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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WinUSB Installation Error

I'm trying to create a bootable windows USB stick, but when I get to the installation process, it gives me this error: > Installation failed ! Exit code: 512 Log: Formating device... Mounting... ...
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How do I get past Grub and boot into windows?

I went to go uninstall Ubuntu from my laptop because it wasn't dealing with 2 operating systems and such. A tutorial I read on how to uninstall said Ubuntu can be Uninstaller with going into the ...
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Boot in text mode break X

this is my first question and i hope not be breaking any rules. I was trying to boot at text mode and followed these articles How do I boot into true text mode? Disable automatic unity launching? ...
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95 views

Ubuntu installation VS UEFI on Dell XPS 13 9343

I have heard that there are problems with Ubuntu on the Dell XPS 13 9343, however - I cannot even make the boot menu pop-up when booting from an installation pendrive (lastest Ubuntu, lastest ...
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2answers
98 views

Ubuntu 15.04 UEFI installation issue on Dell Vostro 3460

I downloaded the RTM ISO of Ubuntu 15.04 (Vivid Vervet), and I created with the latest version of Rufus the UEFI/GPT installation disk. I tried to begin the installation in the UEFI-mode, but it ...
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20 views

Ubuntu 14.04 will not load after grub when it did before

I have been using ubuntu 14.04 for a few months now and it's been working fine, today I can't load after the grub menu, all I get is a black screen with nothing happening. Is there any way I can ...
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43 views

Stuck on login screen after upgrade to 14.04

I just upgraded from 13.10 to 14.04. The new system worked perfectly while the computer was still on, but after I shut it off and tried to boot, I started getting some really strange errors. First of ...
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21 views

Should grub be removed before reinstalling Ubuntu?

I once installed Ubuntu alongside Windows 8. I then removed Ubuntu by formatting the partition. Ubuntu was gone but the grub remained. Should I remove grub before installing Ubuntu again?
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1answer
175 views

Ubuntu 15.04 on USB with UEFI

My desire is to do the following. The computer has W8.1 on the HDD and it is using UEFI I want to install Ubuntu 15.04 on 32GB USB stick in a way that I can install regular updates and it remembers ...
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28 views

“Your PC ran into a problem” and it never restarts

I had the "Your PC ran into a problem" blue screen while I was using Visual Studio in Windows 8.1, and then I am never able to start Windows 8 again. Now after I set Windows as BIOS boot option 1, I ...
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43 views

Ubuntu fails to install grub on dell optiplex 9020

I have a Dell in which there is a first drive running Windows 8.1 With UEFI, this works fine. In order to install Ubuntu 14.04LTS I had to disable secure boot. A second drive is in the machine, a ...
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HP Compaq laptop video problem; with Ubuntu but not with Linux Mint

I have an old laptop: an HP Compaq nc8430. I've spent several weeks installing different operating systems on it, and have come across an odd problem. I can install and boot Linux Mint on it with no ...
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46 views

Cant boot into Windows 8 through grub2 menu

I installed kubuntu15.04 alongside windows8.1 and it worked perfectly for some days...but it stopped showing grub menu so I installed EasyBCD software and I think I messed up with its settings AND NOW ...
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1answer
53 views

Rescue mode right after installation

I recently installed Ubuntu on my computer. I installed it on my 2nd hard drive with the mandatory partitions (Root, /home, etc.), and installed correctly. When it was finished, I restarted my ...
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22 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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25 views

How do I boot Ubuntu from the grub prompt

Short question: my computer shows a grub prompt when I start up, how do I boot Long question: After I dual Ububtu 14.04 on a Windows 8.1 computer using this guide: ...
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1answer
78 views

Upgraded to 15.04; hangs on login screen?

I'm somewhat worried about what has happened upon upgrading to 15.04. Just based on the symptoms, I believe it is an issue with GRUB boot flags, or perhaps something with the graphics driver. I'm ...
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27 views

Installing Ubuntu on external drive

I have a system running ubuntu 14.10. I have installed another ubuntu (14.04) into my external drive. The new installation is bootable from a windows 8 laptop but not bootable from my ubuntu laptop. ...
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25 views

Grub cannot boot after loading drivers, after a boot-repair 14.04 [duplicate]

Something happened to my Ubuntu installation and I got a GRUB RESCUE> prompt which did not let me boot into Ubuntu. My CPU is a Gygabyte, so in all its existence, Ubuntu 14.04 has been the only OS ...
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20 views

15.04 Uograde alongside windows 8.1 duel boot

Having run a dual boot since 14.10 Ubuntu, it has run perfectly smoothly and updated happily; however I installed the 15.04 upgrade yesterday and now the GRUB menu appears and boots smoothly into ...
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343 views

I cannot re-install Ubuntu 15.04 alongside windows 8.1

This question may seem repeated but I have other more issues. I installed 8.1 in my dell 5537 and dual booted it with ubuntu 14.04..I worked well..I installed with alongside windows option..It took ...
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Stuck on “Loading initial ramdisk” after live cd change on root filesystem

I am running Ubuntu 14.04 LTS Server with the newest Updates in a Virtualbox VM. It has EFI boot on a 512 MB Partition, /boot on a 300 MB ext4 partition and / on a luks encrypted 7GB ext4 ...
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128 views

Ubuntu 14.04 and 15.04 freeze on shutdown/restart

I've been using ubuntu 14.04 with unity for a few months on my current laptop without any issue until today. I had to install Windows 7 in order to use a software which isn't available on linux. ...
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112 views

Ubuntu on DigitalOcean does not use the latest kernel

On a digialocean's VPS, I have some linux kernel installed. This is the result when I do sudo update-grub : Found linux image: /boot/vmlinuz-3.16.2-031602-generic Found initrd image: ...
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46 views

Ubuntu 14.04.1 server won't boot; cannot get past “grub rescue”

My Ubuntu server was not responding so I hard rebooted it and it will now not boot up at all. My Ubuntu server is an HP Proliant box running Ubuntu 14.04.1. The boot partition is a 16GB USD drive, ...
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24 views

can't access grub

I'm a beginer and installed ubuntu 14.04 alongside windows 7 but grub doesn't come up, it goes straight to windows. I booted the live cd, in terminal typed sudo fdisk -l and this is what I got ...
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71 views

Unable to Boot to Either System After Dual Boot Install

I just performed a clean dual boot install on an HP laptop that came with Windows 8. The install said it had completed successfully, but when I restart the machine, or power down and power back up, ...
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3answers
40 views

Reduce Grub Menu Items

I have done quite a bit of fiddling and reinstalling of grub. I can get my machine to boot using the first few entries, but I would like to clean up the grub menu. I have tried deleting grub.cfg and ...
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2answers
39 views

I installed windows 8.1 and ubuntu 14.10 only windows 8 boots

I had a windows 7 and Ubuntu 14.10 then i upgraded windows 7 to 8.1 now I cant get Ubuntu to boot I now have grub but grub will not find Ubuntu http://paste.ubuntu.com/11019932
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2answers
44 views

Dual boot into ubuntu with windows boot manager?

Noob here, please bear with me. I installed Ubuntu 14 LTS on a separate partition of size 10GB and formatted it to ext4 during installation. Now it is not visible through windows. The installation ...
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20 views

Compile kernel gets no error but version doesn't change

So I'm trying to compile a linux kernel in Ubuntu 14.04 to change the linux version from 3.16 to 3.14.4 and also to change one thing in config. I followed this tutorial step by step. Exept Step 6 ...
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50 views

Remove upstart option from GRUB

For each Kernel I use with my 15.04 install I have three options in GRUB: normal (systemd) upstart recovery How can I remove the upstart option for all my Kernels?
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26 views

Why Windows Bootmanager still has Ubuntu option from wubi? [closed]

I installed Ubuntu 12.04 quite sometime back using Wubi on windows 7. It allowed me to dual boot into ubuntu. Unfortunately the partition is a tiny 7 GB partition and ubuntu did not allow me to ...
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Wrong screen resolution in Ubuntu/Windows Dual Boot

I've found related problems that usually advise updating GRUB or the NVIDIA drivers online but nothing exactly like my use case, so I apologize if the solution is already addressed somewhere here. I ...
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1answer
22 views

Pointing Grub Rescue to the correct .mod

I've borked my ubuntu installation. It seems to have mixed up whether to use bios grub or efi grub. When I get to grub rescue, I can find all the mod files I need at ...
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1answer
18 views

Can not turn off GRUB Menu

There seems to be a lot of info on the web on how to turn off grub menu on a dual boot system (Ubuntu 14.04/Windows7) and a whole lot of answers which all seem to end in "It didn't work"! Is there a ...
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25 views

Ubuntu not starting after resizing partition

my (K)Ubuntu 15.04 on btrfs ran out of space. So I fixed the issue and also resized the partition (including the btrfs volume). The next time I tried to boot the following lines showed up: Loading ...
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1answer
48 views

Ubuntu does not boot on mainboard with UEFI

Windows 7 64 bit and Ubuntu 14.04 64 bit were installed on a new SSD on a computer with old motherboard (no UEFI). Dual boot with GRUB2 worked perfectly well: Windows and Ubuntu could be executed and ...
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1answer
44 views

Ubuntu live usb installer wont boot up

Good day, Can anyone help me in regards to the installation of ubuntu 15.04, first of all I've downloaded the amd64 or the x64 version of it, after making a bootable flash drive using the Universal ...
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2answers
47 views

Black screen on boot with thinkpad yoga 14 and ubuntu/windows 8.1 dual boot

I tried to install ubuntu 14.04 on my new thinkpad yoga 14. The installation seems ok I can choose windows when GRUB starts and it works. But if I choose ubuntu I get a black screen and have to hard ...
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How to add memtest86 entry to grub2 menu? [duplicate]

I want to test new memory, but can't find memtest86 entry in grub2 menu. I looked at script /etc/grub.d/20_memtest86+ and found this lines # We need 16-bit boot, which isn't available on EFI. if [ -d ...
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16 views

windows 7 failes to boot afetr installation of ubuntu

I'm trying to install Ubuntu 14.04 with Windows 7 system. After the installation I can't boot into Windows 7 system, when I select the Windows 7 boot loader in GRUB2, it hangs for seconds and then ...
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68 views

Need to press the power button twice for Ubuntu 15.04 to boot

I have a dual boot set up (Windows 7/Ubuntu 15.04). I've recently upgraded from 14.04 LTS to 15.04 and since then, I have to press the power button twice. The first time it goes to GRUB without any ...
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6answers
383 views

hide grub on computer start

I tried all the methods that comes in google search for "hide the grub menu on computer start", but still no luck, I guess things work differently on Ubuntu 15.04 ? this is my grub # If you change ...
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1answer
32 views

Windows7 is not starting

First I install Windows7 and then installed Ubuntu 14.04 32 bit. Now when I restart machine, there is option to start windows, but sometime it is starting and sometime it displays blank screen. I ...
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0answers
44 views

GRUB Loading, please wait … Error 17. How can I get my computer to boot?

I don't have a working CDROM and cannot boot from a USB as far as I know. I partitioned the HD and I think I made the mistake of making that partition a bootable one. Now I get the message: GRUB ...
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1answer
26 views

Unknown chipset drm failed after grub

I have been receiving this error every time I try to try Ubuntu or install it. I boot it in non uefi mode ( if its in uefi the screen is just blank) and choose my language. I pick an option and this ...
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102 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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563 views

{4.047432} ACPI PCC probe failed on Ubuntu 15.04 default boot

I've installed ubuntu 15.04 today & got this error. [4.047432] ACPI PCC probe failed on Ubuntu 15.04 default boot Don't know what happened I can't get to login screen. From advance option i'm ...
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1answer
28 views

Ubuntu boot menu showing up instead of Windows

I'm totally a newbie to Ubuntu, disk partitioning and stuffs. I had installed and un-installed Ubuntu(14.04 LTS) in an atypical way several times and screwed up my disk partitions. But when I thought ...