GRUB2 is the next generation of the GRand Unified Bootloader (GRUB). Ubuntu has used GRUB2 as the boot loader since 9.10 (Karmic Koala). Commonly referred to as simply "GRUB".

learn more… | top users | synonyms (2)

1
vote
0answers
39 views

Multiple boot options for Windows 8.1 along with Ubuntu [duplicate]

I was a Windows 8.1 user. Recently I installed Ubuntu 14.04 and now I have both windows and Ubuntu. Both are running well without any issues. The problem is, while booting I can see two options for ...
0
votes
3answers
41 views

bypass boot menu by listing all operating systems at grub menu

i have installed two windows operating systems (windows 7 and windows server 12) then i installed ubuntu 14.04. all are working fine. but now the problem is when my computer starts first grub screen ...
0
votes
1answer
46 views

Ubuntu 14.04 wont boot after entering harddrive encryption password

I have installed 14.04 LTS on to my Samsung 850 pro SSD and it was working fine then last time I booted it, it took three attempts to boot. Basically the request for the password appears and I enter ...
0
votes
1answer
28 views

grub2 failed to boot Windows 8 and got blurred screen

Grub2 failed to boot Windows 8 and my computer got a blurred screen. Such problem happens to Windows 7 and XP too. I don't know thy only a few computers have this problem. I have searched a lot ...
-1
votes
0answers
39 views

WinUSB Error 512, different from other 512 erros I have seen?

I'm trying to install a windows 7 iso on a usb so I can install it on one of the partitions on my hard drive. I saw a few different 512 errors on here but they had different messages. Any help would ...
0
votes
0answers
10 views

Will not boot beyond GRUB command line

Upon installing rEDIt and Ubuntu on my Mac OS X Yosemite from a disk, Ubuntu Asked me to update. I say yes and it loads for a bit and flashes to a purple outline on a black box and sits there, I ...
2
votes
0answers
36 views

System freezes during booting everytime (Ubuntu 14.10) [duplicate]

Acer aspire E5-571G-36L5 Message: "Kernel panic - not syncing: Attempted to kill init!" Already tried: That libre office quick start is disabled Different options in gru config file item ...
1
vote
2answers
39 views

Reinstall Ubuntu 14.04 without cd or usb. (Windows installed aside it)

My Ubuntu installation is currently ... a mess. There is no other way to put it. So I want to reinstall ubuntu. Unfortunately I lost my install dvd a while ago and I don't have another dvd. I also ...
0
votes
0answers
44 views

Installing ubuntu 14.04: Creating custom “Boot” partition [closed]

I am installing Ubuntu 14.04 on my computer. I have 4 disks, all formatted and they are in a RAID5. When installing Ubuntu, grub glitched somehow when ??downloading that our Ubuntu setting windows ...
-1
votes
0answers
12 views

Ubuntu Dual boot with Ubuntu

Im new here, and this is my first question, hope i will get an answer :) i had first ubuntu (U1) installed on my laptop and i installed after that Windows 7 So i notice that i can no longer access ...
0
votes
1answer
45 views

Computer only runs memtest, cannot find files in grub

I rebooted my computer when I left work one day, and, when I came back, it was running memtest. It had been running memtest for just short of two days. I've entered the grub menu. grub> ls -l ...
0
votes
0answers
23 views

Can't enable laptop webcam and bluetooth with fn keys

I already researched a bit and tried some solutions like editing /etc/grub/default with: GRUB_CMDLINE_LINUX_DEFAULT="quiet acpi_osi=" And: GRUB_CMDLINE_LINUX_DEFAULT="quiet acpi_osi=Linux" But ...
0
votes
1answer
153 views

14.04 Freeze on Splash after Installing NVIDIA Drivers

First of all, I have looked at a bunch of threads that are similar, but none of the solutions work for me. I am trying to install nvidia drivers (nvidia-340, specifically) but when I reboot the system ...
0
votes
0answers
68 views

Ubuntu 14.04.1 LTS installation fails to configure Grub

Couple days now I've tried to install Ubuntu 14.04.1 LTS for my work computer. After couple hiccups the installation finally seemed to go through fine. But now it seems that the in boot sequence the ...
0
votes
1answer
33 views

GRUB Failing to Boot to graphical interface [duplicate]

First time install. Have attempted to install UBUNTU 14.04 server version from a USB key a couple of times now. After installation it would appear the Grub boot process fails and the screen goes into ...
1
vote
1answer
32 views

Not able to Boot Ubuntu after BIOS update

Device name: HP Pavilion 15-n205tx Notebook PC I have installed Ubuntu 14.10 and everything was OK but after I have updated my BIOS, it gave me an error that file is missing or corrupted.. and it ...
0
votes
1answer
26 views

How is Grub updated after each kernel upgrade?

How I think I got into the problem After the system installation I proceeded to install upstream kernel, changed /etc/initramfs-tools/conf.d/resume by commenting out the RESUME... line and then I run ...
0
votes
0answers
13 views

Forgot my Ubuntu 14.04 password - no recovery mode [duplicate]

Here is the problem, I forgot my Ubuntu password. After doing some googling I found out to reset the password I need to access the recovery mode through the grub menu. However, back when I installed ...
0
votes
1answer
30 views

Massively broken boot and partition system

My machine has a single 2TB HDD, with 3 partitions: /dev/sda1 fat32 512MB /dev/sda2 ext2 244MB /dev/sda3 ext4 1.82TB My 14.04 was complaining of 0 bytes on /boot, so I went in and done a sudo ...
1
vote
0answers
36 views

How to repair grub to work with multiple hard drives?

On my computer I have multiple hard drives. One of them has Ubuntu 14.10 and the other has Windows 8.1. I messed up my boot loader and know only Ubuntu appears in the grub list. Windows 8.1 is on the ...
-1
votes
1answer
102 views

Problems recognizing Ubuntu Minimal (for Kodi/XBMC) when installing Ubuntu 14.04 Regular Desktop

my Goal: HTPC (2 Drives/ 1 minimal Ubuntu/1 Regular 14.04) dualbooting Steps i am Trying : A. Installing minimal Ubuntu Disk (XBMC/Kodi) /dev/sda B. Installing Ubuntu 14.04 on /dev/sdb Problem ...
0
votes
0answers
46 views

Ubunt boot encryption using LUKS

I have Mini PC (aka Intel NUC) to be deployed remotely. This will be a server and running a LAN application to store financial records. Clients can access this server for accounting and reporting. I ...
7
votes
1answer
293 views

What are the fields in the “Format Partition” window in the Disks utility for, and what do I choose?

I use 14.04 and I have 2 physical partitions, one of 243Gb and another of rest of 500Gb. I want to format the partition of 243Gb using Disks (Open dash and type disks). This partition contains ...
1
vote
0answers
44 views

How to blacklist zfs kernel module during boot?

How to disable ZFS kernel-module before boot in grub? It is mentioned that some modules can be disabled through grub command line in similar question. Unfortunately this method is not working with ...
0
votes
1answer
33 views

how to boot widndows 8 uefi fromngrub command line?

I have an emergency,I wanted to remove ubuntu from my pc, and I deleted the partitions of ubuntu, but now after a reboot, I'm stock in the grub command line I need to enter to my windows 8 partition, ...
0
votes
1answer
49 views

USB with Fake CDFS partition [closed]

First of all, please see this screenshot: What happened: I installed Ubuntu 11.10 on USB in USB disk. The Problem: I can not remove this CD drive partition, even after partition, it's still ...
0
votes
1answer
25 views

Expanding partition for more [duplicate]

I formatted the unallocated space to fat32 (don't know if that was right). Now I want to extend my dev/sda5 for more memory as I'm currently getting warnings about my low memory space. Above My ...
0
votes
1answer
54 views

Grub Rescue when trying to boot into my main drive

I installed the latest Ubuntu onto an External Hard Drive just about 30 minutes ago. The drive was sdc with a boot portion and a swap as well. Upon restarting my computer, I came face to face with a ...
1
vote
0answers
11 views

How can I stop KVM guest from pausing on grub menu

I'm using virt-manager to create a VM from a qcow2 image that I previously created. I pre-configured the image to skip the grub screen unless Shift is held down but the first time I launch the VM ...
0
votes
0answers
37 views

grub boot repair, change boot order in win7 uefi

I have a corrupted grub file; hoping the grub boot-repair will do the trick. I burned it to USB using unetbootin. USB will only load in legacy mode, but cannot perform the actual repair due to ...
0
votes
1answer
57 views

boot from usb on asus zenbook UX31A

Here is my problem. I have created a bootable usb of ubuntu 14 and I know it works because it works on another laptop. I just received an Asus zenbook UX31A with windows 8 on it. I disabled quick boot ...
0
votes
0answers
35 views

Cannot boot into windows technical preview after installing ubuntu 14.04

I have installed ubuntu 14.04 in a dell inspiron laptop. It came pre-installed with windows8 but i have updated it to windows 10 technical preview. I have installed ubuntu in a different partition. ...
0
votes
1answer
40 views

Restoring the bootloader and login screen of Vanilla Ubuntu after installing Ubuntu Studio

I have looked at many similar questions for a while, but I've been so far unsuccessful. I have recently installed Ubuntu Studio after installing Vanilla Ubuntu 14.04, and I am quite new to Ubuntu, ...
0
votes
0answers
15 views

How to fix Grub problem on dualboot?

I have a dual boot of Win7 and Ubuntu on my desktop. I want to install Ubuntu alongside windows and on restart I got a different black Grub screen instead of the usual purple one. (GNU GRUB version ...
0
votes
0answers
44 views

Can't boot using a live USB, error: file '/grub/i386-pc/normal.mod' not found

I'm trying to fix GRUB after installing Windows 8.1 alongside my Ubuntu install. I installed Windows 8.1 second so the windows boot manager replaced grub. In the past I've just created a live USB, ...
0
votes
1answer
41 views

Dual Booting UEFI After bad Install, What happens to old Boot Loader?

The short: I accidentally installed 32bit 12.04, and choose to 'install boot loader' on the dev/sda (or 'main' the one that has all the memory) drive. Both windows and ubuntu work, only after changing ...
0
votes
1answer
36 views

Moved Wubi to different partition, unable to boot after editing grub

So, I've tried to move my wubi installation between disks and followed this: Move WUBI installation of Ubuntu to a different partition in Windows However once I start applying the edits to the grub, ...
1
vote
0answers
89 views

Cannot get grub to show up (directly boots to Windows 7 instead)

Every time I try to boot, my computer goes straight into Windows 7. I had Windows 7 installed and installed Ubuntu 14.04 afterwards, but grub does not show up on boot. Tried holding shift, messing ...
0
votes
1answer
58 views

Can't install from usb after messing up UEFI

I messed up my dualboot while experimenting (I still have Windows 8 installed) and now I want to: remove GRUB that's still lingering on my laptop, be able to boot from usb again, install Xubuntu ...
0
votes
0answers
51 views

Ubuntu UEFI boot on ASRock Z77 Extreme4 motherboard

I have an ASRock Z77 Extreme4 motherboard with Windows 7 installed on an SSD. I bought a 1TB HDD to install Ubuntu on. I have it installed and the OS itself works just fine (I have confirmed this by ...
0
votes
0answers
34 views

triple boot (windows 8, ubuntu, fedora)

I had a dual boot winwdows 8 ubuntu 14 and everything worked fine. Now, i created a new partition and installed fedora for a triple boot. Results: boot only give me the possibility to boot in ...
0
votes
0answers
36 views

windows 8 not appearing in grub menu after reinstalling ubuntu

I have used boot-repair-disk and now the grub menu appears but windows 8 is missing. Here is the output from boot-repair: http://paste.ubuntu.com/9999740/ Thanks for any help in advance.
1
vote
1answer
23 views

grub not loading with SHIFT after file modification

Attempt to overcome blackscreen I ran the following steps created file /etc/grub.d/01_915resolution wrote the following lines into the file echo insmod 915resolution echo 915resolution 58 1366 ...
0
votes
0answers
31 views

Unable to dual boot with Windows 8 and Ubuntu

I apologize if I'm asking a question that's already been answered. I've scoured the forums and done multiple searches but can't find anything related to my situation, or if it is I don't know how to ...
0
votes
1answer
35 views

Asks password when trying to install Boot-Repair

I'm trying to install Boot-Repair directly from Lubuntu, but after typing the line "sudo add-apt-repository ppa:yannubuntu/boot-repair" in the terminal (as suggested here: ...
0
votes
2answers
105 views

rEFIt - rEFInd - Grub2…what is the “right way” for Ubuntu 14.10 on a Mac:

Can someone please help me to understand the “right way” (if there is such a thing) to run Ubuntu on an EFI computer (specifically a 2012 iMac -- I have Ubuntu 14.10 installed on this iMac, on ...
0
votes
2answers
55 views

grub can't find grub.cfg when booting from zfs root

I installed Xubuntu 14.04 on a ZFS-root following these instructions using ZoL's Debian repo: https://github.com/fajarnugraha/pkg-zfs/wiki/HOWTO-install-Ubuntu-to-a-Native-ZFS-Root-Filesystem The ...
0
votes
0answers
33 views

Ubuntu 14.04 Rebooting Not Working

When ever I reboot Ubuntu (not shutdown but reboot), my computer hangs. It hangs before grub even comes in to go to Ubuntu. I then have to manually do a hard shutdown and power it back on and it boots ...
0
votes
0answers
20 views

Boot fail running 14.04 - have boot-repair pastebin

Not sure where next to turn I've tried boot-repair and been given then the pastebin info http://paste.ubuntu.com/9972046/ The error message is that /dev/mapper/ubuntu--vg-root can't be found I can ...
1
vote
1answer
79 views

efibootmgr cannot launch OSX yosemite (only showing folder image with question mark)

I have a macbook pro with freshly installed yosemite (100 GB) and freshly installed Ubuntu. To boot I use efibootmgr. My partition layout is: /dev/sda1 40 409639 409600 200M EFI ...