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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Install windows7 and ubuntu 14.04 on a computer which already has windows and ubuntu 12.04 installed

I have installed windows 7 and ubuntu 12.04 in 2 separate partitions in my machine and I can access both using the GRUB. Now I want to re-install windows 7 and ubuntu 14.04 to my machine. What is the ...
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1answer
28 views

Cannot boot ISO on only one machine

I have a version of Ubuntu 14 on DVD and USB to boot from. This ISO boots from other machines via both DVD and USB, but it will not boot on the particular Dell I need it to. Initialization crashes ...
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1answer
25 views

GRUB2: /boot as BTRFS subvolume

Aside from /boot, all my partitions (including root, /) are BTRFS subvolumes. I'm switching to BTRFS RAID1, and for the sake of integrity, want to include /boot within the BTRFS partition. Preferably ...
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showing unknown file system entering rescue mode .. grub rsescue

i have an error on the starting of my laptop screen window which is unknown file system entering rescue mode.. grub rescue< i had seen many videos on youtube which runs some command for resolving ...
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1answer
29 views

Reinstalled windows 7 now can't get access to dual boot [duplicate]

I had a dual boot setup with a Debian based distro (crunchbang) as primary and win 7 also installed. Recently I reinstalled win 7 on it's existing partition but now the boot loader is gone and win 7 ...
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1answer
22 views

Kali Linux and Win 7 dual boot, I want to change the active partition and bootloader, not sure in what order

I created a partition for Kali Linux and a Live USB. I used the Live USB, was intrigued by what I saw ( first time ever seeing Linux ) and chose to install but the install wouldn't complete. Several ...
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20 views

MacBook Pro - Install CentOS 5.7

Apologies if this appears to be solved by Google searches, but I've searched and tried all sorts of suggestions for 2 days and still cannot get this right. I would like to install CentOS 5.7 on my ...
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0answers
36 views

GRUB 2 stops dual booting Windows 8

I own a laptop with two hard disks. Windows 8.1 is installed in UEFI mode on the first disk, and I recently installed Gentoo on the second one. Now I want to be able to select the OS on boot in GRUB2 ...
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0answers
20 views

Minimal linux USB with Grub

I've been using this site for quite a long time now, and today I have a question for you. I have several PCs with dualboot between windows and Linux, and recently after upgrading one to windows 10 my ...
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0answers
46 views

Triple-Boot Windows 7, 8 and Ubuntu 15.04

I bought my computer with Windows 8 installed and I've dual-booted it with Ubuntu 15.04. My computer has an mSATA drive which complicated the process of dual booting ubuntu but I got there eventually. ...
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1answer
49 views

Dual Booting Windows 7 & Ubuntu

So I had a dual boot, on separate drives, for Ubuntu 14.04 LTS and Windows 7 Pro (all 64bit). My Windows install had come first, and then Ubuntu. This was a year or so ago. The other day I felt it was ...
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118 views

Restore MBR on a Toshiba Satellite Click Mini laptop with Windows 8 after uninstalling Debian 8 using EasyBCD

The Toshiba Satellite Click Mini is a special computer, it doesn't have any CD/DVD drive and the BIOS is special and very limited, it looks like this: When I select "Enter Setup" I have a menu like ...
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1answer
36 views

root encryption with LUKS: root partition not found

The layout of my only disk is the following: /dev/sda1 for the plaintext boot partition /dev/sda2 for the encrypted root partition My system is ArchLinux and I followed this guide to set up root ...
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1answer
28 views

how can I shrink logical volume and create new partition if the logical volume to shrink is present in the middle?

I have a HDD of size 120Gb, that has RHEL6 with 2 physical partitions sda1: /boot sda2: LVM managed Logical volumes VolGroup00 VolGroup00 contains following logical volumes /lv_root 36G /lv_opt 45G ...
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2answers
122 views

Computer does not boot after changing hdd and reverting back

1) I have an existing HDD in my computer that dual boots linux and windows using the traditional bios way. 2) I then took out the existing HDD and swap in a new HDD to install linux on it with uefi. ...
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1answer
45 views

How do I force GRUB to keep video mode after switching to the OS?

I use GRUB as a bootloader for my custom OS. I want it to enter graphics mode for me so I don’t have to do it myself in my system. However, before GRUB passes the control to the OS, video mode is ...
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2answers
157 views

Enable Fn-Brightness Buttons Ubuntu

I am trying to get the Fn+F5 and Fn+F6 buttons to work on my ASUS UX305F laptop running Ubuntu 14.04. I have tried adding all of the following to /etc/default/grub without success: ...
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30 views

How to get RUFUSLDR to load from Grub2 on USB

Well last week i came across a few issues with my old Acer One notebook and so i would like to install Windows XP on it. Current Tools and Software at my disposal are: 64Gb PNY USB Flash Drive Kali ...
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1answer
142 views

Install Grub2 (with EFI-IA32 support) to the ESP partition from within Windows 8.1 (32-bit) - Bay Trail tablet

This is a very complicated idea, and it's been stuck in my head for a while now, so bear with me. In this question, when I say "Grub2", I am referring to the "EFI-IA32 version". The device I will be ...
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1answer
49 views

Install grub raid1 & lvm

I have installed an Ubuntu Linux on a machine where there was a RHEL (from Dell) At the end of the installation I got a message that GRUB2 could not be installed. So I booted into a Live Linux (from ...
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1answer
27 views

How do I boot from a SD card with grub?

I wanna boot from an SD card in my PC's internal SD card reader. Is it possible to boot from the SD card like from a Hard disk ? Is there a specific "command" or something like that? (e.g. hd)
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How to move bootloader from hard drive to usb stick

I've decided to move my Debian bootloader and /boot from hard drive to usb. I'm using LUKS to crypt my hard drive and the bootloader is the only not crypted partition. How can I easily do this? I ...
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1answer
31 views

How to change to grub bootloader from windows bootloader

I have ubuntu, linux mint and windows 8 on my computer. A few days ago my windows installation failed, so I reinstalled it on the 500GB partition. My hard drive is 1TB. Windows is 500GB, Ubuntu is ...
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1answer
43 views

YUMI multiboot usb path issue

I was create multiboot usb with YUMI software. My bootable usb dir; /bootwin7 /bootwin8 /multiboot in bootwin7 folder; /boot /efi /sources /bootmgr /bootmgr.efi in menu.lst; #start Win7SP1 ...
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39 views

Does UBUNTU partition (with GRUB) affect Windows 8.1 Sleep/Shutdown/Hibernate behavior?

I have a UBUNTU and Windows 8.1 dual boot installed on a dell Inspiron 14 5000. I'm considering removing UBUNTU though (although I am happy with it) because Windows is unable to consistently remain in ...
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0answers
107 views

Grub2 with Kali, how to boot into Windows 7

I will preface this with saying I am new to linux. I had windows 7 installed on my main SSD, I wanted to give Kali a try so I installed that on a 2nd SSD. When the option to install grub2 came up, ...
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1answer
68 views

Why grub stuck at boot using UEFI, and with VGA unplugged?

I want to make a headless server using Debian 8 (Jessie) in an UEFI machine. After installation the machine boots only with a VGA plugged.
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30 views

Can I use a mouse on BURG?

Some users don't understand that you can only use the keyboard on BURG, and I was requested to enable the use of the mouse in it. Is there some way to enable the mouse in BURG?
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2answers
27 views

GRUB starts every other time

My ubuntu install only gets to the grub menu every other time (sometimes not even). The other times it shows a blank screen with a strange line of artefacts along the top. I'm not sure how to ...
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88 views

Windows 8.1 won't shut down or hibernate after dual booting Ubuntu. Hybrid boot issues?

So I installed Ubuntu 15.4 on a different partition just like I used to do with Windows 7. I'm using GRUB 2 to choose the OS and I can boot into the two operating systems just fine. When I try to ...
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55 views

Change /Proc/cmdline from initramfs

I have a remote computer on which I changed the LVM partitioning. Everything was working just fine until I tried to reboot. I'm getting this : ALERT! /dev/disk/by-uuid/<uuid> does not exist. ...
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35 views

Completely uninstalling Windows 8.1 + Prepare automatic recovery

My computer earlier was on a dual boot with Windows 8.1 and Ubuntu 14.04. But then I uninstalled Windows 8.1 to replace it with some other Linux OS. I don't know whether what I did was proper ...
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1answer
45 views

GRUB Bootloader not loading

I had 2 partitions Partition 1 - Ubuntu Partition 2 - Empty So I installed Windows 8 on 'Partition 2' and now I can't load the Ubuntu OS as it directly loads Windows. How do I get back the Grub ...
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1answer
126 views

chainloader and efi boot partitions

My recent attempt to install a multi-booting system onto my twin disk rig failed, though I had successfully installed Ubuntu, Linux Mint and Peppermint on disk 1, updating grub afterwards. When I ...
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197 views

error: no such device … entering rescue mode … grub rescue

EDIT After trying out these instructions still not working: http://askubuntu.com/questions/88384/how-can-i-repair-grub-how-to-get-ubuntu-back-after-installing-windows The error during grub ...
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0answers
51 views

How do I boot from a different disk?

I have a working Debian installation. It boots from /sda using GRUB2, with the root partition on sda1. Its a standard install, nothing strange. I've added a 16GB mSATA device which appears as sdc. I ...
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1answer
54 views

How to add Windows to grub?

The following is the list that I got when I executed the command sudo fdisk -l: Disk /dev/sdc: 120.0 Gb, 120034123776 bytes Id disk: 0x975e4baf /dev/sdc1 * 2048 206847 102400 17 ...
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windows 8 was updated to win 8.1 and now error with ubuntu 14.04 LTS

on a HP 255 laptop i had installed ubuntu over windows 8 it worked fine untill win 8 one day it was automatic updated to win 8.1 now there is a problem with ubuntu 14.04 LTS error: uknow filesystem. ...
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1answer
81 views

How to restore MBR and boot windows 7 from GRUB rescue?

I have a dualboot system with ubuntu and windows 7, I wanted to remove ubuntu so I removed the linux partition from disk management from windows, after reboot I'm stuck in GRUB rescue. How to boot ...
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1answer
83 views

Why I can boot various kerel versions but not XEN kernel in grub2

I have successfully compiled XEN usigng following steps: wget http://bits.xensource.com/oss-xen/release/4.4.1/xen-4.4.1.tar.gz tar xzvf xen-4.4.1.tar.gz cd ./xen-4.4.1 export ...
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37 views

Windows 7 screen not displayed after installing Ubuntu

I bought a new Lenovo laptop with DOS and I wanted to make it dual boot (Ubuntu 14.04 and Windows 7, both 64 bit). I took the following steps to install both systems: Installed Windows 7 OS ...
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2answers
855 views

grub2-install: “this GPT partition label contains no BIOS Boot Partition”

There seems to be quite a bit of discussion about this but I can't find a simple answer. When I try to install grub2 I get this error: # grub2-install /dev/sda Installing for i386-pc platform. ...
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1answer
17 views

Is there a way to install Windows from separate partition that boot with GRUB?

There are some ways to install Linux. It can be installed from LiveCD, USB, bootstrap or separate partition that contains Linux installer. For Windows, I found (when googling) a way to install it ...
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1answer
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Is there a way to tell whether my EFI bootloader would accept the signature of the binary without reboot?

Assume that I have just installed a signed EFI bootloader (e.g. grub2 from Ubuntu 14.10 amd64 on a Lenovo IdeaPad U410 which can only boot in secure boot EFI or legacy mode) on a machine from within a ...
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1answer
49 views

GRUB shows up unexpectedly when booting after CMOS Reset

Basically, my computer has 3 hard drives. 2 HDDs, 1 SSD. Years ago, I installed a Linux partition on one of the HDDs, but decided to move back to solely using Winodws(gaming pc) and removed Linux from ...
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1answer
15 views

Get Logical Volumes Group name in legacy grub

I am currently in GNU GRUB v0.97 Restore mode and I have CentOS 6.5 installed with /boot partition separated and rest of filesystem is in Volume Group. But, I dont remember volume group name, is there ...
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62 views

Install Kali Linux on a Surface Pro 1

I really need your help; thanks in advance to anyone who can give me a hint! I want to install Kali Linux on my Surface Pro 1. I found loads of tutorial with different sequence and tool used in ...
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1answer
50 views

Awful beeping sound on boot

I formated the entire hard drive and installed Ubuntu 14.04 in a Macbook 5.2. Ubuntu boots decently fast, however there is a disconcerning garbled image on screen: After that Ubuntu runs fairly ...
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43 views

Lightweight linux preboot environment?

I was wondering if there was any way to setup a light, low resource linux environment that'll have basic features like a web browser but can boot into a full linux distro or Windows if I need a more ...
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18 views

Windows not working after installing Ubuntu (BackTrack)

Firstly I have windows xp installed. Then I installed Ubuntu. So it become dual boot. Ubuntu works fine, but now I can't get into Windows xp. Altough windows option is available on GRUB linux option. ...