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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Dual boot RHEL 7 with ubuntu 14.10 installed

I have an old machine with processor Intel(R) Pentium(R) CPU B970 @ 2.30GHz with 64 OS support but does not supports VT and I am doing my RHCE certification in RHEL7 and I want to dual boot my ubuntu ...
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3answers
98 views

Dual booting Ubuntu 14.04 and Windows 8.1

Yet another question on this topic. Sorry. I've bought a new HP Pavilion 15-p239sa with Windows 8.1 installed, and I'm trying to dual boot Ubuntu 14.04. The problem is that after installation of ...
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1answer
40 views

Dual boot: several Windows 7 loading entries in GRUB2 - should I delete any?

The system is Acer Extensa 2510G, and there's only one HDD. This is how the GRUB2 menu looks: Output of sudo update-grub2: The scripts themselves: Windows UEFI bootmgfw.efi: search --fs-uuid ...
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1answer
24 views

Not able to boot to already installed Windows and Ubuntu in Hard drive

I am facing problems with OS booting of my laptop. I had a dual boot Ubuntu 14.04 alongside windows 8.1. I generally work in Ubuntu and one day when I started my system Ubuntu wasn't booting up. It ...
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1answer
23 views

What is the grub configuration file? [closed]

I am new to Linux and I don't know what the grub configuration file is? Can anybody explain it to me?
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2answers
34 views

Grub dont shows after windows 8.1 update [duplicate]

I had ubuntu 14.04.2 LTS installed in dual boot with windows 8 with grub2 as boot manager. The problem arose when the updated windows 8 for windows 8.1, now grub is no longer displayed when starting ...
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0answers
8 views

Booting Problem after removing old kernels and having run boot repair

Having cleared old kernels, I am unable to boot into Ubuntu 14.04. After a suggestion here, I ran boot repair, which came up with the following URL http://paste.ubuntu.com/10816487. Could someone ...
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1answer
21 views

Why does the screen go dead until I press escape every time I boot up?

I have Ubuntu Studio 14.04, it is the only operating system on my machine. Every time I boot up, the BIOS loads, and then the screen goes dead and will stay that way unless I press ESC, in which case ...
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8 views

How to disable graphics card

Is it possible to disable one of my two graphics card as a grub parameter? And is it possible to disable both graphics cards?
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0answers
36 views

Windows to Linux || /boot/grub/i386-pc/normal.mod not found

I am a computer science major and I have been a Windows user since I was a toddler. However after doing a little research on Linux I was intrigued enough by its power and customization to give it a ...
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1answer
18 views

ubuntu14.04 can not enter ubuntu when i choose 'ubuntu' in grub2 menu

I installed Ubuntu 14.04 in hard disk. then after I did update-grub sudo grub-install /dev/sda sudo update-grub After restarting Ubuntu 14.04, grub menu loaded with ubuntu,ubuntu advance,system ...
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2answers
66 views

Grub loader always takes 10 seconds

The default grub loader is always runing 10 second countdown before launching Ubuntu 14.04. This is how it looks in etc/default/grub: GRUB_DEFAULT=0 #GRUB_HIDDEN_TIMEOUT=0 ...
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2answers
32 views

How can I make Ubuntu not mount efi partition by default at startup?

I've a Asus laptop with windows 8.1 pre-installed, I've managed to install Ubuntu alongside it, and for some days it worked fine. Today, out-of-the-blue, Ubuntu just goes black screen and I'm back at ...
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0answers
27 views

Ubuntu installed alongside W8, W8 wont boot anymore, live usb isnt recognized

I think I might be screwed. I normally run preinstalled windows 8.1 on my Lenovo IdeaPad P400 touch, and I decided to try out dual booting Ubuntu 14.04, having never used Linux before. I edited the ...
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0answers
13 views

Grub 2 Running Two Resolutions

I have two monitors, with different resolutions, that I use interchangeably. One through the VGA interface, and the other through HDMI. e.g. When plugged into a VGA monitor it outputs 1366 × 768 and ...
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1answer
15 views

How to install Ubuntu from a network / How to boot a system from a network using grub?

Can Ubuntu be installed on a system which doesn't have any working DVD drive or USB port but it has ethernet port? openSuSE can be installed from network using grub. See this ...
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1answer
24 views

Installing Ubuntu On a Seperate HDD

I was wondering if I could install ubuntu on a 500GB HDD while there are already 2 other HDDs in RAID 0 with windows 8 installed. Any help is appreciated.
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1answer
27 views

Windows, Ubuntu and Grub with multiple disks

I have a laptop with one built-in SSD of 128GB. I use an ultrabay SSD of 256GB instead of my CD/DVD player that I use from time to time. My plan is to have Windows as primary OS on the built-in SSD, ...
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0answers
20 views

baktrack installation stopped, the computer will not boot

this is my first time in the forum. I run a hp laptop with windows 7 and ubuntu on it (lucid lynx I think). I was running baktrack on a usb on this laptop, when I by mistake used the install.sh with ...
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2answers
42 views

GRUB remove memtest from boot list

I installed Win 8 and then, Ubuntu. It wasn't showing me Win 8 at the boot screen, so I did grub-update and now it shows it, but I also get 2 additional memtest in the list when I boot up my laptop. ...
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0answers
21 views

Struggling to boot back into windows after installing ubuntu 14.04

I have a question, and hold on, could be a long one. Previously, I have dual booted my computer with linux mint 17.1. I do not know how I bypassed Uefi, but I somehow disabled it. So, previously I ...
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1answer
30 views

Ubuntu doesn't showup while booting

I have recently installed Ubuntu 14.04 along side Windows 8 in my Samsung Series 5 np535u4c notebook in a 52 gb disk called Ubuntu. Ubuntu grub screen showed up inttially (till I booted to Windows ...
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1answer
33 views

Grub unaccessible after windows 10 and ubuntu 14 install [duplicate]

I would like to be able to dual boot on windows 10 and Ubuntu 14. First, I tried to install windows 10 after Ubuntu 14. I was not able to dual boot after that. I know that this is not the best way in ...
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2answers
48 views

How to change the default grub option in Ubuntu 14.04

How do you change the default Grub boot option in Ubuntu 14.04? This has been asked and answered for older versions, but these solutions no longer seem to work for 14.04. Specifically, the version of ...
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2answers
45 views

Installed dualboot ubuntu & win7 on two separate drives

First of all, I am total linux noob, so do not judge. I needed Ubuntu for dual-boot, and since I knew that I would not use it that often, I installed it on my other drive. The goal was to not have any ...
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1answer
17 views

How to style/customise the grub menu?

I want to style up the default grub menu to something like we get in windows 8 dual booted with ubuntu. Want to make a GUI for grub menu. i saw its possible somewhere so I want to know how. I have ...
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0answers
46 views

Can´t install Ubuntu alongside Windows 7

I have this notebook: Notebook Kelyx Pcw20 Amd C70 Dual Core 14 1tb 8gb I can´t install Ubuntu alongside Windows 7. Before I started I shrank the C: drive in order to have some unallocated space. ...
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0answers
24 views

How to fix unbootable server after upgrade to 14.04

I had a pretty vanilla install of 12.04 running on a headless server with a software RAID1 array. I ran do-release-upgrade to upgrade to 14.04, and it seemed to run without issue. The only mistake I ...
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0answers
34 views

Dual boot Windows 10 after Ubuntu 14.10 [duplicate]

I need Windows 10, however I already have Ubuntu 14.10 installed on my system, and as far as I know it will break grub. Is there any way to avoid this, and if not, what can I do before or after ...
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1answer
30 views

How to make grub2 recognize other Ubuntu installations again?

Until 13.10 and the grub2 version used there (version number is 2.02~beta2-... since years/multiple Ubuntu releases) parallel Ubuntu installations on other partitions (both with and without separate ...
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22 views

GRUB installation for make USB bootable

Through following a tutorial to make a bootable Windows USB from Ubuntu 14.10 using PC that use BIOS, I opened terminal and run sudo grub-install --target=i386-pc ...
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12 views

Dual HDD manual partitioning woes

Wondering if anyone can lend a hand. Installed an SSD in my laptop, now have two drives (SSD for efi patition and /) (HDD for /home & swap). I am able to install uefi mode with all distros (Arch, ...
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0answers
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my dual boot grub disappeared and appeared?

hey guys whzz up, i have installed ubuntu on a dual boot on win 8.1 x64 and then ubuntu lagged so i deleted ubuntu partition stuck at the recovery grub because i dltd grub,got back with ...
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2answers
41 views

How to install Windows 8.1(10) in a pre-installed Ubuntu 14.04

I am currenty using Ubuntu 14.04 and I need to install Windows 10 as dual boot. I create new ntfs partition for install Windows, But I get the following error when selecting the desired partition: ...
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0answers
30 views

Windows 8.1 and Ubuntu dual-boot

I installed Ubuntu on one of my hard drive, and on the other hard drive I had Windows 8.1. I want to know how I can boot my pc back to Windows and how I can chose which OS to launch at startup.
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1answer
21 views

Awful beep on boot after installing Ubuntu in a Macbook

I formated the entire hard drive and installed Ubuntu 14.04 in a Macbook 5.2. Ubuntu boots decently fast, however there is a disconcerning garbled image on screen: After that Ubuntu runs fairly ...
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33 views

How do I get Xubuntu to automatically boot from startup? [Xubuntu 14.10] [duplicate]

At the moment to boot up my Ubuntu system I have to: Turn on my laptop Hold Shift to start up GRUB Select Ubuntu and press enter Log in I would like to just turn on my laptop and then when Ubuntu ...
2
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1answer
86 views

create a Windows bootable USB stick with Ubuntu [duplicate]

I am Linux user and currently there is no Windows* PC s available to me . I just want to experience the Windows 8 I have a Windows 8 Image/files I have a running Ubuntu PC I have an 8 GB USB disk I ...
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1answer
19 views

problem installing ubuntu in 64 bit compiler [closed]

i boot the Ubuntu 14.04 ISO using startup disk in my 32bit but while installing on 64 bit of windows os it is not asking install Ubuntu directly it is opening windows OS how can i install in 64 bit OS ...
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1answer
50 views

Dual booting to windows 8.1 failing after first boot

My brand new Lenovo X250 came with a Windows 8.1 pre-installed. I wanted to dual boot with Ubuntu 14.04 as I did on my previous computer. I started by disabling UEFI, removing Windows 8.1 , changing ...
2
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1answer
66 views

Cannot find root partition

I have a problem with my laptop. I installed Ubuntu 14.04 LTS next to Windows 8.1. It is the first time I am using Ubuntu. I don't know exactly what happened but somehow I damaged the Grub bootloader. ...
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0answers
15 views

How does grub-reboot work?

I run three different OSes on my machine and use it remotely a lot, so I'd like to write myself a utility that is basically a cross-platform version of grub-reboot. The problem is, I have no idea how ...
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0answers
32 views

New Ububtu installation showing /dev/sda1 as mounted drive?

I just reinstalled Ubuntu 14.04.2 afresh, and I think I might have made a mistake. When I made my backups, a part of that was /etc/fstab. When I restored all my data, I also restored that. Now, when I ...
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1answer
29 views

Ubuntu grub in dual boot

I have a Windows 7/Ubuntu 14.04 LTS dual boot and I've been using it with the Windows boot loader for a while. After a while, when I choose Ubuntu in the Windows boot loader I am redirected to the ...
2
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0answers
21 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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0answers
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Regarding GNU GRUB [duplicate]

I have installed both Windows 8 and Ubuntu 14.04. During staring, the laptop GNU GRUB screen was appearing during boot. However, after updating Windows 8 to Windows 8.1, GNU GRUB screen does not ...
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53 views

Unique problem facing installing Ubuntu 14.04 alongside preinstalled windows 8.1 on laptop lenovo z7080

I have recently buy lenovo z7080 laptop which has windows 8.1 pre-installed. I updated all the drivers and started to dual boot alongside windows with ubuntu 14.04LTS using dvd. I did enable legacy ...
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1answer
23 views

Reinstalling GRUB2 on a non-Bios Based System

so I am dual-booting windows 8.1 and ubuntu 15.04 and for some reason GRUB2 stopped loading and it just goes straight to windows so i booted from the ubuntu live cd to reinstall grub2. i found the ...
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1answer
45 views

GRUB menu lost in win 8 dual boot configuration after hard drive swap

Packard Bell imedia S2185 set to dual boot Win 8\ Ubuntu 14.04 and was using it to work on an embedded linux deployment. I had an issue on another PC and swapped over the hard-drives to see if the ...
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1answer
57 views

Install Ubuntu with HDMI cable

One of my friends wants to start using Ubuntu, but he has the following problem: The screen of his laptop is broken, and he has connected his laptop to an HDMI TV in order to see. I wanna know if ...