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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Can't access keyboard in boot menu after update to Ubuntu 14.0.1, laptop keyboard, trackpad, network not working

I've just updated my system from the command line. There after the system went into black screen. I got a login screen after several reboots but am only able to use the keyboard to login after ...
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27 views

What is the best strategy to clone and dual boot an existing OS?

So my setup is looking something like this: I'm using Grub2 I have 4 logical partitions (1 of which is an extended partition) (Logical Partitions): /dev/sda1 (fat32) /dev/sda2 (fat32) /dev/sda3 ...
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1answer
19 views

GRUB showing the wrong operating system

I have a USB stick with a UNETBOOT produced Lubuntu operating system install. When I boot from the USB stick, on my computer with Linux Mint (intending to replace it) ONLY the Mint listings are in ...
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96 views

BIOS not recognizing hard drives

For starters, I have this laptop: http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3184129 "ASUS G75VW-DS71 Laptop Computer - 3rd generation Intel Core i7-3610QM 2.3GHz, ...
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36 views

Ubuntu 12.04 - backlight adjustment

I was trying to look at solutions that would enable me to adjust the backlight intensity using the function buttons. I tried editing the grub file in /etc/default/grub but that didn't help. I ...
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35 views

Can not access grub menu

I have only Ubuntu installation on my laptop. But accidently I have no access to grub-menu and recovery option. I've tried to change GRUB_HIDDEN_TIMEOUT setting to 10 (in this way: sudo gedit ...
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1answer
51 views

Damaged GRUB 2 in my laptop

I have a genuine Windows 8 pre-installed on my laptop. I installed the Ubuntu in UEFI mode, using a live CD, but now the GRUB doesn't show, hence,not allowing me to boot to windows if I want to. It ...
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1answer
65 views

GRUB Rescue no such partition PLEASE HELP

Im new here so "Hello guys" i know to much themes like this on this site. BUT i have realy big problem AND NOW i dont know how to fix it i getting this error when installing ubuntu 14.04. ( i have ...
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1answer
44 views

Ubuntu Bootloader Help

I'm thinking of installing Ubuntu on my PC (quite old) alongside Windows 8.1. My BIOS mode is Legacy BIOS so no worries about UEFI settings. I have a separate partition (Local Disk E: 30GB) for ...
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1answer
19 views

kernel / initd boot settings

I have 2 seperate harddrives in my pc, one with windows 7 (working) and one with ubuntu. I am unable to boot into ubuntu for some reason :/ I installed easyBCD to correct the windows bootmenu and used ...
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1answer
119 views

How to make sure that grub is properly configured?

On a production server, I just did a dist-upgrade from ubuntu 14.04 to 14.04.01. During the upgrade, I encountered a serious problem with configuring grub. I finally traced back the source of the ...
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1answer
22 views

My Windows 7 option is not listed in GRUB

So this happened to me in July>But, Now I wan my Windows 7 back.Here's exactly what happened. 1)I had my Win7 installed on Drive C and Ubuntu on Drive E.Then I reformatted my Windows 7 and installed ...
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1answer
88 views

How to restore Windows 8.1 boot after installing Ubuntu on flash drive

System: Dell XPS 8700 running Windows 8.1 using secure boot and UEFI. Boot Info Summary: http://paste.ubuntu.com/8340337/ I installed Ubuntu on a USB flash drive using the Live CD version. My goal ...
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1answer
18 views

how can i dual boot with an already ubuntu computer if i have a harddrive i took out of a windows laptop with all its info on it?

ive looked and looked but cant find anything but repartitioning and creating both on one harddrive. what i want to do is take my built computer that i have ubuntu 13.10 (updating to 14.04 as im typing ...
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175 views

Install grub in separate boot partition (dual boot)

I have both Windows 8.1 and Ubuntu 14.04 installed on UEFI mode (of course, dual boot). I have used bcdedit under windows 8.1 to set grub 2 as the default boot loader: bcdedit /set {bootmgr} path ...
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47 views

ubuntu -grub rescue for no real reason?

I recently installed Ubuntu 14 on a brand new EXTERNAL hard drive. I loaded it up with a booted flash drive, then went through the install process, dividing the drive in half (450GB for ubuntu), 10 gb ...
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22 views

How to repair grub menu? [duplicate]

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
94 views

How to retrive root password, when someone has changed it?

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
139 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
91 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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20 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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23 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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36 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
65 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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49 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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21 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
58 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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36 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
97 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
14 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
60 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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85 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
51 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
70 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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1answer
51 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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15 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
22 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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1answer
191 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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23 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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29 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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1answer
84 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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5 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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169 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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1answer
30 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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60 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
118 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)' ...
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31 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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104 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
131 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
93 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: ...