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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Ubunu 14.04 weird hd out of disk eroor

I was migrated from Ubuntu 12.04 LTS to ubuntu 14.04LTS. And it was working fine first :) Then couple of restarts later , I go this same old hd0 out of disk grub rescue thing. Then I booted OS with a ...
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1answer
9 views

Is it possible to install the same version of ubuntu on the same hdd?

I would like to have ubuntu 14.04 installed two times on my laptop. One is for actual day to day use, the other for testing how ubuntu copes with my hardware under different circumstances, without ...
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2answers
21 views

Question about manual partitioning for Dual boot system

I recently bought a new laptop, and I am trying to dual boot my system with windows 8.1 and ubuntu. My installer doesn't recognize the windows 8 partition on my hard drive, so it doesn't give me the ...
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1answer
21 views

Grub/Boot Issue

I have installed Trusty Tahr now and is pretty happy with it. However, while booting my pc after the installation, I was getting error: "error: file not found grub rescue" I searched for the issue ...
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14 views

Double grub. After reinstallation of grub

I updated my Ubuntu 13.10 to 14.04. grub crashed with error / Reinstalled grub from usb. Now grub shows his menu + menu of previous grub. (may be was installed on a different partition or something ...
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0answers
47 views

Not booting on PC alongside Windows 8

I've installed Ubuntu 14.04 (32bit) alongside my Windows 8. After installing, when the system has been rebooted, grub didn't show and Windows began starting. I installed it several times, but nothing ...
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12 views

Move Grub from Windows drive to Ubuntu drive

I have previously installed Grub to my windows drive instead of my Ubuntu drive. I have two physical drives sda & sdb. This has gone un-noticed for a long time because BIOS has automatically ...
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0answers
27 views

Ubuntu 14.04, grub doesn't recognize any key [on hold]

with Ubuntu 14.04, grub doesn't recognize any key. $ lsusb Bus 001 Device 002: ID 0b05:1723 ASUSTek Computer, Inc. WL-167G v2 802.11g Adapter [Ralink RT2571W] Bus 001 Device 001: ID 1d6b:0002 Linux ...
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0answers
16 views

Installing grub2 in efi-mode in usb flash drive

I've two different OS, which one is ubuntu. I'm using a PC, NOT a Mac. I use Chimera bootloader that don't find Ubuntu. So, i'd like to install grub 2 in EFI-mode on flash-drive USB. In this way, i ...
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0answers
29 views

recent upgrade puts grub to rescue prompt

I woke up this morning to see the grub rescue prompt complaining about some highlight color being invalid. Apparently the upgrade to 14.04 was installed last night after I went to sleep. So I am ...
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5 views

Grub boot problems [duplicate]

So basically I downloaded Linux ubuntu 12.04 (on my windows 8 PC - dual boot intended) and updated it to 13.10 and then it started having some problems with missing files so I just wanted to ...
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1answer
29 views

The --disk-module=MODULE option of grub-install don't work in Ubuntu 14.04

My OS is ubuntu14.04. And the command grub-install -V shows that the grub version is Grub 2.02~beta2-9. Since I have two disk on my laptop, and one of them is not bootable, I have to use nativedisk ...
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7 views

13.10 can't update grub because of 'syntax errors' and 'incorrect command' inside default file

I wanted to skip the grub menu on startup, so I edited the file to remove it, and when I tried to update it I got an error message. So I put it back to the way it was, and update that, and that also ...
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0answers
26 views

Elementary OS will only boot into demo version from USB, won't install the full version [on hold]

I previously had Linux Mint Petra and Windows 7 installed on my Asus UX31a. This worked fine until I ran into some Wi-fi issues after messing around with NetworkManager. I decided since I didn't have ...
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1answer
13 views

Grub2: Disk not found trying to boot LVM partition on raid1 set

I'm having difficulty booting from an LVM logical volume which is stored on a raid-1 physical volume. Using Ubuntu 13.10 and Grub2 2.00. The setup is that /boot/grub is on a physical raid-1 set. ...
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2answers
197 views

Lost Windows 7 in GRUB after installing Ubuntu 14.04

So today I've decided install the new 14.04 (64bit) on top of the 13.10 (32bit) Ubuntu that I used to have dual boot with Win 7. So it gave me number of options to install the 14.04, one of them was ...
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1answer
22 views

Ubuntu stuck in unusable console on boot

I ran some updates on my old pc on ubuntu but it hanged and I had to restart it. The mouse no longer worked and the screen resolution seemed to be incorrect. So i restarted again and now after the ...
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1answer
149 views

Laptop wont' boot up after upgrade to Ubuntu 14.04

My laptop runs Windows 7 and I install Ubuntu 13.10 on my usb drive. And my boot loader is on usb drive. But after I update to Ubuntu 14.04, I can't boot to Windows, it said 'error : no such device ...
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0answers
12 views

If I install Ubuntu from CD/USB am I able to return default windows bootscreen if for some reason I want to unistall ubuntu?

As title says. Am I able to go back to default windows 8 boot screen? Do I need Windows 8 DVD for it?
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1answer
100 views

How do I install super boot manager?

I have recently installed ubuntu 14.04 and I am unable to install super boot manager? Is there a solution to this issue?
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0answers
128 views

Dual-boot Windows 7 and 14.04 but windows not booting

Using a MACBOOKPRO. MAC OS HFS partition was corrupted so formatted the partition and installed Ubuntu on top of that. I've been using Boot Repair to get this thing working. I can not load GRUB; ...
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1answer
15 views

Ubuntu 13.10 and 12.04.4 installer not seeing partitions

I am trying to install Ubuntu 64 bit on a Lenovo G500s machine. I have tried installing both 13.10 and 12.04.4 and I am having the same problem with both versions. When I get to the installation ...
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0answers
109 views

Ubuntu 14.04 stuck on either call trace or splash screen after grub

I am starting to hate my computer and myself for having a boot error for the third time in 2 months, but this one is just after installing 14.04 through terminal. After the install I rebooted and it ...
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2answers
195 views

Windows removed from grub after installation of Ubuntu 14.04

I just installed Ubuntu 14.04 flawlessly -- I'm happy with that. But when after several restart, I realized something was missing from my grub: It was my windows boot option How to make it appear ...
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4answers
871 views

Upgrading from 13.10 to 14.04 broke Grub

I have a dual boot Ubuntu + Windows 8 on an UEFI system. Everything was ok until I upgraded to Ubuntu 14.04 from 13.10. Now what I get when I boot the pc is a grub rescue screen like this with the ...
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1answer
153 views

Windows Boot Loader doesn't work after upgrading to 14.04 from 13.10 (Windows 8.1 Dual Boot)

I was already running 13.10 alongside Windows 8.1 with no problems at all. I upgraded to 14.04 LTS yesterday through software updater yesterday and now the Windows boot loader on the Grub menu ...
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1answer
6 views

GRUB and Kernel

I have a simple but important question for my case: Does upgrading the Grub mean upgrading the kernel ?
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2answers
126 views

Installing BURG: ppa not working

I'm trying to install BURG to substiture Grub, on Ubuntu 14.04 (I need dual boot with Windows 7) I've tried to install burg-manager, to install burg from there. It seems all ok, it doesn't give ...
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0answers
38 views

GRUB menu not showing for Ubuntu 12.04

This is the first time I installed Ubuntu(v12.04). I have a HP laptop pre installed with Windows 8. I installed it alongside Windows and the installation was successful. But after the customary ...
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0answers
49 views

Ubutnu 14.04 grub-install can not recognize “--disk-module=模块” OPTION

My OS is ubuntu 14.04 grub-install -V shows the grub version is 2.02~beta2-9 The cmd: grub-install --help actually shows the --disk-module=模块 OPTION but when I use the cmd: grub-install ...
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1answer
26 views

Correct steps to mount an internal backup harddrive

Sorry if this is covered elsewhere, I'm really hoping to get this right first time rather than lose backup information. I installed Ubuntu 14.04 Final Beta a few days back - during the install, there ...
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1answer
237 views

14.04 - grub rescue: no such device

I have decided to retry installing Ubuntu when 14.04 came out... and I doomed my computer again. I have Windows 7 installed, and I followed this guide to dual boot. After installation, I see the GRUB ...
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31 views

Went from blinking cursor boot to grub command line, first time 14.04 fresh install, can you help? [duplicate]

Just trying to install 14.04 LTS on my core i5 pc on SDB corsair force SSD. Fresh blank install booted into blinking cursor. Then ran terminal command in livecd to install grub on SDB. Here is my ...
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0answers
23 views

Read Error and grub rescue

My Dell inspiron 7420 laptop had windows7(home preimium) and ubuntu 13.04 gnome i386 dual boot, and since 4 months i started getting this Read error on boot up or sometimes even error no such ...
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1answer
166 views

Ubuntu 14.04 LTS broke my grub - can't load windows! [on hold]

I saw today that the new version of Ubuntu LTS was released and so I thought I'd give it a try. I freed space on my hard drive by deleting my Linux Mint partition, which I had been dual-booting ...
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0answers
12 views

another grub rescue problem [duplicate]

I want to update my system from 13.04 to 13.10 but when tried to boot from the iso cd it wouldn't work. So I reformatted with cfdisk and then when I tried to reboot from the iso disk I got the grub ...
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1answer
12 views

Dual boot with mouse support on OS selection

I have dual booted in the past, so I am quite clued up with installation and using Grub2. I have an issue with my keyboard not registering on anything before the operating system, that is, it will not ...
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0answers
30 views

ubuntu don't show my total hard disk partitions [duplicate]

after installing Ubuntu several time, last time i installed Ubuntu during installation using something else option , i didn't see the windows partition nor other private partitions it only show the ...
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0answers
16 views

MacBook will not boot after Ubuntu Install

I have an old MacBook laying around not doing much, so I decided to install Ubuntu 13.04 on it, and dual boot with OSX. From within OSX, I repartitioned the drive, reserving half of the 250gb HDD for ...
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0answers
20 views

How to Start the computer without the USB [duplicate]

I have installed ubuntu in my computer alone side with Windows 7. Ubuntu is installed in the USB; therefore, each time when I restart the computer, it require me to have the USB plugged in. It will ...
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0answers
30 views

Ubuntu and Windows 8.1 simulateous monitor problems

I got my Asus X502 laptop dual booting Ubuntu 13.10 and Windows 8.1 and everything is working smoothly. Suddenly after I hibernated Windows and started up the system the Windows side boots fine, but ...
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0answers
38 views

Windows 8 w/ Ubuntu 12.04 LTS [on hold]

Hello I've been having a GRUB Problem with Windows and Ubuntu. The problem is that GRUB Isn't booting up Windows 8 (Not 8.1). Since when installed Ubuntu on here I'm not able to boot up to Windows 8 ...
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1answer
64 views

dual booting UEFI laptop with pre-installed windows 8 through GRUB 2 [on hold]

I am getting frustrating trying to figure out how to create a windows 7 USB UEFI boot stick on a dell inspirion laptop , so I can install windows 7 alongside windows 8. So I thought why windows ...
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0answers
28 views

Ubuntu 13.10 no longer boots, stuck at grub boot prompt (sdb hdd that ubuntu's installed on is no longer detected)

Ubuntu 13.10 has been running fine since I installed it on my external harddrive a few weeks ago. However, yesterday while Ubuntu was running, I accidentally knocked the external harddrive off the ...
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1answer
23 views

Ubuntu 13.10 reboot issue

Have some problem with restart server supermicro on Ubuntu server 13.10. Command: reboot shutdown -r now init 6 dont restart my server, but after it shutdown. I need to push power button every ...
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1answer
47 views

How do I install a new version on top of an old version?

I have an ASUS EeePC 1000h with four OS installed. What I want to do is replace Lubuntu 12.04 on sda1 which has reached its EOL with Lubuntu 14.04, when it is released in a few days. I want to do a ...
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0answers
30 views

How do I get GRUB to install on a RAID array?

I am trying to build an Ubuntu desktop machine with RAID array, and am having trouble with the installation of GRUB. The 2 10GB HDDs are partitioned using sgdisk (invoked by a script to ensure ...
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0answers
35 views

Choosing which hard drive to boot from [on hold]

I intend for this to be informative and ask for other insight because I wish I had this available to me when I was struggling through this. I want to share what I did and hope to find a better ...
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0answers
33 views

os-prober and update-grub can't see/find working Windows install

I have installed 12.04 next to a Windows 7 install, on a partitioned 3 TB hard disk. If I use F12 during boot to review boot options from the BIOS, Windows 7 and Ubuntu boot normally, but the Ubuntu ...
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0answers
19 views

Legacy GRUB on Ubuntu 12.04

Can I install / downgrade to legacy GRUB on Ubuntu 12.04? I need it for a Rackspace server.