only Ubuntu on the menu. How do I enter ...
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1answer
68 views

How to remove GRUB from Windows 8.1?

Awhile back ago I had installed Fedora 21 on my PC (with trouble of course). Anyways, fast forward today, I get tired of the dual boot (grub) screen and decide to wipe my linux partition thinking that ...
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1answer
217 views

Will upgrading to Windows 10 replace my grub bootloader?

I dual-boot Windows 8.1 and Ubuntu 15.04. I have learned to install Windows before Ubuntu because the reverse results in having to finagle with a lot of settings to get the grub boot loader prompt ...
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1answer
5k views

How to fix Windows 10 boot loader from Windows

I installed Ubuntu on system that has Windows 10 installed. I can boot to Windows or Ubuntu normally using GRUB. I want to delete Ubuntu partition but first I must restore Windows 10 MBR. Here ...
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2answers
9 views

Can I remove grub by connecting the HDD to another computer?

Related question is here. TL;DR: had dual boot, reset to factory settings on Windows, and didn't remove Ubuntu and grub first. Now I'm stuck with grub rescue prompt. Can I remove grub manually when ...
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0answers
304 views

Installed Ubuntu next to Windows 10 caused nothing to boot anymore

The following broke my PC. Installed Windows 10 Education x64 final release Booted Ubuntu 15.04 install disc Installed Ubuntu with option to install next to Windows Installation said it has been ...