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".

learn more… | top users | synonyms (2)

1
vote
0answers
20 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
votes
0answers
14 views

Is there anything special I would need to do to install 12.04 alongside 14.10?

I have 14.10 installed on my laptop. I want to install 12.04 as well on a small partition just in case something happens to the 14.10 I'll still have a working computer. Is there anything special I ...
3
votes
0answers
32 views

iMac will not boot OS X after installing Ubuntu

I installed Ubuntu alongside Mac OS X on my iMac, following HowToGeek's tutorial. Whenever I boot, I get GRUB with the following options: Ubuntu Advanced Options for Ubuntu Mac OS X 32-bit Mac OS ...
2
votes
1answer
69 views

Cannot boot, laptop screen doesn't work, may have broken grub

My laptop's built in screen has been out of commission for awhile, which usually isn't a problem since I use an external monitor, but the GRUB/BIOS menus don't appear on the external monitor. I was ...
0
votes
1answer
55 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. ...
1
vote
1answer
73 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 ...
0
votes
0answers
24 views

grub2 not showing in full screen

I changed my grub2 settings to 1920x1080, but when the menu option shows during bootup, it's not in full screen (it has black bars at the top, bottom, & sides. I have a 27" monitor, and was ...
0
votes
1answer
31 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: ...
-2
votes
0answers
42 views

Dual Boot WIn8.1 and Ubuntu 14.04 messed up with easyBCD [duplicate]

So i successfully installed Ubuntu 14.04 LTS alongside my preinstalled win 8.1. But then i tried messing with easyBCD 2.2. So after choosing easyBCD option to restore everything to default settings i ...
0
votes
2answers
66 views

Windows 8 dual-boot: bootloader problem (grub)

I currently have a dual-boot system with Windows 8 and Ubuntu 14.04, on separate hard disks. I have installed the Grub bootloader using the Boot-Repair tool; however, it seems that whenever I boot ...
0
votes
2answers
29 views

LUbuntu OS and the drive on which it was installed both MISSING!

I have 2 hard drives on my machine. One 500GB(master drive) and one 40GB(slave drive). I originally had Windows 7 installed on my first drive(i.e. 500GB drive). I am planning to install LUbuntu ...
0
votes
1answer
210 views

How to use NVIDIA GTX 970 GPU?

I have NVIDIA GTX 970 GPU, which is pretty new chip and it is not recognized by nouveau driver shipped with Ubuntu 14.10, hence I am stuck on 1024x768 resolution on Full HD monitor - not so good. ...
0
votes
2answers
79 views

Install Ubuntu 14.04.1 LTS without losing Windows 7 bootloader

I want to install Ubuntu 14.04.1 LTS alongside with Windows 7. But there is one issue that if I install Ubuntu, I will lose Windows 7 bootloader and it will replace GRUB bootloader instead of ...
1
vote
0answers
188 views

After Dual-Boot, Starting Ubuntu Ends At Purple Screen

I recently dual-booted my laptop with Ubuntu 14.04 and Windows 7. However, every time I try to start Ubuntu from Grub, it ends at a purple screen and the fan kicks on high. This is also the case when ...
0
votes
0answers
19 views

How to prevent Ubuntu from installing a bootloader? [duplicate]

I want to know if it is possible to prevent ubuntu from installing a bootloader in UEFI install mode as to use gummiboot, my current boot manager which works just great for Arch. My objective would ...
0
votes
1answer
25 views

Already dual booting windows and ubuntu but want to install latest ubuntu on another hard drive

so currently I'm already dual booting windows and ubuntu. I've bought a new hard drive where I want to install the latest ubuntu but I want to keep my current setup whilst I make the transition to my ...
-1
votes
0answers
30 views

Problems with installing 'along side' or 'something else' [closed]

I have been having problems installing Ubuntu. I have a PC with an SSD 60GB for Ubuntu and a 500GB HD split into 3 partitions for (i) WIndows 120GB (ii) /home and (iii) 8GB for /swap. When I ...
0
votes
0answers
14 views

Ubuntu GNOME on a USB 3.0 thumb drive: GRUB cannot be installed

I previously installed Ubuntu GNOME just fine on a USB 2.0 drive with the installation wizard, just like you would on a hard drive. I just bought a USB 3.0 16GB drive so that I could run it at a ...
2
votes
0answers
39 views

Can this error cause computer to reboot

There are 11 computers in my classroom. Yesterday they began to reboot randomly, all of them. I reinstalled Ubuntu and got this error everytime. Also, after reinstalling the rebooting continued. Can ...
1
vote
1answer
25 views

Triple-boot replace Grub

I'm triple booting Ubuntu, Win 7 and Arch. At present I'm using grub installed by Ubuntu. I would like to replace it by installing Arch's grub. My question is: Will Ubuntu updates break or replace ...
1
vote
0answers
36 views

grub doesn't work after dual booting win 8.1 and ubuntu 14.04 lts

Just installed win8.1 and Ubuntu 14.04 lts But the grub doesn't show at all When booting.... Also Nothing happens When I press during the booting process. It just loads the Ubuntu as default
0
votes
0answers
42 views

(Boot Problem) Error: attempt to read or write outside of disk hd0. grub rescue>

So I normally auto-boot to windows through grub because of music software incompatibilities with Ubuntu. This message (in the title) came up one day and I could never figure out what happened, but It ...
1
vote
0answers
8 views

Installing Ubuntu and get the error cp: write error: No space left on device

I downloaded Ubuntu 14.04 x64 Desktop burned it to my 16gb Sand disk USB drive. I rebooted my PC with this in and it came up with the grub 2 loader. I tried running install Ubuntu as well as try ...
0
votes
1answer
22 views

What do I select for “GRUB install devices” after an update on a VM?

This is almost exactly the same as What do I select for “GRUB install devices” after an update? - or perhaps it isn't, hence asking, as I'm running Ubuntu on a Virtualbox machine via Vagrant. I was ...
0
votes
0answers
27 views

Unable to boot into anything

I ran into the problem described here and applies the solution suggested there. Now when I start this device, I just get the GRUB 2 CLI. I'm no longer able to get onto the live CD to reinstall (even ...
1
vote
0answers
56 views

Default Grub2 entry doesn't point lastest kernel version + “selinuxfs mount failed” boot error: how to repair?

I installed Ubuntu 14.04 in multi-boot with linux (Mandriva 2011/Grub Legacy). First it seemed to work. But on my first update in Ubuntu, I was "strongly adviced" by the system to update grub and got ...
0
votes
0answers
33 views

unable to boot ubuntu after upgrade,even after changing ro to rw in grub

My os was already 14.04 but my friend did some upgrade, after which it is not booting,showing serious errors were found while checking the disk for /. I searched on internet, and tried changing ro to ...
0
votes
2answers
48 views

ubuntu bootloader doesn't detect window 8

After installing ubuntu, using something else option and installing it on a different disk than windows 8 , I starting my computer and ubuntu loaded without any boot loader. So I searched in internet ...
0
votes
0answers
25 views

Cannot mount 2 windows merged ntfs volumes in ubuntu 14.04

when my brand new Ubuntu is trying to mount my two hard drives that was merged in windows 7 I get this message: Error mounting /dev/sdc1 at /media/luttikon/Media 1: Command-line `mount -t "ntfs" -o ...
1
vote
1answer
51 views

Is it still possible to install Ubuntu to an external harddrive with UEFI?

It looks like installing Ubuntu to an external harddrive isn't possible with UEFI, where as with MBR there wasn't a big difference between external and internal. Is that true or is it still possible? ...
0
votes
1answer
34 views

How can I correct logical bad sectors in HDD in Ubuntu?

During boot time I found that my hard disk had logical errors in different sectors. I did my research and ran this command: sudo badblocks -sv /dev/sda1 > bad-blocks-result This command created ...
0
votes
0answers
61 views

apache2 doesn't start at bootup

first a short description of our environment: 1x Ubuntu 14.04 Serveredition 1x USB-Dongle for our barcode scangun 1x USB-Keyboard 1x VGA-Monitor Apache2, mysql, php5.x installed and configured ...
0
votes
1answer
45 views

I messed up university computer

I'm using university PC which is Lenovo that came with Windows 8. I want to install Ubuntu to it. I've backed the data up, made extended partition, and installed Ubuntu. I have done this before to ...
0
votes
1answer
25 views

after expanding 'Ubuntu installed' partition, I got error

I expanded the partition on which I have installed Ubuntu and then tried to reinstall grub using BootRepair and got following error: The boot files of [The OS now in use - Ubuntu 14.04.1 LTS] are far ...
0
votes
0answers
33 views

Bootable pendrive with windows 8

After formatting pendrive on ntfs setting bootable flag, installing grub and coping windows installation files to pendrive eg. win fodler how to set grub.cfg to boot windows from pendrive win folder ? ...
0
votes
0answers
59 views

Ubuntu 14.10 grub error [closed]

I have fresh installed Ubuntu 14.10. Recently it doesn't boot correctly. I have to boot from live USB and install grub everyday. Any solution for the problem?
0
votes
1answer
52 views

Dual Boot EFI Windows 8.1 / Ubuntu

Grub 2 works fine with the Ubuntu entry, but I'm missing the Windows 8 entry. Windows 8 is on /dev/sdb with 2 partitions (sdb1, sdb2), Ubuntu is on /dev/sda. http://paste.ubuntu.com/9442112/ Any ...
1
vote
1answer
68 views

How to show boot messages in 14.10?

I am trying to show the boot messages but all I get is an almost black screen until I see the login manager. I removed quiet and splash I removed quiet and splash and added noplymouth I removed ...
0
votes
2answers
54 views

Why can't I boot from my SSD?

Recently, I bought a 250GB Samsung 840 EVO SSD. I wanted to migrate my system to it, so I copied my / and swap partition to it and ran boot-repair. The program told me I was in EFI mode so I made an ...
0
votes
0answers
38 views

using framebuffer in Ubuntu 14.04 textmode - segmentation fault

I am using Ubuntu 14.04 booting into textmode. GRUB-file: GRUB_CMDLINE_LINUX_DEFAULT="quiet text" and the following gfx setup in GRUB: GRUB_GFXMODE=0x115 GRUB_GFXPAYLOAD_LINUX=keep That means I ...
0
votes
0answers
199 views

nVidia driver update causes problem, even when reverting back

The story: A few months ago, I was able to play Civ V on my HP Elitebook 8540w without any problems. Then about a month ago, for some reason, my video driver started to have some issues. It had ...
0
votes
1answer
62 views

Win7 won't resume from sleep/hibernation

I read many posts about this problem, but most of them consider the user a linux expert who knows what he's talking about :/ I would really appreciate it if someone can solve this problem for a ...
0
votes
1answer
31 views

How to install windows 8.1 , when I have a windows 7 and ubuntu 14.04 running side by side?

Here is this , I use ubuntu and love ubuntu. So when I bought a DELL PC with pre-installed windows 8, in which I couldn't install ubuntu in every possible way I tried, I deleted the genuine windows ...
0
votes
1answer
34 views

How to fix Missing operating system after ms-sys

I need your help. I've uninstalled ubuntu and removed his partition from Windows 7. After I restarted I had the "error: no such partition" so I used this guide to restore the windows bootloader... ...
0
votes
0answers
20 views

Dual boot Windows will not load after installing wireless driver

On a new machine, I partitioned the hard drive equally, and installed Windows 8.1 on one partition, and Ubuntu 14.04 on the other. Both OS's booted successfully from grub. Now, my wireless adapter is ...
0
votes
1answer
80 views

Boot-Repair doesn't fix the boot for Ubuntu 14.04.1 LTS (trusty)

I recently installed Ubuntu 14.04.1 LTS on my laptop (Samsung ATIV Book Lite 9 - NP905S3G-K08TR). After a pure installation run into boot problem and tried Boot-Repair. Actually, boot-repair seems ...
0
votes
1answer
34 views

Dual boot fails when modifying BIOS

I have a Toshiba Satellite p50 with pre-installed Windows 8.1. I installed Ubuntu 14.04 and the UEFI dual-boot worked fine for some time. However, I realized that every time I make any change in the ...
0
votes
1answer
79 views

error: no such partition Entering rescue mode… grub rescue> ubuntu partition accidentally deleted [duplicate]

I am using Windows 8.1 and Ubuntu 13.10 as in dual boot. I have changed my disk size using disk management. accidentally I delete Ubuntu partition at all. Once I restarted the system, I am getting ...
0
votes
0answers
32 views

Dual boot MS Surface PRO issues

I'm trying to successfully get my Surface Pro to dual boot Ubuntu, alongside windows 8.1, using a 128gb SD card I came across a guide (Dual boot Surface Pro with Ubuntu?) and followed it, but there ...
0
votes
2answers
69 views

grub fails to install to MBR (RAID+LVM+LUKS)

Please note the edit at the end I'm building a home server (my first attempt at it) using Ubuntu Server 14.04.1 on an old machine (BIOS doesn't support UEFI), and I want to set up the whole system on ...