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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Grub can't recognize Windows 10

I previously had Windows 7 installed alongside Ubuntu 14.04. I recently upgraded to Windows 10 which removed the grub bootloader. So, I used boot-repair from a live USB to restore grub. But now grub ...
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1k views

Grub2: is it possible to disable graphics drivers through kernel boot command?

Questions Here are my questions: is it possible to disable the fglrx Linux driver or do anything to suppress functionality (e.g. 3D acceleration) that is not cross-hardware compatible via a grub ...
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Can initramfs chainload another boot partition?

Is it possible to use an initramfs to boot another disk / partition? I'm looking for functionality similar to GRUBs chainloader. I need to boot a disk, do some stuff, mount a second disk, boot the ...
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397 views

Is it possible to install Linux and Windows on a M2 SSD and setup a dual boot with grub or other?

My goal is to be able to switch between linux and windows very fast so I'd like to make two partitions on a M2 SSD (Samsung SM951 512GB), one for linux and one for windows. Then I would like to be ...
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27 views

Why is GRUB working on one computer but not the other?

I've installed Arch Linux on to a USB stick. The stick is partitioned as GPT, and there are two partitions - an EFI boot partition, formatted as FAT32, and a boot partition formatted as EXT4. When ...
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103 views

GPT Windows 10 and Linux Mint 64 bootloader error

I have recently upgraded (via clean install) to Windows 10 Professional 64bit and installed it as my main OS. For the purpose of my thesis I have also installed Linux Mint 17 64bit. Both of them are ...
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60 views

Dual booting Windows 10 with existing Arch install

My PC has Arch Linux installed already, how will I dual boot W10 ? Will it replace grub with Windows boot loader ? Will it erase arch altogether ? Thanks !
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1answer
43 views

Too many Windows 7 option on GRUB

When I boot my Laptop, with a dual boot Ubuntu 14.04 / Windows 7 PRO, I've noticed that I can select from 4 different Windows 7 options, instead the one and only I had some days ago. Some of those ...
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1answer
33 views

Can't install Windows 10 from Windows 7 PRO

I'm trying to upgrade my Windows 7 laptop, a Dell Latitude 3540, with a dual boot with Ubuntu 14.04 LTS. When I try to upgrade it, and it reboot, I'll select the Windows OS from GRUB, and then the ...
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37 views

How do i boot a file system read only?

Need to tune2fs for a flash based root-fs and it's asking me to do it in 'ro' mode. deathstar> tune2fs -O '^has_journal' /dev/sdc1 tune2fs 1.42.12 (29-Aug-2014) The has_journal feature may only be ...
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1answer
84 views

Why has grub prompt started appearing instead of grub menu after Fedora update?

In this notebook I had Windows 10, Ubuntu and Fedora. After a Fedora update, instead of the grub menu, the grub prompt started appearing. I've tried some "solutions" which suggested to look in what ...
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2answers
86 views

Linux live OS determine current boot media(CD/USB) which is used to boot the kernel and rootfs residing on the same media

Is there a way to detect the current boot media used to boot a Linux Live OS? In a live OS system, I would like to uniquely determine the current boot media(CD/USB) that has been used to boot the ...
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43 views

Asus Zenbook UX32VD cant start Linux after dualboot

I have such laptop : Asus Zenbook UX32VD Installed there ubuntu by this tutorial http://www.everydaylinuxuser.com/2014/05/install-ubuntu-1404-alongside-windows.html alongside with windows 8.1 Now I ...
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1answer
24 views

Grub and multi drive boots

I have encountered an issue while setting up a new SSD. Before incorporating the new drive, I had a partitioned HDD, Windows 7 (manufacturer installed) on one partition, with Debian on the other ...
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167 views

Grub on LVM partition

Basically, my problem was the /boot (/dev/sda1), which was a very tiny partition (88 Mo). With the available VolumeGroup on this machine, I formatted a new LVM volume (600 Mo). Then I copied the ...
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2answers
141 views

Remove GRUB when Bootsect and Bootrec didn't work

I recently installed Ubuntu 15.04 in an external hard drive (let's call it HDD2), with an Acer Aspire E1-572G. It already had installed Windows 8.1 on its internal hard drive (let's call it HDD1). ...
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1answer
912 views

How to manually setup grub on a seperate boot partition with LVM over LUKS full disk encryption?

I've installed Linux Mint 17.2, with a hard drive partitioned as follows: sdc1 - 100MB ext2 for boot sdc2 - rest of disk as LUKS -> Physical Volume -> LVM Volume The logical volumes are: / ...
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68 views

Lenovo W540 w/ Dualboot Win7/Ubuntu 15.04 restarts 3 seconds after Grub

I have a Lenovo W540 which is almost 3 years old and has served me well so far. 2 weeks ago I finally got around to reinstall Ubuntu on it and I went with 15.04 (previously I had an old version on it ...
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31 views

I have 2 GRUBs on different HDD. How to make one common?

So, I had dual boot system : Window 8 and Arch (both on the /dev/sda, but different partition). As far as I know, grub was installed on the partition with Arch, because I added windows boot loader ...
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67 views

No GRUB menu on boot - PC directly boots to Windows

I have ubuntuGNOME 14.04 alongside windows 8.1. I've been using it for about a year now. Earlier today, I noticed that GRUB OS selection menu doesn't appear anymore. In order to rectify the issue I ...
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137 views

Volume group holding /root not found on boot

I've just installed Debian 8 on a flash drive: here is how I have partitionned it: iago-lito@opak$ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 ...
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113 views

Remove 'Windows Boot Manager'

When I wanted to dual boot Windows 10 and Kali Linux, I have done the steps in this guide, I had finished it, but my computer will still boot into Windows 10. Whenever I would boot off the hard drive, ...
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1answer
1k views

Dual boot system: Grub doesn't detect Windows 10

I have a dual boot system on a Lenovo G50-45 laptop with Windows 10 and Linux Mint 17.2. It worked fine briefly but after upgrading Linux, something broke it. Below, please find my boot-repair log. ...
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98 views

How to make keyboard working in GRUB 2?

I'm using Windows 10 Home parallel with Ubuntu 14.04 on Lenovo ideapad S400. Every time grub bootloader appears I'm not able to select operating system, because keyboard is not working, so it always ...
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235 views

Kernel panic on MacBook Pro with Mac OS X 10.10 (Yosemite), and also with Ubuntu 15.04 (64-bit)

I had a kernel panic on my MacBook Pro, which led me to erase everything from it, and install Ubuntu 15.04 (64-bit) on it, from the mini iso, with the choice of erasing everything on the hard drive. ...
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1answer
111 views

Invalid partition table after triple boot

My setup was running fine with windows 7, Linux mint 17.2 and Kali linux. I was using mint's grub2. Only one HDD. Then I reinstalled Kali (due to changing partitions stucture a bit: created an ...
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2answers
48 views

Accidentally deleted easybcd folder [duplicate]

I was trying to make a dualboot with ubuntu and windows 10. I didn't want the easybcd bootmenu but the grub so i deleted easybcd and other folder(I dont remember the name but it was in the C drive) ...
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7 views

GRUB not listing extended partitons

So I just installed Arch Linux on a external drive. I created a extended partition and created swap and root partition inside. There is another partition with old files. The problem is GRUB doesn’t ...
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1answer
581 views

Change the keyboard layout of GRUB in stage 1

I installed grub on a EFI based system. So I have the EFI partition on /dev/sdc2 and my LUKS container in /dev/sdc5. I have only one linux partition in the LUKS container. So even /boot with the stage ...
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28 views

KaliLinux only boots from flash drive

I've finally "successfully" installed Kali Linux onto an older HPG60 that originally ran Win7, from a mulitboot flash drive. Now after I downloaded all the packages I needed, and restarted the PC it ...
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3answers
839 views

How to boot a Linux system without graphical server

I'd like to know what should be done to boot a Linux system on a CLI environment, without also starting the X graphical server. I'm interested in a temporary-only solution, ideally a command, or a ...
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1answer
69 views

will Kali linux GRUB make changes to MBR on windows OS

I am new to Kali Linux and am trying to install it in a Virtual Box on my windows 7 system. My question is will Kali linux GRUB make changes to the 'Actual' MBR on Windows OS when I am installing ...
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1answer
2k views

Change bootloader (remove Grub) with dual boot Windows 10/Linux Mint 17

I have a laptop that runs Linux Mint 17 and Windows 10- that is to say Windows 7 "upgraded" to Windows 10 such that the bootloader shows Windows 7, instead of Windows 10. I want to uninstall Linux ...
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3answers
101 views

Add additional boot option to Grub for X32 extensions?

I work with a free/open source project. A Debian maintainer reported a failure under X32 (not a typo; its not X86), and I'm trying to set up a test environment to reproduce it. According Debian's X32 ...
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465 views

Can't boot into windows months after install Kali on a partition

A few months ago I installed Kali and GRUB using this tutorial, http://docs.kali.org/installation/dual-boot-kali-with-windows and it's been great, but recently after about two weeks of not using ...
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Using GRUB to boot into encrypted windows disk

This is similar to other questions already asked here before. Still none of them actually answered my problem. My PC has two SSDs. One containing Windows 7, one containing Kubuntu 15.04. The Linux ...
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1answer
68 views

Win7 cannot sleep because of GRUB [closed]

I have Win7 on an MBR HDD for 6 years now, that was my primary operation system, but I intend to use Linux instead. At least I am trying out several Linux distros on another HDD, which I set to GPT ...
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24 views

corrupted filesystem in Ubuntu

I was using Ubuntu 15.04 in a Vmware virtual machine. In the last three shutdown processes, they spent extremely long time, therefore, I forced the VM to shutdown by pressing the shutdown button in ...
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80 views

Cant boot win after installing kali linux?

I recently tried installing kali linux on JP notebook, but during installation of kali linux the installation of grub failed now. Now on rebooting i got message "No boot-able device found please ...
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1answer
242 views

low resolution on Ubuntu and nomodeset before it

when i was in grub of the USB flash every time i chose try Ubuntu live or install Ubuntu the screen goes black i searched for solution and i found nomodeset option for it, i installed Ubuntu normally ...
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77 views

QEMU using GRUB not responding to keyboard input

My operating system is Windows 7, but I am running QEMU inside VirtualBox because for several reasons that do not need to be listed here. Let it be known that I have run QEMU using the UEFI OVMF as ...
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0answers
11 views

Error while trying to ./configure (installing bootloader manager)

I'm having a problem with my bootloader - I have installed android along my other OS and if I install grub ( which comes with it ) my boot menu disappears and I can only access android through its ...
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38 views

Install Linux /boot to Custom Directory Within A Partition?

I have 3 Linux variants I would like to install (Kali, Fedora, and ArchBang). My laptop has 2 internal HDDs. My partitioning style is BIOS/MBR. The first drive currently has Windows 7, an empty ...
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1answer
103 views

Trying to get back to Win 7 after deleting Ubuntu 15.04. Can't get past “grub rescue >”

I wanted to go back to an all Windows machine after trying Ubuntu 15.04. It was a good experiment, but not for me. I had installed Ubuntu 15.04 on its own partition and it put in a dual boot menu. At ...
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2answers
2k views

Installed Linux (Apricity OS) regret it and now I want Windows back

I’ve installed Linux (Apricity OS) and now I regret and want Windows 10 back. I created a bootable USB disk with Windows ISO and when I try to boot to it GRUB loads and let me choose to boot only to ...
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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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1answer
104 views

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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1answer
198 views

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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74 views

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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80 views

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 ...