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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triple-boot pc: move grub and unify partitions

I have a triple-boot pc with following partitions: sudo fdisk -l Disk /dev/sda: 750.2 GB, 750156374016 bytes Device Boot Start End Blocks Id System /dev/sda1 * ...
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1answer
53 views

How to dual boot between Windows 7 and Ubuntu? [duplicate]

I have installed Windows 7 a couple of years ago, now install Ubuntu for academic purposes, partition the disk and perform other procedures in the installation. But when I restart the computer I can ...
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37 views

Windows partition encrytped ,unable to boot from grub menu

I added a window 7 entry to 40_custom under /etc/grub.d . The windows entry appears in the grub menu after a grub update , but when I click on the windows option, I get an invalid signature . I used ...
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23 views

how to fix this error code for ubuntu

Hello everyone i have alot questions to ask first 1) i want to fix this error. This error happen when i was trying to make grub menu always show up when i turn my conputer on and so. The reason why i ...
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0answers
65 views

Can not boot Windows 7 after install Ubuntu 14.04

Hi I am having problems for booting windows in latest ubuntu 64 bit which boots normaly, its a laptop and never had windows installed and uses UEFI and Legacy modes. This is part of the ...
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1answer
37 views

Grub2 doesn't show Windows 7

I did reinstall UBUNTU 14.04 after having some issues with grub, the problem is that I can't access to my windows 7 anymore as the grub menu shows only Ubuntu partition. P.S/ during the ...
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1answer
28 views

Trying to do an Ubuntu/Windows dual install but only Windows 7 pops up

So I've been running Ubuntu without Windows. I got a Windows 7 live CD and tried to do a Windows 7/Ubuntu dual boot but I couldn't get the boot to load correctly so I decided to go back to just ...
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15 views

Issues with BootRepair and GRUB [duplicate]

I have got a new Acer net book with Windows 8 and EUFI on it. The first thing I attempted to do was install Parrot Sec Linux, and I did so with a boot able USB created with Win32DiskImager. I was able ...
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1answer
18 views

Can't boot anything

I'm selling my laptop, so i decided to erase my Ubuntu partition, so i got the grub screen, at that point i could still access the boot menu trough initrd, but after following a tutorial in how to fix ...
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13 views

Logging into my user account sends me back to login. Xserver? [duplicate]

Solved Running sudo startx must have changed the ownership to root so ownership must be taken back. At the login screen press Ctrl+Alt+F1. Enter your credentials to login then enter ls -la and you ...
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34 views

GRUB2 does not boot Windows 7

I run a dual boot system with ubuntu 14.04 and Windows 7 64-bit. When my Windows refused to un-hibernate, i pressed the reset button and booted ubuntu. Now, when I select Windows 7 in GRUB2, i get ...
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25 views

fdisk /dev/sda fail, possible to restore?

I'm new here, so I hope I post this in a place where someone is able to help me. Earlier today I was messing around with fdisk to be able to run my windows partition through a VirtualBox. At a point ...
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1answer
24 views

Grub from Ubuntu 12.04 to Ubuntu 14.04 32 bit

My Grub says Ubuntu 12, but I already have Ubuntu 14.04. Why does it say that the version is 12?There are too many options in the Grub menu, how can I clean it?
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1answer
33 views

Ubuntu-gnome now alone on harddrive, how to remove multiboot menu [duplicate]

I want to remove all trace of multi-boot now and make Ubuntu boot up without grub that was installed when Windows 7 was there. Now Windows 7 is gone but not the boot menu. How do I remove this?
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1answer
53 views

boot from USB drive Ubuntu or Windows 8

As security I would like only when I have the USB drive plugged in the laptop to be ask if I would like to boot my Ubuntu desktop otherwise to boot my installer Windows 8 . Could anyone let me know if ...
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2answers
154 views

Install Ubuntu 14.10 on secondary UEFI partition

Trying to install latest Ubuntu desktop release 14.10 on a new system with 64-bit Intel X99 motherboard having UEFI firmware. For the installation I am using a USB EFI formatted live USB stick. My ...
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18 views

Incomplete boot, but not every time [duplicate]

I have an old PC with 12.04 LTS on it, used headless for NAS. It's set in the BIOS to boot on AC application and grub2 is set to continue after a 10 second wait time. Every "X" number of boots (less ...
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34 views

Grub menu flashes with USB keyboard - cannot select

I'm having issues with the grub menu using a USB keyboard on a new 14.04 install (dual booted with windows 8.1). The menu appears, but when I try to navigate down, to say, select windows, the cursor ...
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28 views

How do I only install ubuntu 12.04 in hp z400 workstation?

I am trying to install ubuntu 12.04 in hp z400 workstation which has windows installed before. When I tried to install ubuntu, I got this error: “Unable to install GRUB in /dev/sda”. When I chose ...
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29 views

Ubuntu 14.04 Wubi installation; Ubuntu found critical errors in /

So, the other day, Windows was falling apart and I used Wubi to install Ubuntu 14.04. I then used another program which let me put Ubuntu as the default OS. But, unfortunatly, no boot manager comes up ...
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1answer
43 views

Ubuntu partition merge with windows partition [duplicate]

I had 2 partitions more or less 225GB each one. In the first partiton I had installed Windows 8 and in the second I have installed Ubuntu 14.0 2. My problem is that when I installed Ubuntu in the ...
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46 views

Minor problem with Grub entry for Windows 8.1 - Only Windows Boot Manager shows

I have done the seemingly impossible. I've installed Ubuntu 14.04.1 on a machine that came with Windows 8.1 pre-installed. Yes, it took some tweaking. But I finally got Grub to load up when my ...
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70 views

SeaBIOS will not boot grub anymore on a HP Chromebook 14

I removed ChromeOS by reformatting the partitions after I got SeaBIOS to boot grub into Ubuntu 14.10 successfully (worked for weeks). However, it will not boot grub anymore randomly. And there is no ...
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26 views

Boots to black screen only from hard drive [duplicate]

I have an ASUS X200MA that came with Windows 8.1. I got it to dual boot with Ubuntu 14.04 and I have used it for months. It suddenly ( perhaps after running a windows update ) started turning off the ...
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1answer
84 views

Ubuntu Server 14.04.1 Boot loader Not Showing Up

I am trying to install Ubuntu Server on a 4TB hard drive and I can not get the system to see the boot loader. I had originally installed Ubuntu Server on this exact same computer with a 500GB hard ...
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68 views

(Almost Solved! Help!) 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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1answer
27 views

Grub problem in uninstallation of Ubuntu in Windows 8 [closed]

I uninstalled Ubuntu by following the online instructions here. First, I addressed the command prompt to fix the boot. After typing bootrec /fixmbr and bootrec /fixboot , I did not reboot my PC and ...
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126 views

Booting Ubuntu 14.10 from External HDD ('Grub Loading.' message)

I'd just like to pose a question to see if anyone can offer me some help or insight to solving my problem. Simply put, I am trying to boot Ubuntu 14.10 from an external hard drive. I successfully ...
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19 views

How to load Windows from GRUB 2.02 (after unistalling Ubuntu) [duplicate]

I wanted to uninstall Lubuntu 14.10 (dual-boot with Windows8) so I used EasyBCD 2.2 and deleted the partitions of Lubuntu (I followed a video tutorial for using EasyBCD). But now as I turn the PC on, ...
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50 views

Macbook Pro 5,5 will only boot 14.10 through recovery mode

I've installed Ubuntu Desktop 14.10 on a 2009 13" Macbook Pro (5,5). I installed it from an SD card, to an external FireWire drive (single boot). The install went smoothly. Now when I try to boot, ...
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1answer
37 views

Making ubuntu take over windows space on mac

I have a macbook with triple boot OSX, Windows 7,and Ubuntu, which took me 2 weeks to make it work. I boot with the rEFInd and Grub2 boot menus and have now discovered I don't need Windows anymore. ...
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1answer
170 views

Bootloader location, dual boot Ubuntu 14.10 & Kubuntu 15.04

I am currently running Ubuntu 14.10 on my laptop. I dual boot with Windows 8.1, and now I would like to install Kubuntu 15.04 alongside all this to see if KDE Plasma 5.2 + SDDM works with nvidia-prime ...
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1answer
29 views

Problem with double screen when turn on the PC

when I turn on the pc the GRUB appear in my VGA screen and I want that GRUB appear in my HDMI screen, any solution?
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1answer
20 views

Can't boot after removing Ubuntu

Okay, so I wanted to decrease the Ubuntu partition from 128GB to 64GB. Windows wouldn't let me do that. So I figured I'd delete the 128GB partition and create 64GB and reinstall Ubuntu. But after I ...
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1answer
156 views

Dual Boot Windows 7 & Ubuntu-Win7 does not show in Grub menu [duplicate]

I recently installed Ubuntu onto my PC. When I went to install it, there was no option to install alongside Windows, so I partitioned space for it myself. Ubuntu booted up just fine, but when I went ...
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1answer
35 views

Sony Vaio S dual boot issue

I used usb stick to boot and install Ubuntu in legacy boot option since it did not boot in UFI Install alongside windows option was not available so I install it manually everything went fine but ...
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41 views

I dual booted Ubuntu 14 with Windows 8.1, now I can't boot into WIndows 8.1 in GRUB.

I tried using boot repair, it didn't work, and my only option on the GRUB is Ubuntu. Here is the link to my boot repair if it helps. http://paste.ubuntu.com/10239509/
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1answer
71 views

No Linux OS will install

To my dismay, I have attempted to install several Linux systems in the past month. I have tried Oz Unity's Star Sapphire 3 times now without success. The first time it installed without issue, ...
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45 views

tty1 login screen after fresh install of Ubuntu

Trying to install XUbuntu. I'm new to Linux. I have a 32 bit Intel Pentium 4 processor with 2 GB memory on an R 82945 G express family chip set. 80 GB on hard disk. I installed from live CD and chose ...
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1answer
122 views

Ubuntu 14.04 Desktop on RAID-5 with LVM, GRUB failed to install

I want to configure a home media center and file storage, to keep the data safe I want to use RAID-5 (I have 4 HDs) and LVM for future scaling. I've configured RAID-5 and LVM, but GRUB installation ...
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24 views

Dual Boot, autorun fail, unfamiliar with Grub, etc

I am a new ubuntu user. I have a new Windows 8 machine and wanted to be able to dual boot by putting ubuntu on an external usb 600gb hdd. I followed the directions I found here: ...
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2answers
92 views

No dual-boot available after installation of Ubuntu 14.10 alongside Windows [duplicate]

After I completed the installation of Ubuntu alongside Windows I don't get the option for dual boot, it boots straight to Windows. I used an USB stick to install.
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30 views

Backing up Entire Ubuntu System to External Hard Drive with Windows Partition [duplicate]

I just used the windows backup utility to store a bootable image (I think..) to a 1TB external hard drive. Do I have to store the Ubuntu partition (backup) to a different sub directory in the hard ...
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0answers
105 views

Booting ubuntu 14.10 from usb produces grub error “incompatible license” and lands into grub rescue

I recently installed ubuntu 14.10 into a 16gb usb pend drive using another live usb drive on my hp compaq desktop computer. After the installation, when it starts to boot from the 16gb usb it says ...
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2answers
127 views

Where to install bootloader for ubuntu/windows dual boot ssd+hdd

I'm brand new to ubuntu, but I've done a lot of research and I'm currently in the middle of installing ubuntu on my laptop. I looked everywhere for an answer to this question, but every answer out ...
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1answer
29 views

2 Linux Software but only want to uninstall 1

Hi I have 2 Linux and a Windows in my system. 3 partitions. I deleted 1 Linux and want to keep the other one. I have to reload my Windows loader to prevent GRUB error. My question is if I repair my ...
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1answer
58 views

Loading freezes after kernel update

I installed new kernel - 3.19 today, previous kernel is - 3.16.0-30-generic. New kernel with the same configuration that was in previous and grub config is the same too..., instead of vmlinuz and ...
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1answer
37 views

How to create a GRUB2 entry for a “LiveSD” Card

I want to be able to boot any OS (this case: a Live version of Kubuntu) installed on a SD card (not USB). I have followed the instructions given for a USB. However that won't work properly, the ...
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4answers
164 views

Grub not loading

About a month ago I installed ubuntu 14.04 on my computer. I did not replace the Windows 8 that I was previously using. While ubuntu has by and large been working very well, one issue is that grub ...
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50 views

Need to update grub menu entries

I have an external drive that I boot from USB for a test environment. I partitioned it install multiple Linux distros. First install was Ubuntu 12.04, second install was Centos 6.5. When I booted ...