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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Mount and access encrypted LVM on second drive

On one machine I have an encrypted LUKS container around an LVM on /dev/sda that I can boot into. On the same machine is a second drive with an encrypted LUKS container around an LVM on /dev/sdb (that ...
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2answers
77 views

Cannot boot into Live CD (12.10), Live USB (14.04), or Boot-Repair USB

I am trying to boot into Ubuntu on removable media in an attempt to fix my bootloader for a Ubuntu 12.10 install on an HDD. However, it seems that I'm not able to boot into any of the media I've ...
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2answers
24 views

Lost access of Ubuntu partiton

I have installed Window 7 on Ubuntu 14.04.1 pre installed Laptop. Then Windows written GRUB with it's own BOOTLOADER. Now it's only booting Windows 7. I have done these.. Booted in live mode(try ...
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64 views

Ubuntu 14.10 taking a long time to boot

So, this has only started happening about a week back for no apparent reason. Ubuntu takes almost 4-5 minutes stuck at the purple Ubuntu screen for no apparent reason. Furthermore the GRUB 10-second ...
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1answer
23 views

I installed ubuntu with windows, and windows don't load

grub shows that there is Windows, but when I click on it, it showing me a black screen with a dash at top-left; and then sending me back to grub what can I do? please help !!!
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2answers
100 views

Boot into Ubuntu without GRUB

Finally, I decided to go down the Ubuntu route and hit the first problem. It is not a big problem but more like a convenient feature! I have no experience in Linux at all and I need a help. I have ...
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1answer
39 views

Ubuntu not Booting ,GRUB screen not disappearing

while installing Ubuntu, I choose the first option(erase disk and install Ubuntu). After the installation is complete I reboot my machine and what I got is a purple screen (I think the purple color is ...
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2answers
34 views

How to install windows on Ubuntu Installed drive which i formatted using GParted Live CD

By mistake i formatted the drive in which Ubuntu 14 was installed by using GParted Live CD. Now i want to install Windows to it, but nothing is booting up. I tried DVD and USB. All my pc showing up is ...
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2answers
165 views

UEFI machine doesn't boot Ubuntu through NVRAM bootcatalog. How to fix?

An answer posted here should: Avoid to require the user to download and install additional packages or PPAs. Be as quick and simple as possbile. (I tried boot-repair and it didn't ...
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1answer
38 views

Grub: preferred video interface at boottime

My HDTV is connected through HDMI. My desktop through DVI. At boottime grub displays the bootmenu ( where I can choose for Windows or Linux) only on the HDMI interface. Since my TV is off during most ...
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23 views

How to recover documents from an HDD with Ubunutu 14.04 installed?

Not as simple as the question states. I will try and cut a long story straight...: Dell Latitude E6410 with Ubunutu 14.04 Installed. Motherboard crapped out on me. Luckily was able to be repaired ...
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34 views

“Too many full retries, give up” Error. How can I fix this?

I just installed Ubuntu 14.04. GRUB is not fully showing up and I reinstalled it as well as upgraded the Kernel and that didn't change anything. It gives me an error: "ERROR too many full retries, ...
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0answers
27 views

How do I disable GRUB 2 submenus on Ubuntu 14.10?

I'm running a minimal installation of Ubuntu 14.10. GRUB 2's submenu feature is rather annoying and I've been looking for a way to disable it. Neither adding DISABLE_GRUB_SUBMENU=true or ...
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0answers
15 views

GRUB Rescue on boot after “Additional Driver” installation

Title says it all. I installed a driver from the "Additional Drivers" menu, and rebooted. I was greeted by "No such device: -hashcode-" and "GRUB Rescue: >". I just want to revert, someone tell me?
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2answers
57 views

Ubuntu partition deleted and cannot boot

I accidentally deleted my Ubuntu 14.04LTS partition lately (with Arconis Disk Director under Windows 7), now I cannot boot either into Ubuntu or Windows. After I start my computer, I will be brought ...
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1answer
34 views

dd confuses grub (and gparted)?

The initial problem was this: I wanted to test the installer I was creating for my app, but of course every time I run the installer it modifies the system, and I needed a way to reset the system to a ...
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1answer
389 views

Ubuntu server error: file '/grub/i386-pc/normal.mod' not found. grub rescue>

Hi i installed the latest Ubuntu server 14.04 and rebooted a few times perfectly and now when i last reboot it, i get the following error: error: file '/grub/i386-pc/normal.mod' not found. grub ...
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0answers
48 views

Use Parted to change a partition's flag state

I had a Ubuntu 14.04.1 system with one SSD and one SATA hard drive. I had a problem with the SSD that my system was installed on. I replaced the SSD and installed a new 14.04 on to a it. The /home and ...
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2answers
80 views

Grub not recognizing Windows 7 after installing ubuntu

I've spent the last two days trying to get grub to recognize my Windows 7 installation, to no avail. The situation is as follows: I wish to dual boot Windows 7 and Ubuntu on separate 120 gb SSDs ...
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0answers
58 views

“Operating System not found” after advanced install of Xubuntu 14.10

I tried to do a "fresh" install using the advanced install routine of the xubuntu 14.10 64bit CD (Core2Duo P8600). I set the mount points for / (which I formatted) and /home (no formatting, I want to ...
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0answers
32 views

Attempted ubuntu 14.04 install alongside windows and ubuntu 10.10

I have searched, and nothing has helped me, so here goes. I downloaded and installed the new version of ubuntu to run because my faithful maverick meercat is starting to become unstable and freeze ...
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23 views

CLI: Defoult monitor and it's resolution

To keep long story short: I have 3 monitors plugged into my computer. Main (1920x1080) via DVI, secondary (1440x900) via D-sub and a TV (720p) via HDMI. I want to have CLI (and possibly GRUB) on the ...
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2answers
97 views

system directly booting to windows without showing grub menu

I have hp pavillion 15 n203tx preinstalled with windows 8.1. I installed ubuntu 14.04 in it. and then it use to show a grub menu everytime I turn my system. the menu was- 1). ubuntu 2). advanced ...
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31 views

Installing GRUB failed

now trying to install ubuntu server 14.04.1 already for the umpteenth time on my HP ML115, AMD64, 8GB, 320GB HDD. Installation runs through until the GRUB. Then getting the same message that Grub ...
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2answers
35 views

After inserting a new OS entry, GRUB2 asks for password

Yesterday I installed a new fresh Ubuntu system, and installed Android-x86 in another partition. Then I followed this tutorial to add an entry for Android-x86. My 40_custom file: #! /bin/sh -e cat ...
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25 views

How can I change background image on Grub, if I am using a different resolution for it?

I know there are questions already asking this, but I'm writing this because they didn't help my case. I am using monitor capable up to 1680x1050 and set the Grub resolution to 640x400, which is same ...
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57 views

What happend while upgrading to 14.10?

I have tried to upgrade my laptop from ubuntu 14.04 to 14.10 yesterday. Unfortunately some things went wrong. I used the graphical update manager that pops up in unity from time to time. There were no ...
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3answers
73 views

Remove GRUB menu from Windows Disk

I am currently running two OS's on two physical drives. Windows 7 on an SSD (/dev/sda/) and Ubuntu 14.04 on another hard drive (/dev/sdb). I recently installed Ubuntu and it installed grub on my ...
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1answer
74 views

GRUB doesn't detect Windows XP

I have installed Arch Linux yesterday on /dev/sda1. I used a Live Ubuntu USB to update GRUB, because after I installed Arch, GRUB says: "out of range". So I updated GRUB and all things were fine, but ...
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50 views

Gave up waiting for the root

I have installed UBUNTU 14.04 on my UEFI based system in which Windows 8 was pre-installed, recently. and I face the following problem whenever I boot from the grub2 boot menu. Gave up waiting for ...
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40 views

Can't access Windows after installing 14.04

I have a system where I have my windows OS on a 500 gb hard drive and then Linux on an 80gb drive. I'd previously had 13.04 Ubuntu installed on said 80 gb hard drive. While updating to 14.04 via a ...
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1answer
26 views

What after GRUB menu?

I have bought a laptop with pre-installed windows 8.1 After following all the steps from this article. (Installing Ubuntu on a Pre-Installed Windows 8 (64-bit) System (UEFI Supported)). I tried to ...
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47 views

Why can't I access memtest from Ubuntu 12.04 Live CD on PPC?

I have a powerbook G4 laying around and I thought I would put ubuntu or lubuntu on it to learn about lunux. I currently have lubuntu PPC on the hard drive and it freezes after a few minutes of use and ...
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1answer
60 views

Computer is really messed up, need to know how to salvage ubuntu after hard reset during 14.10 installation

So I bought my Lenovo T520 back in 2011, and for a while I had no problems, but then I decided to install Windows 8 (a few times, the first few times were unsuccessful because it was an unofficial ...
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38 views

After selecting Grub entry, screen switches to power save

After I select an entry (Ubuntu) from the Grub menu, the screen goes to power save mode. I could eventually get the screen asking me for the HDD encryption password by pressing Alt-F1 and then Alt-F7 ...
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0answers
180 views

error no such partition, entering rescue mode, grub rescue, dual boot windows xp

I have installed ubuntu 14 on my netbook alongside with windows XP. I then thought that lubuntu was best suited to a small netbook with 1GB ram and wanted to remove ubuntu in order to install lubuntu ...
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1answer
67 views

New to Ubuntu grub recovery help!

Hi I'm new to Ubuntu and linux. I installed Ubuntu side by side to Windows 7 on my PC. I used the same install disk for my two PCs. On my 1st PC everything is working good! Second PC I sometimes get ...
2
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1answer
274 views

No bootable device error message on UEFI after installation

I have a new Acer Aspire E13 (ES1-311-P1D5) notebook. I tried to install Ubuntu 14.10 with disabled Secure Boot but enabled UEFI. After the installation I couldn't bot. I just got "No Bootable ...
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1answer
132 views

Unable to fix GRUB for dual-boot after BIOS update (using boot-repair)

After my latest update of BIOS (while using Windows) my grub menu went missing. Previously, I was able to repair GRUB menu this way: Booting into Windows Going to Advanced Startup options Selecting ...
2
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0answers
228 views

GNU GRUB, Minimal BASH-like line editing screen displays before the usual GRUB screen when dual-booting Ubuntu 14 and Windows 8.1

I have read a couple of posts similar to this issue, but it seems many of them could not boot to Ubuntu after getting this screen due to a bad boot manager. It does not seem this is the case for this ...
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1answer
18 views

Keeping GRUB Intact When Reinstalling Windows 7

My Windows 7 install got corrupt. I'm going to need to repair or re-install it. If I were to go about it normally, Windows would overwrite GRUB and I wouldn't be able to access Ubuntu. How do I go ...
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0answers
39 views

After installing Ubuntu 14.04 alongside Windows 7, the latter boots into a black screen

I have a Dell Inspiron 7737 laptop. It came with Windows 8.1 installed. I installed Windows 7 Enterprise edition instead. Then I installed Ubuntu 14.04.1 (had to use FixPart to clear an entry that ...
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0answers
102 views

Grub rescue file /boot/grub/i386-pc/ not found

I had 4 partitions on my ntb. Recovery, ubuntu 14, windows 7, and media (with documents images and so on). Now I found out that I'll need ubuntu 12. So I shrinked partition with ubuntu 14 (/dev/sda1) ...
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0answers
21 views

Lock down Ubuntu Grub

I need to encrypt Grub boot loader with a password. Just for the sake of a friend not logging in sand trolling me. I have seen other instructions, but I just need Grub secured by a password, not an ...
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0answers
20 views

Reinstalling grub changes the grub.cfg but not the actual GPT/MBR

The problem in short is: I have two Ubuntu 14 installed. After installing the second Ubuntu I am only able to modify the grub from it. I use the first as main and I frequently update the kernel which ...
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0answers
22 views

Persistent windows 8.1 in boot priority

just a few days ago I intalled Ubuntu Gnome on my computer, I inhabilitated UEFI and quick boot. When I used Ubuntu it al went well, but then I entered to Windows 8.1. To my surprise when I booted my ...
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1answer
12 views

changing the display properties of grub

I would like to remove the rectangular box and the instructions displayed along with the (entries) in grub that appear during the boot.I searched for the grub design file but i couldn't find one apart ...
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1answer
57 views

How do I reinstall Linux using just a terminal and an internet connection? [closed]

I have a Linux Mint that won't boot the gui, but I can pull up the terminal by keyboard shortcut and it has network access. I tried to reinstall Linux and reformat the machine, but every time I ...
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1answer
46 views

Problems installing and booting Ubuntu/Grub

I want to install Ubuntu alongside Windows, with it being on an external hard drive. My windows installation is on an internal SSD. I've gone through the installation but I get this message toward ...
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0answers
36 views

Error in trying to boot-up after a fresh install of Ubuntu 14.04 or 14.10

The error I keep getting, after a fresh install (first boot-up) of Ubuntu 14.04 or 14.10 is as follows :- error : file "/boot/grub/i386-pc/normal.mod" not found. Has anyone got a fix for this ? ...