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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Boot Ubuntu, Windows 8.1, and Windows 10 Technical Preview with Grub

I originally installed Windows 8.1 and Ubuntu, using grub to give me a selection of operating systems to boot to when it starts up, and that works fine. I decided I wanted to try the Windows 10 ...
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29 views

Xen 4.4 on Ubuntu 14.04 dom0 “Gave up waiting for root device”

I've failed to get any response from users on the Linux Mint forums, however, Mint being an Ubuntu egg, I thought I'd try here. I attempted to install Xen hypervisor 4.4 on a clean install of Linux ...
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19 views

Boot repair detects legecy mod when EUFI is enabled

I installed on my computer ubuntu 14.10 with windows 8.1 in dual boot but when I start it, grub doesn't show up. I tried running the boot-repair but I get a message that my bios starts in legacy and ...
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1answer
63 views

Persistent live USB Ubuntu 14 not working

Used Fedora Live USB creator 3.12 to create a live USB of Ubuntu 14 (latest 64 bit build) I can successfully boot the USB on my Surface Pro 3 but I cannot get the persistence to work. It is not an ...
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28 views

ubuntu 12.4 server is stuck on blank screen after grub

server 12.4 64 bit installed with raid and lvm ubuntu 12.4 server is stuck on blank screen after grub. and in grub recovery server given below error system wait for the right device ? missing ...
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1answer
43 views

Can I install the gnu grub menu from windows?

Hi I’m new in Linux and I have a problem. I bought a computer with Windows 8 which was upgraded to 8.1 in the mean time. Then I installed Ubuntu 14.04.1 and when the set-up finished, I restarted the ...
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28 views

grub menu display “setparams…” content for any key

I have searched for many topic but none of them similar like my case (I think)! I have and ga-h81m-s2pv board with a SSD drive, USB keyboard/mouse. I change boot and storage BIOS setting to ...
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1answer
48 views

Grub2 and UEFI, ASUS Zenbook

I just bought a new laptop "Asus Zenbook UX32L". I had Windows8 preinstalled. But I needed Ubuntu. So I tried to install Ubuntu 14.04 LTS. I totally cleared my HDD and I just clicked Install Ubuntu. ...
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1answer
32 views

Dual boot does not load Windows after installing Windows drivers

I have a dual-boot machine with Windows 8.1 and Ubuntu 14.04. Then, I installed some drivers on Windows from a CD (chipset, NVidia, LAN and audio). However, when I now boot into Grub and choose ...
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31 views

Accidentally deleted Win 8 while installing Ubuntu 14

My problem is that I accidentally deleted Win 8. But actually I don't need it and I don't want to buy Recovery disk. I need to install Ubuntu. So when I installing Ubuntu I just Erase my disk and ...
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23 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 ...
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27 views

Repair Grub on VPS

My VPS is installed with Ubuntu 12.0.4 LTS and i manage it with th KVM interface from OVH, now it is blocked on grub>. the machine does not accept ssh until booting in rescue mode. When I mount the ...
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1answer
65 views

Partitions Grub UEFI GPT MBR

I'm having a problem with the partitions in my system. Yesterday, I wanted to try Arch Linux, so I installed it in a new partition and in the process I was told, since my system is UEFI, I had to ...
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2answers
29 views

Dual Boot/GRUB Question

I just installed Ubuntu 14 in dual boot with Windows 7 installed first. I am completely new to Linux and Ubuntu and I was wondering if GRUB2 which comes with Ubuntu is likely to experience problems ...
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2answers
94 views

Dual boot system fails to boot at all! Help

I have a persistent problem of recovering my hard drive. I had Ubuntu and Win 7 installed on my DELL xps m1530 (Core Duo 2). After manipulating my partitions in windows, I got stuck in grub rescue. I ...
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39 views

Always boot into Ubuntu, but with Windows option on restart

I'm not sure if this is possible - I've tried searching, but can't seem to find anything. I run a dual boot system, Trusty & Win 7 - being in the former about 98% of the time. Here's what I'd ...
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1answer
40 views

I installed GRUB bootloader on the Win SSD, should I be worried? Dual Boot

I installed Ubuntu yesterday on my Notebook's SSD. Windows 8.1 preinstalled on the other (m.2) SSD. I'm not really experienced with this stuff, sorry. I installed the GRUB(?) boot loader onto the ...
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1answer
17 views

Interact with GRUB over network

I am connecting to my workstation over SSH (via VPN access) and I accidentally rebooted machine. The problem is that I cannot connect to my machine because it boots to grub and it waits for ...
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1answer
14 views

Loading windows through grub

I just want to know how to boot windows through the grub. I formated my hard disk even though when i tried to boot my system its starting from the Grub boot loader, how can i avoid this. I tried many ...
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70 views

Computer won't shut down

I installed Ubuntu 14.04 on my friend's computer and it won't shut down. Here is an album of the pictures I took. I went into gedit and changed the quiet mode option to quiet mode acpi=force or ...
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2answers
14 views

Accidentaly Removed Windows From Grub

I was messing around with grub settings (only renaming entries, nothing else) and it appears that windows is no longer on the grub menu. I seem to remember it is in /something/SDA. My system is ...
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1answer
42 views

How to recover /boot overwritten by identical /boot?

I spent 6 hours on this and I've given up. I am not finding a method to recovering a /boot partition that was overwritten by an identical /boot partition. This isn't your regular average grub ...
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1answer
58 views

Error Booting Ubuntu / Windows 7 on Laptop

I tried a lot of guides and walkthrough I found on the net, but my problem still persist: I installed the UBUNTU 14.04 LTS release, and installed side by side my Windows Installation. When I finish ...
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30 views

Restoring a VM to LV, GRUB disk not found

This is what my setup looks like: ubuntu 14.04 running KVM with libvirt has a HW-Raid it's running from (/dev/sda) and another HW-RAID (/dev/sdb) that is the PV to a LVM VG called "datavg" with ...
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27 views

Kernel messages scrolling over Grub background image during boot?

I display a Grub custom background image at boot time(Ubuntu 14.10). I would like this background image to stay in place during the kernel startup and to scroll the kernel messages over the Grub ...
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1answer
23 views

no boot disk has been detected ubuntu 14.04

I installed Ubuntu 14.04 4 times already and tried to fix GRUB, but it always says that no boot disk has been detected. I need help if anyone can tell me something to fix that it will by great.
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81 views

Black screen when booting normally

My system Laptop: Acer aspire 8930G OS: Freshly installed Ubuntu 14.10 (64 bit) Memory: 4 GB Processor: Intel Core 2 Duo CPU T9400 @ 2.53 GHz x 2 Graphics: Nvidia GeForce 9700M GT / pre-installed ...
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1answer
57 views

Re-installing Ubuntu while mainting dual-boot with Windows?

I am kinda new to ubuntu and the whole linux field, and have some concerns. First, I currently have Linux Mint 17 dual booting with Win8.1 via grub 2, my question is how to remove linux mint and ...
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3answers
84 views

Interrupted upgrade, now boot loop, restarts before Grub

Laptop battery of my Lenovo Ideapad S205 ran out of power while upgrading to 14.10. I connected it and powered it up as usual, but forgot about resuming the upgrade. Then I put it to hibernate, and ...
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22 views

Dual Boot Ubuntu failed after upgrading to yosemite

After upgrading to Yosemite, I cannot boot into Ubuntu: it goes to a black screen. GRUB appears in the upper left corner and Flashes "_" . I am using refind . Can anyone help?
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1answer
37 views

Error in booting through USB having full install (not live USB)

I am new to Ubuntu and really loved the experience of working on it through the live USB. However the limit of 4GB on the persistence file is something which I wanted to get away from (Tried the ...
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1answer
57 views

Dual boot for Ubuntu 14.04 LTS and Windows 8.1

I have Windows 8.1 Lenovo S510P laptop on which I installed Ubuntu 14.04 LTS. But not able do boot repair, [or] edit grub; so when I power on laptop I should get option to go Windows or Ubuntu. ...
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18 views

upgrade from 12.04 to 14.04 server edition

I have upgraded 12.04 to 14.04 but when i booted it up something is wrong with grub! Please help me fix this, I need a solution badly...
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38 views

Unknown filesystem, grub rescue after installing Windows 8

I recently tried Ubuntu and installed over my old Windows 7 partition. There was a host of problems here but I eventually solved them and managed to boot into Ubuntu, but the issues continued with ...
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14 views

Mythbuntu / XBMCbuntu installer does not recognise installed operating systems

I have a system with 13 partitions, running 2 installs of windows 7 and a few installs of Ubuntu 14.04. Grub is the bootloader, and all is working well. I often install a fresh Ubuntu to partitions 10 ...
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141 views

I can not install Ubuntu 14.10, GNU GRUB error

I downloaded Ubuntu 14.10 and used Universal-USB-Installer-1.9.5.8 in order to install ubuntu using a pendrive. When I restart my pc and choose ,from the boot menu, the usb it shows a black screen ...
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2answers
35 views

How do I replace the default GRUB bootloader?

I have 2 distributions in my PC. Ubuntu and Linux Mint. Linux Mint was installed second, but I work mostly in Ubuntu.  Whenever I install new kernel in my ubuntu, I have to run update-grub from ...
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1answer
87 views

Step by step instructions on how to remove grub2 or mount the EFI partition and delete files (UEFI)

everyone very sorry if this is a duplicate question however I cannot seem to get the instructions on other questions to work. I have been trying to uninstall grub and Ubuntu. I have looked at a lot of ...
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18 views

edit Grub bootloader both

I've had some boot problems after installing Ubuntu 14.04 to my new SSD (sdb1) adding Windows 10 technical preview afterwards (sdb3) and leaving my old Windows XP on my hdd (sda1), but now everything ...
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0answers
52 views

unable to boot in windows 8.1 after installing ubuntu 14.04.1 and using boot repair

i installed ubuntu 14.04.1 alongside windows 8.1. After installation ubuntu was not able to boot, so i used boot-repair option for ubuntu. But after that i am not able to boot windows 8.1. it is not ...
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94 views

Dual booting android-x86 and ubuntu

I came across this post and I tried this with no Luck. I have a sony vaio laptop i am testing this on with android-4.4-RC2 build. I have used the grub customiser to edit the menu entry and this is my ...
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24 views

Ubuntu 14.04 LTE boots with blank screen

Ubuntu 14.04 was working perfectly on my university laptop Hp Probook 440G2 until I filled the drive fully.It gave me a warning that only 529mb is available.Then I tried to install Vlc media player ...
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1answer
22 views

Windows 8 shows up twice in Grub menu

I have a dual-boot installation with Ubuntu 14.04 and Windows 8. I recently came across grub error and had to use boot-repair-disk. Now after fixing the system, Windows 8 appears to twice on sda1 and ...
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51 views

Add boot entry for Windows 10 Technical Preview on USB flash drive to GRUB2

I downloaded Windows 10 Technical Preview. I used Command Prompt with administrator privilege to execute the following command in order to install it on my 16 GB USB flash drive: Dism /apply-image ...
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0answers
67 views

grub2: system restart after menu (nvidia, crypt)

I got a ThinkPad T410i and I installed Ubuntu 14.04.1. Grub is showing up but if I select any Ubuntu boot option the system does a reboot. My first search brought up to add nomodeset because of the ...
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28 views

GRUB with Windows 8 or 8.1?

Is there any way to boot a Windows 8.1 64-bit install media with GRUB installed over Windows Boot Manager? I need windows, but want to keep Ubuntu still.
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1answer
33 views

Ubuntu black screen after install!

Here goes my problem: I've just finished installing ubuntu onto a computer who, has 1 SATA DVD-RW device and 1 IDE HDD on slave, just after installation finished grub trows me an error like this: ...
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18 views

I have Windows 7 installed along side ubuntu. Windows 7 hibernated and now won't boot

I didn't have any problems with it until today when windows 7 went into hibernate due to low battery. Windows 7 is still displayed as an option in grub, but when I select it, my computer restarts. Can ...
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24 views

Ubuntu stuck on booting

Ubuntu stuck at booting showing only the logo.. When I press Esc, the boot seems to be stuck at : Stopping samba auto-reload integration.. How can I fix this problem?
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8 views

grub rescue> with partition error

i had dual boot that is ubuntu and win7 in my pc ..but unkonwingly using the mini partition tool i have deleted the partition of ubuntu and created a new partition for windows7 ,which is a partition ...