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
6 views

Changed part I on type, can't boot into my operating systems

Changed partion type from "logical" to "primary" and now I get the grub rescue command Line. I can't do anything with my computer at the moment so it would be appreciated for some help.
0
votes
0answers
10 views

Error: ELF header smaller than expected

Well, I'm a total noob in everything that has to do with technology so please don't hate me and explain like I'm a child :(. I had a power cut in the house and when I turned on my notebook again ...
0
votes
1answer
13 views

Upgrading from 10.04 Server to 14.04

I have an Ubuntu dedicated server hosted at GoDaddy. I wish to make an upgrade from 10.04 to 14.04, however each time I login over SSH, I get the notice to be careful if I upgrade because I have ...
0
votes
0answers
9 views

GRUB2 /etc/grub.d/ 40_custom multi-boot

I am adding GoBoLinux to Windows Vista and Ubuntu 12.04 with GRUB2 on the MBR but I am not clear on the script or how to devise a script to replace 40_Custom. Loading the GoBo GRUB to it's own root ...
0
votes
2answers
57 views

Install Ubuntu but still boot into Windows 7 (No GRUB screen)

EDIT: Nothing was required my end, I have picked the best answer (Which I was going to do anyway) Thanks for the suggestions First of all I want to boot Windows only, I'm not having a duel-boot ...
1
vote
1answer
28 views

Ubuntu with system on mdadm, broken grub, won't boot

My old disc started failing so I decided to change it. While moving data to a new disk, seeing how big it is, I though it would be a good decision to split the disk and add some insurance with RAID1 ...
0
votes
1answer
24 views

Can't boot without another HDD

I've two problems: I took my old HDD and put it in a hard-drive enclosure. Then I connected this to an notebook which is running on Windows Vista. I also connected a USB stick with Ubuntu 14.04 with ...
-1
votes
1answer
15 views

After installing Ubuntu 12.04 pc goes in GRUB rescue

As a part of my school lab I did following: Starting off with win 7 installed Installed 10.04 in remaining space > worked Installed 12.04 in amother partition I created finished installation took ...
0
votes
2answers
20 views

Ubuntu installer overwriting Windows 8 bootloader on disk to which it wasn't installed

This all started when I went to install Ubuntu on a partition on my external HDD. In the Ubuntu LiveUSB's installer, the configuration was to create an ext4 partition in empty space on the external ...
1
vote
1answer
13 views

Blank screen trying to boot from CD for install

I am pretty convinced as to why LINUX flavors will never be mainstream for general consumers. It is because of problems like I am encountering. I download and the installer ISO and made the CD to ...
0
votes
0answers
21 views

Grub rescue no such device error

I'm new to Ubuntu and Linux. And I'm running into a Grub rescue no such device error. I have an older desktop with two hard drives: 60GB and 500GB (resp. sda and sdb). I think they're PATA. I can't ...
0
votes
0answers
14 views

Append options to GRUB_CMDLINE_LINUX_DEFAULT without modification on files

I want to add an option to GRUB_CMDLINE_LINUX_DEFAULT without modifying any files on the system. The reason is that I want to apply it by installing a driver package, but currently I haven't found any ...
0
votes
1answer
21 views

GRUB bootloader is not loading at startup

Please help. Right now I'm using Windows 7 but I want to switch to Linux. So first I tried to install Zorin OS. I successfully installed it by following steps: made live USB, install on free deleted ...
0
votes
0answers
16 views

recovery option not showing up in grub menu

I installed ubuntu 12.04 LTS and I remember I made the recovery partition but grub not showing recovery option I made recovery partition in /dev/sda2 ntfs and the label is HP_RECOVERY
-1
votes
0answers
45 views

Can't boot Windows 8.1 after installing Ubuntu 14.04

I had a few problems with Ubuntu 12, so i installed Ubuntu 14.04. I had a problems with booting (Ubunut didn't start). I repaired Ubuntu boot with boot-repeair, but i think i destroy Windnows 8.1 ...
0
votes
1answer
16 views

I can't boot into windows: error: unknown command 'drivemap'; invalid EFI file path

I had Windows 8.1 alongside Ubuntu and all worked well. After a problem with my video configs I decided to unistall Ubuntu and I made a fatal mistake: deleted the Linux partition. After that I ...
0
votes
0answers
10 views

Plop boot menu in ubuntu

I have an old sony laptop that doesn't support booting from USB and its CD ROM drive is broken. Previously I was able to boot from USB through plop boot manager, but recently I deleted partitions and ...
-1
votes
0answers
14 views

Out of disk - grub rescue after reinstalling Ubuntu 12.04 & unable to install boot-repair

So I reinstalled Ubuntu 12.04 on my laptop because I thought that would fix sluggishness that started after I accidentally installed all the available updates. When I restarted the computer at the end ...
0
votes
0answers
21 views

Auto boot Linux. Hide boot menu with Grub 2

I've read the forum but it seems my grub boot menu doesn't follow the form of the config file. I would like the menu to not appear unless shift is pressed. My current /etc/default/grub is: ...
1
vote
0answers
20 views

Unable to boot after update

After a update, Ubuntu won't boot anymore and gives: error: could not read file. If I'm fast enough to press a button to continue, I get Kernel panic - not syncing: VFS: Unable to mount root fs on ...
0
votes
1answer
23 views

Boot into windows using grub1.99-21ubuntu3.14

I had a working grub menu list, till I activated express ssd on my ultrabook with both windows 8 and ubuntu 12.04 Now i get a screen showing the minimal CLI mode which Im clueless about. Did try ...
0
votes
0answers
23 views

MacBookPro10,2 thunderbolt intel issue

I'm running (k)ubuntu 14.04 on a MacBookPro10,2. everything works great exceppt when attached to a thunderbolt screen I'm observing high fan naisle. probably caused by a kworker issue. powertop shows ...
1
vote
0answers
13 views

grub rescue out of partition

So I was installing Ubuntu 14.04 from an ISOBoot and the thing goes wrong, the PCs frozes just after setting the disk partitions< and after a while I decide to turn it off the hard way. So now I ...
0
votes
0answers
33 views

Ubuntu 14.04 dual boot won't work [duplicate]

At first, Ubuntu ran fine for me after finally configuring my options to on my Windows 8 to run on non-EFI settings. However Windows would not boot. I used the boot-repair utility in hopes of fixing ...
0
votes
0answers
11 views

Partition Scheme confusion

In this guide1, I'm following the Basic Partition scheme, it says: """ Primary Partition - 1Gb (1024Mb) of Free Space - bootstrap files, boot loaders and stuff you'll may need to run multiple ...
0
votes
1answer
18 views

Grub black screen [duplicate]

I start mine gisfriend's computer and all I get is a black screen with no cursor. Just a completely black screen. I hold down the shift key, but grub does not come up. I just finished installing the ...
0
votes
0answers
19 views

Ubuntu and Mint Dual Boot— GRUB rescue---LILO-GRUB2

I have long and interesting story to share and need desperate help. I consider myself n beginner linux user not absolutely a noob. I have dual boot system with Xubuntu 14.04 LTS and Linux Mint 13.10. ...
0
votes
1answer
21 views

Help booting from disk

I already have Ubuntu 12.04 LTS installed on my computer, but I would like to get Windows back onto it. The only problem is that I can't boot from any CD/USB/SD, all I get is the GRUB boot menu, ...
0
votes
1answer
15 views

unable to boot 12.04

I have my hp probook 445 g1 ubuntu installed factory state. I was running out of boot space on my PC so I installed ubuntu-tweak to clean it.But it didn't worked. After that an error symbol is placed ...
0
votes
3answers
51 views

Booting ubuntu iso file from grub menu

I follow Grub2 ISO boot guide https://help.ubuntu.com/community/Grub2/ISOBoot here is my menu for iso booting menuentry "Ubuntu 14.04 Live" { set isofile="/lilw/os/ubuntu.iso" loopback ...
-1
votes
0answers
14 views

restore partition table after error

Today while my pc make some system updates, electricity in my house goes down and my pc shoutted down. When i restart it, i wasn't able to log in: Grub does not find any partition, so i couldn't ...
0
votes
1answer
31 views

how do I boot ubuntu on an hp envy m6 with windows 8 originally?

I'm installing ubuntu on someones computer after repairing it as they asked, but I did not expect to need a password and boot into windows to be able to boot ubuntu. How do i configure it and get it ...
0
votes
0answers
19 views

Ubuntu 14.04 fails to live boot

Back story, skip I recently had a problem where my Windows 7 somehow shut down mid update. I almost never shut down my PC and Windows decided to update itself. Windows 7 was completely dead with no ...
0
votes
1answer
51 views

Dual Boot Ubuntu 14.04 and windows 8.1 issue

I have installed window 8.1 after cleaning my hard disk..and then installed ubuntu 14.04 with the help of ubuntu forum directions.. But after installing both, window 8.1 sometimes start and sometimes ...
0
votes
2answers
34 views

How do I install Ubuntu Studio to its own hard drive on a UEFI system?

I have tried this many times over but I can't seem to get this to work for my situation. Basically, I used to work with Linux but now I just use it to edit videos and photos in Ubuntu Studio. ...
0
votes
0answers
27 views

Black Screen with X cursor on boot up

I've just started using ubuntu as my main daily driver and have almost worked our the kinks. There's one that is persistent though - I cannot boot using normal methods. I get booted into a black ...
0
votes
1answer
19 views

Replacing os, boot loader not showing

I know many have asked this before but their problem is either: it directly boot to windows or does not boot at all. But my problem is slightly different and fixing this might also be different or ...
1
vote
1answer
37 views

Dual boot Ubuntu+Windows 8: Ubuntu won't show up

Yes, there are many posts on this site related to this problem especially this one and this one. But I'm still unable solve the problem. I disable fast boot and secure boot in Windows 8.1 and ...
0
votes
0answers
23 views

Is it possible to run update-grub on a disk image?

I have created a script to run update-grub on an Ubuntu-14.04 disk image. The code is shown below: #!/bin/bash if [ $# -ne 2 ] then echo "Usage : $0 mount-point disk-image" echo "Example ...
2
votes
0answers
29 views

UEFI install (14.04) boots to GRUB command prompt, no GUI [migrated]

I just installed zorin 9 core (14.04) on my Hard-Disk in UEFI mode. But, when I boot, all that comes up is a GRUB2 command line. I've searched for solution and came up with this command configfile ...
1
vote
0answers
27 views

GRUB-Problem – Ubuntu on SSD, Windows on HDD

I googled alot but didn't find a solution for my certain problem. I installed windows and ubuntu on my SSD and used my HDD as a NTFS to be able to save data to it from both Windows and Linux. Now I ...
1
vote
1answer
9 views

install windows 8 alongside ubuntu 12.04

I have 2 partition in my laptop and already installed ubuntu 12.04. My question is how can I install windows 8 without overiding my ubuntu grub. I searched over the forum and there are grub related ...
0
votes
0answers
35 views

Unable to repair GRUB with Boot Repair

I installed Ubuntu on my laptop, which came with Win 8.1 preinstalled, with UEFI of course. So, I disabled secure boot and I installed without much interruption, but I realized that I could only boot ...
0
votes
0answers
51 views

Dual Booting Ubuntu 14.04 from Windows 8 Issues NO ANSWER ANYWHERE [duplicate]

I'm having so many issues installing booting Ubuntu 14.04 on a machine that I installed Windows 8.1 on first. I created a bootable USB drive, went through the Ubuntu installation setup, and then when ...
0
votes
0answers
24 views

Trouble starting dualboot with grub 2:02 (Windows 7 over Ubuntu 14.04 LTS)

I have a problem in grub to start. I installed ubuntu 14:04 LTS shortly after installing Windows 7 on the HD partitions due. When I restarted the machine appeared the following message ... Minimal ...
1
vote
1answer
49 views

How to set up GRUB2 password in an easy way?

I need to setup password for GRUB2 on Ubuntu 14.04 LTS amd64. The setup I am trying to reach is to have [e]dit and [c]onsole options protected by password, but booting of operating system entries ...
0
votes
1answer
34 views

I need help starting my computer

I followed a YouTube video that told me how to uninstall Ubuntu after restarting the computer I received this message Error: file not found. grub rescue> I have heard that you can reboot using a ...
0
votes
0answers
19 views

Installing Windows 7 On Ubuntu and Need To Change ISO File to All Editions [on hold]

I have searched and searched this up and I am not understanding the directions. I hardly know anything about computers. I installed Unbuntu just yesterday and I want to change back. I have the ISO ...
1
vote
0answers
12 views

Grub2 cannot see my new external USB hard drive, but sees an older one

I am trying to boot Ubuntu-studio (current version) from a new Seagate 2TB expansion USB drive on an old system (PC) whose BIOS doesn't know how to boot from USB. No problems with either the install ...
1
vote
1answer
36 views

ubuntu will not boot from hard drive after installation

I made a live DVD with Ubuntu 14.04 for a new Toshiba laptop, Satellite C55-B5200. First I found that ubuntu booted easily, though slowly, from DVD. Then I selected installation from the grub menu ...