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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How do I speed up how fast GRUB starts/hands off to OS?

After the BIOS finishes its POST, grub starts but the time between the BIOS finishing and seeing the Ubuntu startup screen takes maybe 3 or even 4 seconds, and when I set it to take 5 seconds to ...
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48 views

Installed Ubuntu 14.04 after Windows (dual-boot) - Windows now no longer boots up

I recently installed Ubuntu 14.04 after several failed attempts at other distributions running alongside Windows 8.1. I have managed to successfully install Ubuntu 14.04 alongside my Windows 8.1 ...
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22 views

How long for 14.04 installation to repartition disk

So I wanted to replace 12.04 alongside W7 by 14.04 alongside W7. Trying the upgrade path resulted in a crash, grub badly mutilated apparently. So tried a fresh install. 14.04 recognises W7 so I ask ...
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19 views

I'm not getting a grub menu on boot

instead i'm getting a blue screen saying you need to repair your device(0x0000225).but however i'm getting a "Ubuntu( WDC 00xxxx)" option when i enter into boot device options in my bios and when i ...
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41 views

after installing second distro, seperate grub2 installs

I was googling a lot, but couldn't really find any solution. I installed Kubuntu 14.04 (sda2) with seperate home partition (sda4) in EFI mode. Then I decided to install a second distro (Ubuntu Studio ...
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35 views

core.img cannot be found

I get this after trying to reinstall grub using boot-repair: Grub2 (v1.99-2.00) is installed in the MBR of `/dev/sda` and looks at sector 778209992 of the same hard drive for `core.img`, but ...
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59 views

I Installed Ubuntu 14.04 and im not getting the grub bootloader [closed]

So installed Ubuntu and wiped windows 7 out. Now when i start the computer, it displays a black screen. I installed Ubuntu via a live USB. Then i went into ubuntu live and tried to install grub but ...
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41 views

Add a grub menu entry that boots into my current install but with a different runlevel

I am running the latest Kubuntu (14.10) and would like to add a grub2 menu entry that allows me to boot straight into a different runlevel? I would like to modify /etc/rc3.d or /etc/rc4.d to boot ...
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43 views

No GUI install Grub Customizer 14.04

Don't see Grub Customizer in system tools and can't start using gksudo Terminal command line paste: user@LC2530Sb:~/Desktop$ sudo add-apt-repository ppa:danielrichter2007/grub-customizer [sudo] ...
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19 views

wont see windows7 in grub after moving drives to other pc

i have moved 2 hard drives to new pc, repaired grub, ubuntu was detected successfully however windows wasnt detected, i did use BootRepair few times here is Boot Info Summary, its quite a mess ( as i ...
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21 views

how to uninstall ubuntu

Friends! i met with a strange problem. its a bit lengthy. i created a bootable pendrive of ubuntu 14.04. when i started my pc and opened boot menu and choosed the device which contains ubuntu and ...
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1answer
75 views

GRUB fails to load Windows in “dual-boot” with ubuntu

I've just installed Ubuntu from live DVD in my external HD to try it before using it in dual boot with windows 8. I deleted my Windows backup to make room for it so, even if I have the rescue disk I ...
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1answer
58 views

Ubuntu installation failure - Unable to install GRUB

Lately I bought a new laptop - Lenovo Yoga 2 Pro 13" - Intel i5-4210U, 256 SSD. I have tried to install Ubuntu 14.04 using this guides: Ubuntu on Lenovo Yoga 2 Pro ...
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1answer
32 views

Customize Ubuntu GRUB

I want to fully customise the GRUB menu, is that possible? I mean, on the top of the grub screen, its written "Ubuntu GRUB 2.0 " such and such, I want to change these texts also. SUppose i want to ...
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19 views

GRUB2 - Boot streight to windows [duplicate]

I'm planning on installing lubuntu, duel booting with my windows xp, but i know that my family will have troubles with using GRUB boot loader, so, my question is, can i make GRUB boots streight to ...
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15 views

reboot or select proper boot media

I shrunk my windows 8.1 partition and was able to successfully install Ubuntu 14.04. The only problem was my touchpad wasn't working anymore in Ubuntu, just in windows. I found this article online ...
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43 views

reinstall grub, but ubuntu option missing

So, I just installed Windows 7, after installing ubuntu 14.04, and as I have read I should repair the boot loader for ubuntu, which I did... I followed some steps from here: ...
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500 views

How do I customize the GRUB 2 menu?

This is what my GRUB 2 menu looks like so far: I want to do a few things here: I want to rename "Windows Boot Manager (on /dev/sda1)" to just "Windows 8.1". I'd like to rename "Ubuntu" to ...
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140 views

How to fix “doesn't look like an EFI partition” with WinUSB?

Using WinUSB I get this error. I would appreciate any help as I'm trying to put Windows back on computer to please th' wifey, then dual boot so i can still use Ubuntu. Installation failed ! Exit ...
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21 views

Grub2 not running on startup, computer boots straight to Ubuntu [duplicate]

I installed Ubuntu on a new partition next to an already existing windows partition on the same disk. I set the new partition as "/", but installed the boot to sdb (windows is sdb1, Ubuntu is sdb2, ...
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30 views

Usb Boot Drive works on laptop but not desktop

Weirdest thing, I'm currently running win764 on my main dev build and wanted to dual boot ubuntu 14.04 (I have two hard drives one for each os) but whenever i would boot from the flash drive i would ...
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18 views

Windows not showing in Grub

I installed Ubuntu 14.04 on my second HDD, alongside with Windows which is on my SSD. When booting I can only see Ubuntu in the Grub list. I've tried most of the things I've found on forums and on ...
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1answer
25 views

No Grub menu on boot. windows's blue screen with error code0x0000225

ITs LONG BUT PLEASE READ!! I recently got rid of windows8.1 and installed ubuntu 14.04lts.(in c partition and i have kept all my other ntfs partitions untouched) which was successful and i had ...
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48 views

Can't boot Windows 7

I recently installed Ubuntu 14.04.1 on a dell inspiron which had Windows 7. Ubuntu is running fine. During the installation, the install alongside windows 7 option wasn't available so I used the ...
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1answer
33 views

Boot failure - goes to BusyBox - 'gave up waiting for boot device'

G'Day all Have tried installing 14.04.1 LTS on its own partition, then emptying the whole HDD and putting on and having similar results - 'gave up waiting for boot device' ...
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15 views

How to get a system installed to an external USB HDD to boot on UEFI PC

I have installed Ubuntu 14.04 to a USB HDD which I have been doing since 2011 for use on multiple PCs at work and with the HP EliteOne 800 all-in-one PS this is no longer working. The drive does ...
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2answers
73 views

Unable to boot into Ubuntu, getting a blinking white cursor

I am getting really worried -- as i really need to recover my Ubuntu --, and have wasted so much time on trying to fix this. Basically, I was just following a lab for my security class and ...
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35 views

GRUB not finding Windows 8.1

I have recently installed Ubuntu 14.04 along with Windows 8.1 side-by-side. Now I am unable to see Windows option when I start the system. Please note that I have Windows in C Drive and I had ...
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1answer
31 views

Refusal to Boot; Fixed Through Recovery; No Idea what Happened

Right now I'm using the latest version of Lubuntu 14, fyi. Anyhow, I'm not suffering a problem right now, but due to my lack of knowledge on the issue I'm not exactly sure if it's fixed either, and ...
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25 views

Windows option not available at boot time in GNU Grub

So I've crearted a big mess. I had 4 partitions. 2nd one had Windows on it, and I installed Ubuntu on 4th one and created a swap disk on 1st partition, but I was not able to run either OS. Now I ...
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281 views

Triple boot Ubuntu 14.04, Windows 8.1 and Windows 10 Technical Preview

I currently dual boot on my computer Windows 8.1 and Ubuntu 14.04 on their own partitions, I have an additional partition containing data backup which I can copy to an external hard drive, since ...
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46 views

Do not show GRUB loader after Truecrypt login and remove windows from list

I have a dualbooted laptop running Windows 7 and Kali. Kali has an encrypted partition (LVM) holding all my data and a boot partition. I recently installed TrueCrypt on my Windows computer. So I ...
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12 views

Non-interactive install of grub2 when installing from scratch

There is a very similar question here "How do I apt-get -y dist-upgrade without a grub config prompt?" about updating grub without the prompt using apt-get. However I would like to to know how to ...
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7 views

/grub/i386-pc/n0rmal.mod not found

Wiped out my hard drive and want to reinstall Ubuntu 14.04 cleanly but get the noted error and am unable to use any drives to do a reinstall.I have Ubuntu 14.04 DVD but when I attempt to use it for ...
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1answer
24 views

How to set password for grub bootloader?

How to set password for grub bootloader on Ubuntu?
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1answer
88 views

Slow Boot Times — “gave up waiting for root device” error

I just installed Ubuntu this past Sunday. This afternoon after my laptop battery was drained, I plugged it in and started to boot into Ubuntu (I have a dual-boot setup along with Windows 8.1). I was ...
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48 views

Add Windows 8.1 to Grub List

I jus bought a Lenovo t430 and it had Windows 8.1 Pro when I received it. After some hard work i've got to install Ubuntu 14.04. After the install the grub didn't shown the windows option. Login in ...
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39 views

Lubuntu 14.10 does not install correctly on Lenovo Carbon II. how do I recover?

Lubuntu 14.10 development version does not install correctly on the new Lenovo Carbons. It's something to do with the basic boot command. For instance, if I install 14.10 only, the computer does not ...
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1answer
67 views

How do I remove Ubuntu from a partition and reuse the partition for another distro?

Ubuntu has been giving me a lot of trouble with frequent freezing and I can't seem to fix it so I wanted to remove Ubuntu and try another distribution. I was thinking of either Elementary OS or Linux ...
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2answers
41 views

ubuntu unknow partition cannot mount or update grub

After a power failure, I had the following error: error: unknown filesystem grub rescue> I ran the ubuntu repair using a live usb. The log can be found here: http://paste.ubuntu.com/8464735/ After ...
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82 views

Ubuntu 14.04 GRUB cannot see Windows 8.1, boot-repair fails

In my machine I have Ubuntu 14.04 on an SSD and Windows 8.1 installed on an HDD, I can boot just fine into either if I select it's drive to boot from BIOS. This is inconvenient and I would like to be ...
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20 views

cannot scroll up and down on boot select menu with new keyboard

I just bought a razer deathstalker, which works great on my windows boot. However, I went to restart my system, and when I got to the boot menu, it was unable to move up and down to select a boot. ...
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96 views

Can't install anything on ubuntu 14.04 nor updates

installArchives() failed: (Reading database ... (Reading database ... 5% (Reading database ... 10% (Reading database ... 15% (Reading database ... 20% (Reading database ... 25% (Reading database ...
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1answer
87 views

Complications With Dual Boot Of Ubuntu and Windows 8 UEFI

I have been all over the entire askubuntu.com trying to find a solution to my present issue but none has brought any joy, so I gave up and just had to post this. I have an HP Envy M6 pre-installed ...
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2answers
63 views

Windows is protecting himself

I have installed Ubuntu 14.04.1 LTS. It is dualbooting alongside with windows 8. The computer is a VAIO SVE151G17M and they are booting from the EFI partition. Now the problem: When I start my ...
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1answer
31 views

Restore GRUB from Windows or from USB

I had a dual boot Win XP - Ubuntu. I deleted XP and I installed Win 7. Now, GRUB doesn't exist anymore. I made a live usb with ubuntu to repair grub, but usb doesn't boot(i used it in past to install ...
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224 views

'Windows boot manager' option on Grub

I wanted to try ubuntu on my laptop without installing it, so I thought that installing the “ubuntu CD boot helper” would be useful; I installed it on windows 8 and, after that, everytime I turned the ...
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31 views

What is causing this grub-install freezing issue on installation of 14.04.1 Server or Desktop?

I'm having a constant issue when trying to install Ubuntu Server 14.04.1. Every time, the installer freezes at "Running 'grub-install' dummy" where the loading bar is at 50%, where I then must hold ...
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1answer
55 views

Recover unbootable Ubuntu, boot-partition gone?

I was unable to boot Ubuntu after setting my BIOS to default. I tried Boot-repair and tried a "recommended repair". After a while it asks me to insert the following in Terminal: sudo chroot ...
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1answer
23 views

avoiding grub probleme when reinstalling a new version of ubuntu

this is my first question ever in an ubuntu forum , i sused to use google , im newbie to linux i tried near 10 linux distribution and i found that the most stable is ubuntu but i hate unity cause i ...