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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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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2answers
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Ubuntu 14.04 not booting after error message. /tmp could not be mounted

I recently installed Ubuntu 14.04 using WUBI and after installation when it booted it showed an error: Serious errors were found while checking the disk drive for /. There were three options: ...
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After installing Linux, booting up computer shows no bootable device found

However, I can still boot to windows or ubuntu by selecting a specific disk to boot to. It seems that the computer won't go to grub when turned on. Here is some more info: ...
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1answer
3k views

What location to put bootloader, when running multiple drives and partition

I have Win8 on my desktop, where a 120G SSD is used to run windows and some select applications, while I have a 2TB HDD to provide basic file storage and where possible, install applications instead ...
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1answer
7k views

How can I add a new operating system boot entry to the GRUB2 menu?

I'm pretty new to Linux, but over the past few days I've taken it upon myself to give it a shot. I'm trying a few different distributions just to kind of get a feel for different versions, and this is ...
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1answer
18 views

new motherboard, old disk: “Gave up waiting for root device”, dropping to initramfs; grub reinstallation doesn't help [on hold]

I want to use a new motherboard with an old disk. The disk has just one partition, with Debian/jessie installed. On booting, Debian is found and begins to start up with usual dmesg output lines. After ...
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20 views

Unable to automatically boot to grub

I am running ubuntu 14.10 in dual-boot with Windows 8.1, and I was having no trouble until I tried testing out TAILS and couldn't find it in grub, so I installed rEFInd. I later tried uninstalling it, ...
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1answer
40 views

Grub doesn't appear Ubuntu 14.04

I have a problem when I start my computer. The problem is that when I start the computer, grub doesn't appear but it is installed. Firstly, I installed Ubuntu instead of Fedora 21 (I had Windows 8.1 ...
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18 views

Remove GRUB Bootloader from Mac Yosemite

I've seen the posts here: Remove Grub Loader from Mac - USB Thumbdrive installation and here: http://hints.macworld.com/article.php?story=20091111185717745 but I've got Yosemite, and in Disk ...
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21 views

adding windows 8 entry in grub

i have windows 8 in my hard disk and i installed Kali on a pen drive disk(not live). after installing i could not boot into windows i un-installed Kali but grub is still my boot loader and it does not ...
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2k views

WIndows 8.1 not showing up on GRUB during boot up. Windows 8.1/Ubuntu 13.10 dual boot

I have recently installed Ubuntu 13.10 along side Windows 8.1 on my Laptop. After the install of Ubuntu and restart, everything worked fine. Windows 8.1 showed up in GRUB when the PC restarted to ...
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13 views

Disabling IRQ #11

I am kind of a noob with linux. I know simple commands like sudo apt-get and things like that. But I have been having problems with my computer. a lot of times I will start my computer and it will ...
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1answer
3k views

Got error 'GRUB installation failed' while installing ubuntu 12.04 lts on windows 8

I have Sony vaio with Windows-8. I also want Ubuntu 12.04 as my second OS. I created 50GB root partition and 4GB swap-area partition. But after some time(about 2 minute) while installation I got ...
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1answer
73 views

Can't put windows on a flash drive, even with dd, winusb and unetbootin

How can i install my windows 7 iso to a flash drive? dd seemed to have worked, but when i booted it did not work, saying grub: no such partiton Which is odd, considering i did not remember installing ...
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2answers
3k views

Can't access BIOS and installing a windows hard drive

Built new computer: AMD FX-8320 Eight-Core Processor × 8 9.7 GiB RAM Graphics GeForce GTX 650 Ti BOOST/PCIe/SSE2 Ubuntu 13.10 64-bit Desktop Computer 1 TB HardDrive BIOS Type, UEFI BIOS ...
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16 views

On a Ubuntu PC graphics became slow and jumpy after making changes with GRUB2

On my Ubuntu system all worked well until I created a separate dedicated boot partition and got GRUB2 working on that partition... It boots, but my graphics became slow and jumpy. The resolution is ...
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1answer
34 views

After installing xubuntu, I did not get a boot loader, help?

I searched on google and tried the boot repair program that you install on a flashdrive and boot from it to reinstal/fix grub but when I use the program, I get an error that says "The boot of your pc ...
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25 views

(GER) Wide font in Ubuntu at Start-up, unreadable/blurry

When I boot my laptop, I see messages that tell me what happens during boot using an unreadable/blurry font. When I change /etc/default/grub and set GRUB_CMDLINE_LINUX_DEFAULT="quiet splash ...
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1answer
9k views

How to auto boot to ubuntu instead of showing text mode grub menu on power failure [duplicate]

Text mode boot screen shows when the PC is started. (it shows when for some reason, restart was not done safely, but in remote location I must need to boot the PC on power on) How can I on power ...
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2answers
3k views

Why can't I install GRUB on my USB drive?

I'm trying to install Lubuntu to a USB drive, but I'm having a difficult time installing GRUB to the drive. The rest of the install seems to go fine. This is what I have tried Went through the ...
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10 views

Booting from USB sends me to Grub Rescue Mode

I have Ubuntu 14.10 and I followed the instructions here perfectly and I used the BIOS to boot from my USB (F12, InsydeH20) and after a few seconds, it sended me to Grub rescue mode. Whenever I boot ...
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12 views

Installed Ubuntu on Mac (no dual boot), now am stuck in grub rescue mode

Prior to attempting to totally eliminate OS X from my Macbook Pro, I had had a dual boot through rEFIt. rEFIt gave the option for either OS X or Linux Mint. It worked fine until I updated my OS X to ...
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2answers
3k views

GRUB / os-prober doesn't see Windows 8.1 partition

I have a 1 TB HDD with seven partitions, one ~600GB for Windows and one ~300GB for Xubuntu and a bunch of assorted system partitions taking the rest of the space. I recently overwrote my Xubuntu ...
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2answers
3k views

Dual Boot Windows 8 and Ubuntu [duplicate]

My laptop has two hard drives, one 320GB HDD and a 30GB SSD. I installed Windows 8 on the HDD and Ubuntu on the SSD. However, after I installed Ubuntu, Windows 8 did not appear on the boot list. I ...
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2answers
24 views

Choosing OS grub screen not displaying

I installed Windows 7 after Ubuntu 14.04. I recovery GRUB, but when I start system the Grub window where I need to choose the OS not display, and Ubuntu loads by default. What did I do wrong?
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3answers
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/dev/mapper/ubuntu--vg-swap_1 is not ready or not present

This is frustrating as heck, I moved away from Windows 7 OS because of issues, errors, and such and was sold to Ubuntu because it was supposed to be reliable, and now errors and issues right after ...
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1answer
4k views

how can I fix error: hd0 out of disk?

I am running Ubuntu 12.04 on a netbook - Acer AS 1410. After a download session, I restarted the computer and it said: error: hd0 out of disk. Press any key to continue... I pressed ...
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1answer
121 views

Make grub run before Windows boot loader

I have installed Ubuntu next to Windows 7. When I restart PC, MBR loads the Windows loader first then if I choose Linux, I have grub loaded. My problem is that I would like Grub to be loaded first.
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1answer
1k views

USB Keyboard & Mouse Stopped Working (Ubuntu 14 LTS)

I've been using Ubuntu 14 LTS on my work desktop, laptop, and home desktop without any problems. Does anyone know what I can do? What Works: Keyboard on Boot Keyboard in BIOS Keyboard/Mouse on ...
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20 views

Ubuntu Desktop 14.10 on Lenovo G505s Purple Screen Problem

Alright, I have been on every forum and website I can think of to fix this but with no success. My system specs are as follows: Lenovo G505s- AMD A10-5750M, 16 GB DDR3 RAM, AMD Radeon 8570M 2 GB, ...
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1answer
544 views

Windows 7 hangs at grub's purple screen when dual booting

I have installed a new laptop (Lenovo Z510) for dual boot Ubuntu 12.04 and Windows 7 64 bit. After several trials it now works, but I have a strange effect. I always enter the Grub purple screen ...
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34 views

No boot loader is installed in the MBR of /dev/sda

I just did a boot-repair because I can't run windows 8.1 from the grub (I see many options but none works) and I got this result: http://paste.ubuntu.com/9558801/ My question is : Should I care about ...
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27 views

How to add Windows 7 to grub menu

I have netbook with Windows 7 on the first partition (no 100 mb partition) and a second partition with Ubuntu 14.04 installed from pen drive. The boot manager grub I installed selecting the whole ...
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0answers
8 views

How do I set up necessary partitions when booting from hardrive? [on hold]

Here's my issue. The laptop I just bought comes pre-loaded with Zorin OS while im looking to install Elementary os.I need to repartition harddrive I have iso installed on Here are the steps I took. ...
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11answers
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How do I hide the GRUB menu showing up in the beginning of boot?

I stopped Dualbooting and I dont want to have to choose the OS anymore and just have it load Ubuntu like normal like before? Any help is appreciated.
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1answer
66 views

GRUB see LVM disk with Kubuntu only after enter to BIOS

I have a boot problem. I've installed Kubuntu 13.10 from a standard image file (using the standard installer) without manual partitioning. During the set-up process I chose the option "Setup on ...
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1answer
34 views

Adding Win7 to Ubuntu through Ubuntu dual booting

I really need some step by step help here. I know I need to change the partitions of ubuntu to add my win7 boot up here. However, I have not been able to get this to work right. Problematic in that ...
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23 views

Ubuntu not booting (Busybox) **DATA RECOVERY**

I have been using ubuntu for a while now. On one of my laptops (which has a broken battery and needs to be plugged in to work). I had overloaded it, therefore I took the charger out (stupid me) and ...
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0answers
5 views

GNU GRUB version 1.99-12ubuntu5 won't stop coming up

Okay, I'm kind of new to using a Ubuntu so I'm not exactly sure what all the controls and commands are but one day I was getting on the Ubuntu and all it displayed was GNU GRUB version ...
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19 views

Fresh install of 14.04 - Gave up waiting for root device

I hope you can help me. I've read many, many questions and solutions to my problem on here, however so far I have been unsuccessful in resolving the issue. The system is a Asrock e350m1, 4GB RAM, ...
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0answers
21 views

Grub does not start anymore after removing a btrfs partition

I'm using Ubuntu 14.10. Consider the following setup: ubuntu@ubuntu:~$ sudo blkid /dev/sdb1: UUID="0dde146f-ebdc-472d-83a2-48104e23cb8f" TYPE="swap" PARTUUID="00061e41-01" /dev/sdb5: ...
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2answers
4k views

No GRUB Screen or recovery mode on Boot after 12.04 Upgrade

I tried the live boot CD and boot-repair, also loaded the Desktop install CD, and it looks like all partitions check out OK. However, when I try to boot Linux (the only bootable partition on the ...
0
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1answer
3k views

Recovering GRUB after installing Windows 7 with boot repair

Recently I've reinstalled the Windows copy I had alongside Ubuntu, and after that the GRUB menu disappeared and the computer starts off on Windows automatically. The solution I found was to run boot ...
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1answer
13 views

Getting error after ubuntu 12.04 update

I was using 'ubuntu 12.04'. Windows7 is already installed in the system. I am getting the following error when I try to update Ubuntu (sudo get-apt update) GNU GRUB version ...
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iseWhy won't Grub2 recognize Ubuntu 14.04 installs on sda5 and sda6 partitions?

I wonder is there is a problem getting Grub2 to recognize installs on partitions in the logical partition? Would explain why the installs in sda5 and sda6 of Ubuntu 14.04 are not getting picked up.
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1answer
41 views

No such device grub rescue, tried many solution

I have tried to bootrepair, which gave me error this: sudo grub-install --root-directory=/mnt /dev/sda1 grub-probe: error: failed to get canonical path of `/cow'. Installing for i386-pc platform. ...
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0answers
19 views

Grub2 does not recognize multiple boot partitions with Ubuntu 14.04 installed on each

I had Ubuntu 10.04 or 12.04 installed on three partitions of my 1T byte hard drive. I decided to upgrade all three and downloaded and burned 14.04.1 to a DVD disk using Brasero for the burn process. ...
0
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1answer
25 views

how to encrypt a dual booted Ubuntu and win7 system

I am very new to Linux and I wanted to encrypt my newly installed Ubuntu system. Only issue is that I have a dual booted system with Win7, and when I tried to install the Ubuntu alongside with win7 it ...
0
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1answer
24 views

while upgrade and installing any software got error E: Sub-process /usr/bin/dpkg returned an error code (2)

sudo apt-get upgrade Reading package lists... Done Building dependency tree Reading state information... Done Calculating upgrade... Done The following packages will be REMOVED: ...
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1answer
4k views

file error /boot/grub/i386-pc/normal.mod trying to repair boot, live dvd install probleml

I have seen that there are a lot of threads about this problem. I had Windows 8 installed on my series 3 samsung i5 computer and I tried to install ubuntu 13.04. This is what I did: Because of the ...