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.

learn more… | top users | synonyms

0
votes
0answers
9 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 ...
-1
votes
0answers
7 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.
1
vote
0answers
9 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 $ ...
0
votes
0answers
21 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, ...
-1
votes
1answer
52 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 ...
0
votes
1answer
17 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 .
0
votes
0answers
66 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 ...
0
votes
1answer
27 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 ...
0
votes
1answer
75 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 ...
2
votes
1answer
163 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 ...
0
votes
2answers
8 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 ...
2
votes
0answers
139 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 ...
0
votes
0answers
12 views

How can I change the startup options on a (L)Ubuntu bootable USB drive?

I'm trying to install either Lubuntu or Ubuntu on an old Dell Netbook which has a 32-bit processor and 1 GB of RAM. I copied the Lubuntu ISO to my USB flash drive using a 3rd party program called ...
1
vote
1answer
41 views

boot loader(GRUB) not recognized in partition along with windows boot manager

First, I'll explain my situation Device: ASUS x205ta with 32GB eMMC (Windows 8.1+Bing installed). Lets call this /dev/mmcblk0 usb flash drive: 64GB Sandisk ultra. installed Ubuntu 14.04. Lets call ...
2
votes
3answers
638 views

Would a Windows 10 install overwrite Linux/Grub?

I'm currently multi-booting Windows 8.1 and Ubuntu. Next Wednesday, I plan to upgrade Windows to version 10, but before I do that I'd like to replace Ubuntu with Arch Linux. Is there any point in ...
0
votes
0answers
11 views

Unable to install grub for Archlinux on vmware fusion

I am trying to install Archlinux on vmware fusion. Everything went well until I had to install grub. The problem is when I try to run: grub-install --no-floppy --recheck /dev/sda I get the following ...
0
votes
0answers
14 views

Linux/Win Dual Boot: Install Visual Studio 15 with GRUB

This is kind of an assumptive question and I have done some cursory searches but most of the results were more about how to dual boot, not this specific question. I have a Debian/Win 8.1 setup ...
1
vote
1answer
23 views

Grub won't boot after patitioning Windows 7

I partitioned my Windows 7 into two drives using Minitool Partition Wizard. I also have a Ubuntu partition on the same computer. After the partition was over, it restarted into the Grub rescue mode ...
0
votes
0answers
19 views

How to get Grub 2.0 to see usb device on (USB 3) expresscard

Im runing ubuntu off of a usb flash drive. My laptop does not support booting from my expresscard (nor has any usb3 ports other than what i have added via my expresscard). I'm using Grub 2.0x that ...
1
vote
0answers
32 views

Linux and Windows EFI - Not enough space

I already have Windows installed on my machine, and I'm trying to install an EFI boot manager such as Grub, rEFInd, or gummiboot on Arch Linux. Whenever I try to install any of these three options I ...
0
votes
2answers
23 views

Do I need two /boot partitions for a dual boot system

The current partitioning as shown in Gnome Disks is: /dev/sda1 Linux Bootable 500mb /dev/sda2 Linux LUKS Encryption 478gb (this is LVM) Free Space 21gb In /dev/sda2, there is /, swap and /home. I ...
-1
votes
1answer
33 views

Triple boot laptop no longer boots after deleting partition

I am facing a problem on my Lenovo laptop Model No : G500. When I press the power button, then the lenovo screen flashes and the laptop further does not boot,the lenovo screen freezes. It also does ...
0
votes
0answers
24 views

ubuntu, login, instant power off! ubuntu just did updates… dual boot windows working

Boots up past grub fine, gnome loads...loads.. shows my user account for a split second then click, system turns off instantly. just did a system upgrade/update. no weird software installed. running ...
0
votes
0answers
18 views

Graphics screen instead of GRUB 1.98 for dual boot Ubuntu/Windows

I want to have some graphics instead of a regular GRUB screen when selecting which operating system to boot. I know about grub_customizer, but it doesn't really do what I need, it's pretty limited in ...
0
votes
2answers
37 views

I can no longer access the BIOS (Computer Freezes)

I have a new Lenovo T440 with Windows 8.1, I have installed Fedora 22 to have dual boot, I started playing around with grub2-customization and some of the BIOS settings (secure boot and legacy vs ...
1
vote
1answer
144 views

Ubuntu 15.04 (Vivid) is so slow at startup

My laptop is Dell Inspiron N4050 that its RAM was upgraded to 8 GB. I have dual boot OS (Win8 and Ubuntu). My laptop is so slow when booting from Ubuntu It takes about 2 minutes but Win8 will boot at ...
0
votes
0answers
20 views

Multiple Windows EFI entries in GRUB

I have bought a new pc and installed Linux and Windows in dual boot mode. I have installed Windows 8 (which I upgraded to 8.1) and afterwards I installed Xubuntu and selected the Windows disk as the ...
0
votes
0answers
35 views

Boot fully encrypted Windows 8+ with GRUB without password using keyfile

I have a current setup so that my entire linux (including /boot) is encrypted and when I first start grub a password is needed to access /boot from my linux partition. But my entire windows partition ...
1
vote
2answers
39 views

Restore Windows bootloader on Virtual Machine [duplicate]

I recently p2v'ed my old Computer into a virtual machine. Since it had a dual-boot and I only copied the Windows partition this broke GRUB. I can still boot Windows with Rescatux though. So my ...
0
votes
2answers
91 views

Dual boot Windows 8.1 and Ubuntu

I just got a Lenovo X1 Carbon and I am flabbergasted on dual booting -- having the record in the boot manager. Cliff Notes It came with Windows 8.1. I shrunk the Windows partition (within windows ...
0
votes
1answer
29 views

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 ...
0
votes
1answer
32 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 ...
0
votes
1answer
105 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 ...
0
votes
0answers
51 views

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 ...
0
votes
1answer
46 views

unknown filesystem grub rescue ubuntu

I have linux under windows partition. I have 4 disks in which one of them windows is installed and 2 for data. Another one is 15GB hard drive, Which always asks me to format either I open it in ...
1
vote
1answer
38 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 ...
0
votes
1answer
43 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 ...
0
votes
0answers
36 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 ...
1
vote
0answers
57 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 ...
1
vote
0answers
25 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 ...
1
vote
0answers
58 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. ...
1
vote
1answer
70 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 ...
2
votes
0answers
245 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 ...
0
votes
1answer
69 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 ...
1
vote
1answer
30 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 ...
4
votes
2answers
132 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. ...
1
vote
1answer
65 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 ...
4
votes
2answers
215 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: ...
0
votes
0answers
35 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 ...
0
votes
1answer
304 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 ...