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)

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
23 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
31 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
29 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
21 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
26 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
50 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
44 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
23 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
40 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
33 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
54 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
23 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
31 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
51 views

Ubuntu 14.10 grub error [on hold]

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
43 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
58 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
50 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
34 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
196 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
57 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
30 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
33 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
18 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
75 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
32 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
71 views

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

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
30 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
61 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 ...
1
vote
1answer
18 views

Guidance on moving a raided / to a new set of disks

Running Ubuntu 14.04.1 up to date. Besides a ZFS pool I'm using for my data, I have my root partition on a mirrored software raid, and would like to move to two larger disks. Here is my parted ...
0
votes
0answers
25 views

After installing Ubuntu 14.04 Over windows 8.1 i'm unable to boot from my DVD Drive

Fun story, i had Ubuntu and Windows 8.1 both installed on my pc. When attempting to re install it detected Ubuntu and said if i wanted to replace that i was like ooh nice, now i don't have to change ...
1
vote
0answers
24 views

Boot issues on Inspiron M5010 when installing 64 bit Ububtu 14.04. Help!

This is my first time using Ubuntu. I bought a wiped computer from ebay and I'm just trying to install Ubuntu OS. I downloaded the software, formatted my USB to Fat 32. I used UUI and Yumi both to ...
0
votes
1answer
39 views

unable to boot win7 after installing ubuntu

hello i am new to Ubuntu and Linux too, Recently i replaced Ubuntu with win7 after that when i tried to install win back for using both OS i got a problem. its not installing win7 or other versions of ...
0
votes
0answers
16 views

Dual boot windows 8.1 and ubuntu 14.0 problem

I have windows 8.1 pre-installed.Then I have installed Ubuntu 14.0 Firstly in grub,windows 8 was not shown.Then I have updated GRUB and it shows the windows 8 but whenever I try to launch it.It gives ...
0
votes
0answers
5 views

Grub takes a long time to paint the screen

When I boot up my computer, GRUB is remarkably slow painting the screen. You can actually see the screen paint in real time. Why is this? I have added a GIF showing the process. The GIF actually is ...
1
vote
0answers
45 views

unable to boot ubuntu grub menu appears [duplicate]

12.04 LTS with Windows 7 dual booted. I installed Ubuntu from windows 7 via WUBI so that I can dual boot both. When I try to boot Ubuntu the grub menu appears and I am not able to boot Ubuntu I ...
-1
votes
0answers
28 views

im guessing Grub is not food here? [closed]

When I log into my HP Chromebook 14 I use Ctrl+D, enter my Google Chrome and then use the Ctrl + Alt + T to enter Shell at the command prompt. Is that command prompt Grub because I do not have any ...
0
votes
1answer
32 views

Grub starts on bootup on USB Flash Drive

I installed Ubuntu 14.04 to a 64gb USB Flash drive so I have my desktop and apps wherever I go. (3 partitions, swap, boot and home) I've set up a netbook to boot to USB drive but instead of booting ...
1
vote
1answer
40 views

Unable to boot Windows without flash drive in computer

I recently attempted to install ubuntu 14.04 on a usb flash drive so I can use it on the go. I burned the iso to a cd and booted it by doing try ubuntu without installing and then I clicked install ...
0
votes
0answers
41 views

GRUB loader malfunctioning

I have upgraded Windows 8 to 8.1 after having installed Ubuntu 14.04. As usual this led to a problem with Ubuntu GRUB loader. My main problem is that none of the solutions I've found so far work for ...
-1
votes
1answer
54 views

Bootable Windows 7 USB? Please Help!

I have a Asus NoteBook (Refurbished no DvD Drive) and I recently installed Windows Technical Preview (Windows 10) to test it out. After 3 weeks of having it installed I wanted Windows 7 on my laptop ...
1
vote
2answers
70 views

Upgrading Linux Kernel 3.11 to 3.13 for Ubuntu 14.04 [duplicate]

When I upgraded to Ubuntu 14.04, apparently my kernel was supposed to upgrade from 3.11 to 3.13. Unfortunately, the kernel upgrade did not complete. As a result, I have several files for 3.13, but am ...
0
votes
3answers
27 views

How do I update Ubuntu in a UEFI-based Windows 8 dual boot

I got Windows 8 and Ubuntu 14.04 dual booted on my system, and I want to update Ubuntu in the future (not now). How do I do it on UEFI hardware? I got a Gateway SX2110G-UW318 PC. Help? :\
2
votes
1answer
84 views

Black Screen with cursor - Booting from HardDisk & LiveCD

I've formatted my PC and installed Windows 8 & Ubuntu 14.04. I've been working like 1 week with the computer with both OS without any problem My motherboard is Asus M2N32 Suddenly, one day the ...
0
votes
0answers
23 views

No grub after switching to “boot in secure mode” (Windows8) after Ubuntu being installed

I installed successfully Lubuntu 14.10 alongside Windows8. Being tired of seeing "Booting in insecure mode..." as the PC turned on, I enabled again "boot in secure mode" from Win. As a result the Grub ...
0
votes
0answers
21 views

Lost password for Ubuntu and grub won't boot? [duplicate]

I cant get into Ubuntu because i forgot my password and Grub won't boot after I press the SHIFT key? How do I get in to my profile?
0
votes
0answers
17 views

GRUB slow respond to key press

So, I new into Linux, Ubuntu and that stuff, but I think I like it. My problem is, the first key pressed after GRUB shows up, GRUB needs really long (about 2-5 seconds) to show any respons, after ...