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".

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Gave Up Waiting For Root Device - Fresh Install 14.04

I am getting the error: Gave up waiting for root device. Common problems: - Boot args (cat /proc/cmdline) - Check rootdelay= (did the system wait long enough?) - Check root= (did the system ...
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939 views

RAID1 “conflicting device node” message on startup

I'm dual booting Win8.1 and Ubuntu 14.04 (Gnome Classic). I have RAID1 set up (on Asus Z87-A motherboard) with Win partition, Ubuntu partition, and NTFS partition for data. On Ubuntu startup, I see ...
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48 views

How to prevent the people from using 'e' to change the 'config' in grub?

I'm really stumped this time because, I've tried to configure the 10_linux & the 00_header the /boot/grub/grub.conf I've tried it many times, but unable to protect it with Password Please do ...
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36 views

No Windows partition available after installing Ubuntu 14 LTS

After an upgrade of Ubuntu from 12 LTS to 14 LTS version GRUB failed to boot. With a boot repair disk ISO on my USB pen drive I found the Windows partition still exists and could be mounted, but the ...
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91 views

/dev/sda1 /boot corrupted

I am running a Ubuntu 14.04 on an IBM-Thinkpad X61 tablet (no Windows dual boot) and it seems I have corrupted my /dev/sda1 /boot. Symptoms: 1- When I login to home window, a "System Program Problem" ...
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314 views

iMac will not boot OS X after installing Ubuntu

I installed Ubuntu alongside Mac OS X on my iMac, following HowToGeek's tutorial. Whenever I boot, I get GRUB with the following options: Ubuntu Advanced Options for Ubuntu Mac OS X 32-bit Mac OS ...
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665 views

SSH update to 14.04: The disk drive for / is not ready yet or not present

I am not able to restart my Ubuntu server after upgrade from 13 to 14.04. What can I do to make things work again? I tried to upgrade my server over ssh to ubuntu 14.04. When the installation ...
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1k views

Reinstalling Grub - shows no volume groups found, how do you fix this?

I have a full backup which I had restored onto a new built system on Ubuntu 12.04 The backup did not include /dev /proc /sys folders. Upon rebooting, the grub show the following errors error: no ...
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511 views

How to configure GRUB loader during apt-get upgrade on Ubuntu 12.04

I have a box with Ubuntu 12.04, and just did a apt-get upgrade. I'm presented with a dialogue to update my GRUB bootloader, but with the following message: The GRUB boot loader was previously ...
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874 views

GRUB_HIDDEN_TIMEOUT and GRUB_TIMEOUT Do Not Accept 0 Value

I am not on a duel boot system, and do not want to view the GRUB boot menu. I have used methods that have worked in the past to change /etc/default/grub to accomplish that ends, but they have not ...
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2k views

Ubuntu UEFI Windows 8.1 Dual Boot

I have installed Win8 and Ubuntu side by side before in the past and had issues with booting which were fixed perfectly the first time using boot-repair. This time, I installed Win8.1 and Ubuntu with ...
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14k views

A Guide to Install Ubuntu 13.04 using a RAID 0

Getting the error: Unable to install grub in /dev/sda? Because you are using a BIOS/fakeRAID0? If you manage to find this thread consider yourself in luck. I spent the last 48 hours trying to figure ...
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484 views

Xorg can't find screens

I recently installed Ubuntu 12.10 on my laptop. It installed successfully, but whenever I boot into it, after the GRUB screen I get a text TTY. I can log in with that and enter command-line commands. ...
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72 views

Three file not found errors before Grub menu appears - caused by 12.10 upgrade

After just upgrading to 12.10, I see three Error: File Not Found lines flash up on the screen at the very start of bootup, just before the grub menu appears. The system still works properly after ...
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71 views

Ubuntu 15.04 Visual Glitches

I reinstalled Ubuntu 15.04 onto my computer, and I am receiving some strange graphical/visual glitches when I boot up. First off, there is some black terminal grub screen that comes up, tells me my ...
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0answers
47 views

How to install ubuntu along with pre-installed window 7 home premium (UEFI) in sony vaio sve14a15fn

I really tried alot to install ubuntu alongside with my preinstalled window 7. also, read many articles posted on internet regarding dual window installation. But nothing is working for me. So, I need ...
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110 views

How to choose which OS to start in dual boot with Touch Screen and no physical keyboard?

I (now) own an HP Slate 2(b2a28ut) which it's a fancy piece of technological art. It does look like a tablet itself and it acts like an Android Tablet because of its Capacitive Touch Screen, but it is ...
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0answers
136 views

How to install kubuntu on Lenovo thinkpad e555

I have been trying to install Kubuntu 15.04 on Lenovo ThinkPad E555. I have created /, /home and /boot partition but as soon as I install it, it doesn't show up on boot screen (it only shows Windows ...
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334 views

Windows 10 and Grub not working properly

I recently decided to test Winodows 10 on my HP dv6 laptop with Ubuntu 14 installed. I was able to get Windows up and running without any problems but getting Ubuntu and Windows to boot properly has ...
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0answers
226 views

change host name initramfs ALERT! /dev/mapper/guacamole--vg-root does not exist

I have two servers - guacamole and chorizo to be set up with Openstack cloud. I installed ubuntu server on one, then used the linux "dd" to image the disk to build the other, and renamed the server ...
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22 views

Used my laptop to install on usb. Now cant boot the hdd install. urgent

Im writing this from my phone because i messed up big time and need to fix it asap. I used my ubuntu laptop to make installed ubuntu on a usb stick (booted from live usb to make it) I choose the usb ...
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32 views

Ubuntu 14.04 Low Graphics Error believe it is a mount error?

I rebooted my Ubuntu 14.04 from terminal 3 days ago and it seems to have undergone a catastrophic crash. Firstly, I got a low graphics error issue. I could not even get to the console, so I removed ...
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65 views

Trouble Deleting a Partition Containing Grub

Update: I have resolved one of my problems myself, but still need help to delete a partition. I left the original post intact in case someone has a similar issue and can quickly reference this post. ...
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21 views

grub-install looking for /,

Installing regular ubuntu updates via software updater gives me the following error: grub-install: error: cannot find a GRUB drive for /,. Check your device.map. I have no idea why it is looking ...
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112 views

GRUB on my OS X (Hackintosh) disk after uninstalling Ubuntu

I have a Hackintosh with 3 SSDs, each with a different OS on it (OS X 10.10, Windows 7, Ubuntu 14). The problem is that I originally tried installing Ubuntu on the same SSD as the OS X drive AND I ...
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283 views

Ubuntu 14.04 boots on Bios on Asus EeeBook X205TA

Hope someone can give me fix to my problem. I purchased a Asus Eeebook X205TA to access my desktop when away. I installed Ubuntu 14.04 as single OS and completed the install without any errors ...
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39 views

Can't go past the grub screen

I am going to preface this with the fact that I am extremely new to Ubuntu, so I don't know much. When I start up my computer it takes me to GNU GRUB version 2.02~beta2-9ubuntu1 Not knowing ...
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149 views

Live USB doesn't start - GNU GRUB version 2.02

When starting my laptop, the first and only screen I see is "GNU GRUB Version 2.02~ beta 2-9 Minimal BASH-like line ...". I can't access to BIOS, nor use a bootable usb flash drive. It doesn't read ...
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votes
0answers
18 views

Powered down my laptop during a drive partition, any way to save some data?

I was in the process of partitioning my laptop drive which was running the latest version of Ubuntu when I was forced to turn it off, knowing the damage it could cause. When I turned it on later it ...
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0answers
40 views

How to boot encrypted windows partition

I have installed ubuntu 14.04 on a dedicated partition in my work machine. The Windows partition is encrypted with Symantec full disk encryption, and is not recognized by Ubuntu as Windows (and does ...
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172 views

How to boot Windows 8 installed in legacy mode using GRUB in EFI mode?

This question is linked to this: How to boot Windows 8 from a legacy MBR partition in UEFI mode via GRUB? But I can't access windows anymore, so I can't run bcdboot. Here's my partition tables: ...
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234 views

Lenovo onekey stuck in GRUB

I have a Lenovo g50-45 with onekey recovery with Windows 8.1 pre-installed. I dual booted with Ubuntu. Then I uninstalled Ubuntu. then tried to reinstall with USB using onekey. I got this screen: ...
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votes
0answers
71 views

Ubuntu 14.04 software update causes system failure and messed up graphics

I allowed the software updater on my Ubuntu 14.04 machine to update various software packages today (1/25/2014). A reset was requested. I reset my machine and it now comes up with messed up ...
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votes
0answers
42 views

Grub2 enters console instead of showing menu

I installed Kubuntu 14.04 on an Acer Aspire R7 571G. When installing I chose to use the whole hard drive (removing the existing windows 8). Installing was successful, but when rebooting it didn't ...
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0answers
418 views

Error calling EVIOCSKEYCODE

Using 14.04, I have the following error displayed when booting up: Error calling EVIOCSKEYCODE It doesn't cause any problems with the system, but I would still like to remove it. Now, I managed ...
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votes
0answers
177 views

Need to remove GNU GRUB version 2.00-19ubuntu2.1

I originally posted a question about removing Ubuntu and GRUB from a dual boot system. This is what my partition map looked like at the start: My question was marked as a duplicate by moderators, ...
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votes
0answers
92 views

kernel panic on boot

I'm having some trouble booting ubuntu 14.04. The most weird thing is that after the kernel panic error shows up, if I restart the laptop, grub appears (not showing up when the panic occurred), and ...
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votes
0answers
1k views

Installed Ubuntu 14.10 on MacBook Pro (5,5) without rEFIt or rEFInd, hangs on purple screen

I recently inherited a mid 2009 13" MacBook Pro. I wanted to install Ubuntu 14.10 on the machine rather than OS X. I've previously had success with Ubuntu 13.10 on a 2006 MacBook by booting to live ...
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0answers
51 views

Can this error cause computer to reboot

There are 11 computers in my classroom. Yesterday they began to reboot randomly, all of them. I reinstalled Ubuntu and got this error everytime. Also, after reinstalling the rebooting continued. Can ...
2
votes
0answers
131 views

update-grub fails on lvm cryptoroot

Disclaimer: I'm running this server now but I did NOT install it. I have two disks connected to an Intel Hardware Raid Controller running in RAID1. On top of it there is a fully encrypted 12.04 ...
2
votes
0answers
195 views

cannot add memtest86 in Grub menu

I had already seek solution in: How can I add the Memtest86+ options back to the Grub menu? Memtest86+ options are missing in Grub menu However, they still can't solve my problem... what drives me ...
2
votes
0answers
116 views

Black screen on bootup

I've had a problem since loading ubuntu alongside my windows install now. I'm running 14.04 and using Gnome 3.12 shell and Lightdm. When booting up the Ubuntu splash screen looks normal and pushes me ...
2
votes
0answers
136 views

setting of GRUB for two Linux distributions installed to two separate hard disks

I installed a second hard disk to my laptop so that I can test on new Linux distribution without trashing my working one. I did the following: Installed Linux Mint 15 to my first drive sda and use ...
2
votes
0answers
108 views

Both Windows 8.1 and Ubuntu not booting after installing Ubuntu 14.04

I had installed Windows 8.1 in my Dell Inspiron 5521 in Legacy Mode. I then tried installing Ubuntu 14.04. The installation was successful. But after rebooting, I was unable to boot into any OS. While ...
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votes
0answers
130 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 ...
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votes
0answers
731 views

Stuck in GRUB Rescue Mode, all partitions -> “Unknown filesystem”

I somehow messed up my laptop... I have a dual boot machine with Ubuntu 14.04 and Windows 7. The Ubuntu OS has been installed a couple of days ago and I was encountering an annoying bug: when booting ...
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votes
0answers
286 views

OS-prober is taking a really long time

Any time I update my GRUB configuration or install a kernel update that has the update manager update my grub configuration, the os-prober part of the configuration hangs for sometimes 10-20 minutes. ...
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votes
0answers
459 views

How to get rid of grub menu after boot?

Here is my /etc/default/grub: # If you change this file, run 'update-grub' afterwards to update # /boot/grub/grub.cfg. GRUB_DEFAULT=0 GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=true ...
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votes
0answers
166 views

How can I remove Ubuntu record from my boot list?

I've installed Ubuntu 12.04 on an external USB3.0 drive. I selected sdb (the usb stick) as grub point and created a new ext4 partition as root on sdb1. Everything went very well and I could either ...
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votes
0answers
630 views

After installing a new Kernel in Ubuntu 14.04, rebooting takes me to busybox initramfs. How do I mount a filesystem after that?

I have a virtual machine with Ubuntu 14.04 in it. I recently built and installed linux-3.14.5 kernel on it, and tried to boot into it, but it drops me to BusyBox v1.21.1 built-in shell. Here's what I ...