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 to move GRUB installation to a different partition?

I have a laptop for work. I originally had Windows 7 on it then I installed Linux Mint 17 to dual boot. During my installation of Mint 17 I accidentally installed GRUB on the wrong partition (sda2). ...
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8 views

How to repair grub menu?

first I install Ubuntu 14.04.then I install windows 8.1.now only boot windows.How can I repair my grub menu to choose Ubuntu to boot?
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1answer
18 views

How to retrive root password, when someone has changed it? [on hold]

The fact that, In my Lab, one of the user who is in sodoers list has changed the root password, is there any way to reveal the password he has set? I know how to change it by editing from GRUB but ...
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1answer
32 views

Can't install Windows as dual boot after Ubuntu

I've a quite complicated problem related to dual boot of Ubuntu and Windows 7. At first I had Windows 7 installed in my laptop but then when I tried to dual boot with Ubuntu 14.04, I somehow ...
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2answers
19 views

How Can I Get GRUB to Work After Restoring Deleted EFI Partition?

First time posting here for help. So Friday night I was playing around with GParted and accidentally deleted several partitions. One of the was an unnamed. After doing this, I restarted and I was ...
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9 views

invalid environment block

ok so I deleted the line "recordfail" in the grub menu ten pressed ctrl + x but it just kept freezing with a blank screen. Next I used a usb boot version of ubuntu and got to the terminal I entered ...
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0answers
10 views

grub rescue- how to start cd or run boot modus?

error: unknown filesystem entering rescue mode.. grub rescue> boot menue doesn´t appear, i pressed F10 but nothing happend. inserted all kind of cds like windows 7, rescue emergeny cd- but nothing ...
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2answers
48 views

Is it possible to install windows7 on Ubuntu14.04?

PLEASE NOTE THAT THIS IS NOT A REPEATED QUESTION AS THE QUESTION SIMILAR TO THIS HAVE ALL FAILED TO SOLVE MY PROBLEM. I have tried to install windows 7 on ubuntu-14.04 with a live USB stick, but I ...
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22 views

Update from 12.04 to 14.04 broke my grub and I couldn't recover it

I am new Ubuntu user. I had to reinstall one older computer so I decided to put Ubuntu 12.04 on it. After installation I've tried to upgrade it to 14.04 and upgrade failed. I've even tried with DVD ...
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1answer
33 views

Dual Boot System Operating System not Found (Win7/Ubunty 14.04)

I read through similar problems, but nothing I found solved my particular problem. I used to run a dual boot WIn7/Ubuntu 14.04. I was in Windows when suddenly the screen froze. Cursor was still ...
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22 views

Grub dont work with dualboot windows 8

I have window 8 installed, and installed in a second partition Ubuntu 14.04. The installation went ok, but on startup Grub don`t work. Window start just like before the installation. Other place ...
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9 views

Grub dual boot, multiple drives, booting into windows encounter VSS SPP backup errors

I have a new multi-disc drive computer. Windows 7 OS is installed on a SATA drive with NTFS file sytem. Ubuntu Trusty Tahr 14.04 is installed on a solid state drive using ext4. I hava a third drive ...
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2answers
41 views

How to completely delete/uninstall (K)Ubuntu 14.04

I am pretty new to ubuntu/linux. I love the linux idea and i was looking for distribution i would choose. I chose Kubuntu 14.04, burned .iso on dvd and installed Kubuntu without problems. Then i was ...
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0answers
18 views

“error: unknown filesystem” after install

Originally, I tried to install Ubuntu 14.04 LTS alongside windows, but I came across a problem when rebooting (unknown file system). I tried to simplify problem and installed only ubuntu, wiping out ...
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2answers
29 views

Ubuntu failing to install on seperate HDD, blank screen, flashing cursor

I have downloaded Ubuntu 14.04.1 desktop ISO and burned it to a bootable cd and have made a bootable usb drive using both Universal USB Installer and Unetbootin. I have tried mutliple ways to attempt ...
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1answer
9 views

ubuntu didn't restart after using testdisk

I recently switched to ubuntu 14.04 from windows 8. I mistakenly choose remove windows 8 and install ubuntu. By doing this all my windows drive was wiped out. Then I searched for data recovery and ...
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1answer
48 views

Can't Boot into either Windows or Ubuntu

History I first installed Windows 8.1 and left around 60GBs Unallocated. Then I tried installing Ubuntu with a USB, but the partition table I had made did not show up. I then tweaked some settings in ...
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31 views

Can't get GRUB menu to work after installing Ubuntu 14.04

I installed Ubuntu 14.04 on my laptop and had it set up for a dual boot between Ubuntu and Windows 8. Everything worked fine until I decided to try reinstalling it with the root partition on an SSD ...
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1answer
25 views

Windows wont boot when external HDD not connected, how can I fix this?

My current system is Windows 8.1 Pro with Media Center. I wanted to try Ubuntu 14.04, and therefore I installed Ubuntu on an External HDD. (I followed some steps that I found on the internet) After ...
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1answer
30 views

Dual Boot: Can't boot Arch Linux

my History I got a PC with Intel 64 Bit Processor. There I have installed Ubuntu 14.04 LTS at /dev/sdb1 and Arch Linux at /dev/sda1. Both swap onto /dev/sdb2. I tried (with succes) to install ...
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0answers
11 views

GPT partitioning on a bios/non-efi motherboard with a SSD

I have a 2 year old Intel DH67CL1 BIOS motherboard(non-efi). I am reading about GPT partitioning and wonder whether it is useful in my case. I have still reservations whether to use GPT and what ...
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0answers
10 views

Pruple Screen of GRUB Don't disappear

I had dual-booted my computer with Ubuntu and win8. Both were working fine till yesterday. But now when I start Ubuntu the purple screen of GRUB-2 won't disappear. What Should I do,there is no splash ...
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1answer
19 views

How do I make my grub arguments permanent?

Whenever I boot my laptop, the grub terminal comes up and I have to input the following three lines to boot into my OS: linux (hd0,msdos1)/vmlinuz root=/dev/sda1 initrd (hd0,msdos1)/initrd.img boot ...
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25 views

Ubuntu 14.04 desktop and RAID

I have 2 128GB SSDs on Asus Zenbook. I tried to boot into Ubuntu live CD (try Ubuntu) and create RAID from: Then tried to instal uUbuntu, but it fails to install grub on RAID. Another solution I ...
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13 views

Can't see Windows 8.1 boot login after boot repair Ubuntu

This is my http://paste.ubuntu.com/8320907/ I can't see my Windows 8.1 anymore. I want to dual boot Windows 8.1 and Ubuntu, but now after boot repair somehow I can't log in to my Windows 8.1.
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28 views

Problem with 14.04 : Not booting

I successfully upgraded to 14.04 and worked for few days. suddenly the computer is not booting, it is showing: reboot and select proper boot device or insert boot media in selected boot device ...
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0answers
13 views

Grub doesnt boot USB [on hold]

I had a computer with Windows 7 and Ubuntu 14.04 . I decided to remove windows 7 but I've done something wrong up and formatted the entire hard disk, and now I have no OS. I tried to boot from my USB ...
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1answer
36 views

I deleted Ubuntu partition and my laptop it was showing grub rescue screen

I deleted Ubuntu directly from drive by deleting partition option. On restarting my laptop it was showing GRUB rescue screen, which I didn't knew what to do. I went to bios and I changed some settings ...
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0answers
4 views

Eifdisk read error

Today suddenly when I returned from my trip and the device was connected to charger all that time when I woke it up it gave me this statement after toshiba logo immediately " Eifdisk read error " ...
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0answers
11 views

How to install Ubuntu server 14.04 on LVM RAID?

I want to try install ubuntu on LVM RAID logical volume, but fail on step grub installation. There are my steps as below: 1. use three HDDs called sda, sdb, and sdc to create a volume group. 2. ...
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0answers
16 views

Booting Linux from USB on a Mac

I'm only posting this question because it seems I've been trying to get this to work for the last 2 weeks and feel like im exhausting my options. I'm trying to build a persistent Linux system ...
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41 views

Why doesn't Windows 8 appear in the “BIOS” boot selection after Ubuntu is installed?

So, I've installed Ubuntu alongside Windows 8. Everything is fine except when I am in the BIOS I only see the Ubuntu partition. I see the Windows partition in Ubuntu, but just not in the BIOS. What am ...
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2answers
45 views

reinstall ubuntu or delete the root password without having it?

I have received a laptop from school but i can't download anything because there is a root password on it. I already used the GRUB screen by clicking on the shift button but the '(recovery mode)' line ...
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0answers
18 views

can not make primary patition or logical (MBR to GPT)

I wish to make dual boot windows and ubuntu on del inspion 5721 comes with ubuntu installed Hard disk consists of 3 primary and extended swap partitions In order to get new partitions from free ...
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0answers
53 views

Can't boot Linux from an external USB SSD drive

Windows 7 OS. Is there any difference between Linux Live CD and Linux installation on an external USB SSD drive in point of view of boot? I can boot Linux LiveCD without a problem when set boot order ...
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1answer
85 views

Computer boots to Grub command line

I've three hard drives with Windows 8.1.1 installed on the first SSD and then Ubuntu 14.04.1 LTS on the third HDD. In BIOS I've chosen to launch 1. ubuntu 2. ubuntu 3. Windows Boot Manager 4. Windows ...
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1answer
60 views

Grub doesn't detect my windows 7

It is my first time installing Ubuntu (14.04). I have Windows 7 installed on my first HDD, and installed ubuntu on my second one. To install I followed the instructions on this website: ...
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1answer
36 views

Uninstall ubuntu linux/ Install windows 7 [duplicate]

I want to uninstall my ubuntu linux from the computer because it's very hard to use and install windows 7. What can i do in this case?(I have an original windows 7 on CD/DVD)
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0answers
34 views

Zotac Zbox EN760 Won't Boot from USB

I wanted to install Ubuntu 14.04.1 on my Zotac Zbox EN760. It is using legacy boot, as both the "Win7 uEFI" and "Win8 uEFI" don't get past the purple screen (don't know the official name, the one with ...
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1answer
58 views

Dual Boot / Grub 2 issues (Ubuntu/Windows)

TLDR Version: Problems with Grub2. Boots straight into Grub terminal. I get some "failure reading sector errors" (details below). I've tried running boot repair several times, with a few different ...
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0answers
47 views

Error Installing Ubuntu 14.04 dual boot with Windows 7 Ultimate on Acer Aspire One Laptop

I tried installing Ubuntu via Wubi.exe on my laptop but could not boot to Ubuntu. Instead I get these errors below (see images): No Wubildr GNU GRUB What went wrong ? please see there are ...
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0answers
11 views

Grub Problem After Reinstalling , Ubuntu 14.04

Last day I was removed grub and grub-pc for fixing some boot error problem and reinstall again , but I got a error in installing grub-pc and I forced to reboot my system , after rebooting I lost my ...
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0answers
31 views

Window 7 and Ubuntu Dual Boot Failure

I've read several threads and I don't believe this is a duplicate, seems to be a unique problem. Here's what I did: Windows 7 32-bit installed (success) Unbuntu 14.04.1 64-bit installed from Live ...
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0answers
31 views

Ubuntu/Windows 7 Dual boot not working (2 HDD's)

I recently installed Ubuntu on my spare hard drive (I have two, one of which was unused) and for some reason it never dual boots properly. GNU GRUB always shows up when the computer starts up, but ...
2
votes
1answer
83 views

Ubuntu / Windows 7/8 boot issue

I installed a dual boot Windows 7/8 on my laptop and now I also added a Ubuntu 14.04.1. To install Ubuntu I did an efi partition on sda1, a swap partition (sda6) and root (sda7) After the ...
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0answers
11 views

Grub “unknown filesystem” Boot-Repair didn't find a solution

after booting my PC yesterday I encountered a Boot-Error and only the grub rescue prompt. error: unknown filesystem. After searching the Internet I booted into the Boot-Repair and tried the standard ...
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1answer
124 views

Ubuntu 14.04 LTS Install Issues

The first thing I have done (before posting this questions, was read the guide located on AskUbuntu. This was a very detailed guide, and now that I have Ubuntu 14.04, I will try this again. ...
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0answers
25 views

Windows 8.1 bootloader gone from grub. How do I get it back?

I'm a noob here. I stupidly hibernated my Ubuntu and did not realize that problems will occur if you have 2 OSs hibernating. Didn't know Windows 8 does some kind of shutdown/hibernate. Anyway I ...
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1answer
51 views

Tried to install Ubuntu. It failed. Now I'm at a GRUB screen. What is this and how do I resolve it?

I just built my computer. Brand new everything. I tried to install ubuntu. I filled out the screen that asks you to assign a name to the computer, create a password, etc. When tried to continue, the ...
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0answers
9 views

Error: you need to load the kernel first [duplicate]

Please help me. I accidentally deleted my grub partition when trying to reinstall Ubuntu 14.10. I have a bootable USB and working windows 8.1 on my computer. I'm stuck in a command line version of ...