A bootloader is a small program that gets executed at startup time. The bootloader loads data and other startup process into RAM where they can be executed.

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update-grub shows “No volume groups found”

Whenever I run sudo update-grub in a terminal, I get the following output: Generating grub configuration file ... Found background image: /usr/share/images/desktop-base/desktop-grub.png Found ...
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1k views

ADB device offline on ubuntu, can't unlock the bootloader

sudo ./adb reboot bootloader error: device unauthorized. Please check the confirmation dialog on your device. I'm getting the above error while trying to connect my Yureka! to my ubuntu 14.04 ...
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2k views

Graphical Bootloaders?

I am currently using Ubuntu LTS 14.04 and I am curious about various graphical bootloaders. I have heard of them, such as BURG, GAG, Chameleon, Chimera, etc. However, they (GAG and BURG because I ...
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0answers
57 views

update-grub Not Respecting Preferences from /etc/default/grub

Following the advice from an answer to How do I remove or hide old kernel versions to clean up the boot menu or free space?, I found myself having to put up with the GRUB boot menu every time I ...
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0answers
64 views

Change Bootloader title to include bit

Secondlife runs on 32 bit linux. I've tried WINE, Crossover, and installing the 32 bit libraries. Nothing has worked so now I'm having to install a 32 bit copy of Ubuntu as a second partition just to ...
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375 views

Edit Windows Boot Loader from Ubuntu

I am using Ubuntu 12.10, and Windows 7. I accidentally removed the Windows option from the Windows Boot Loader using EasyBCD. I do not know how to access the windows boot loader configuration files. I ...
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19 views

Grub rescue mode, bios in order, won't boot from window 7 recovery CD nor Ubuntu 14.04 live cd, nor usb key

Alright. I have (had) an Acer Aspire 4739z. Dual boot Windows 7 and Ubuntu 14.04 I have a grub rescue mode problem since booting in Rescue Mode (by mistake of course). And now the fun starts. My ...
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63 views

How to dualboot Ubuntu and Windows (as default) with minimal delay on boot?

I know there are some other questions here similar to mine, but i think my problem is a little bit different. So I currently have Windows 10 as my only OS, and I want to install Ubuntu on dual boot; ...
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55 views

How right is to set grub booter file to control fan acpi by linux

What is the right stroke to set in grub booter file to control fan by linux for notebook Acer TravelMate 4652LMi osi_acpi=Linux or acpi_osi=Linux or some other parameter
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81 views

How do I boot into Windows 10 again?

I have windows 10 installed on partition 4 which is hibernated (but I'm able to mount it in read-only mode from Linux), but I cannot boot into it because I had removed the Windows bootloader. I also ...
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40 views

ubuntu touch S6102 no bootloader

I have a Samsung S6102 with android 2.3.6. I have tried to install ubuntu touch while following the instalation instuctions on your page step by step. However I have a problem. While android is ...
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102 views

Install Ubuntu (or any Distro) on a Windows 8.1 Tablet

I've been thinking about getting a cheap x86 Windows tablet and install Ubuntu and/or other distros on it. I'm not sure if there's anything fundamentally wrong, but being x86 devices it should be ...
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207 views

How to repair Ubuntu GRUB bootloader from within Windows WITHOUT a live CD

I've been running Ubuntu 15.04 and wanted to install Windows 7 for dual boot, and it of course deleted the GRUB bootloader upon install. However, every time I try to use a live CD or USB to repair ...
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281 views

Failed to install GRUB boot loader on HP ProLiant DL380p Gen8 Server

please I need your help. So I am trying to install Ubuntu Server 12.04 on this server. Everything else installs correctly, especially the software which I have selected. But when it comes to the GRUB ...
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100 views

Ubuntu - win 8.1 dual boot - ssd and uefi woes

I built my new computer last week and decided it was about time I installed my dual boot. I disconnected the gpu as I was getting an out of range issue with the monitors, presumably as a result of not ...
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188 views

Can't unlock bootloader on my Wiko Goa

I'm trying to port Ubuntu Touch to my Wiko Goa. However, I'm unable to unlock the bootloader. Could someone please help me?
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127 views

my pc displays GRUB and doesn't starts

I just tried to install ubuntu on my PC. I ran Wubi and rebooted computer. My pc has two partitions, one with windows installed and the other with an ubuntu-based linux OS called Linkat, created in my ...
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38 views

cannot boot to windows 7 after installing unbuntu on another internal disk

I have a windows 7 64bit desktop (sda). I've been getting into linux after experimenting with raspbian/raspberry pi 2. decided to install ubuntu (sdc) on a spare internal drive separately from windows ...
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152 views

Booting Ubuntu from USB

I have tried a persistent installation of Ubuntu 14.10 on my PNY 32GB USB2.0 to use as a portable OS to boot my PCs. Everything is alright. I can boot my two PCs with the flash drive, however, as ...
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194 views

How to repair grub to work with multiple hard drives?

On my computer I have multiple hard drives. One of them has Ubuntu 14.10 and the other has Windows 8.1. I messed up my boot loader and know only Ubuntu appears in the grub list. Windows 8.1 is on the ...
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128 views

AppArmor on BeagleBoard Black (and probably other ARMv7 devices)

I've installed Ubuntu onto my BeagleBoard, using the instructions at http://www.elinux.org/BeagleBoardUbuntu . This runs the ARM version of Ubuntu 14.04. This all went to plan and it worked, and I ...
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327 views

Bootloader Install Failed Ubuntu 14.04

I tried to install Ubuntu 14.04 on my SONY VPCEL15EN, Every thing worked fine but at the end it shows that Bootloader Install Failed. Now I have 3 options 1 to install somewhere else 2 continue ...
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751 views

Boot Ubuntu, Windows 8.1, and Windows 10 Technical Preview with Grub

I originally installed Windows 8.1 and Ubuntu, using grub to give me a selection of operating systems to boot to when it starts up, and that works fine. I decided I wanted to try the Windows 10 ...
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158 views

How to make Windows 8 appear in a boot menu when dual-booting with Ubuntu?

I want to ask how to create GUI for choosing OS when booting my notebook. I have Windows 8 preinstalled on my notebook, and I wish to have a dual boot system with Ubuntu, However, after Ubuntu ...
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115 views

Uninstall ubuntu from external hard drive + remove bootloader from internal hd

I have created a bootable usb stick with linuxlive and Ubuntu.I then tried to install ubuntu on my external harddrive. However I guess I wrongly picked the drive where the boot section is installed, ...
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104 views

System Hangs on Boot after BURG Install

I installed burg using these instructions. burg-emu worked fine, the burg interface worked great, and I can still boot windows correctly. When I boot linux (recovery or normal), I get the linux ...
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3k views

Ubuntu 14.04 bootloader install failed

Hi today I decides to upgrade from 12.04 to 14.04. Everything worked in the last moment, a message poped up saying that my bootloader install had failed and would not let me install it on a different ...
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20 views

Grub 2 wont show window8

I installed Ubuntu 14. 04 on my Lenovo ideapad 580 (4GB RAM, 500GB HDD, i3, Windows8 preloaded). I switched from UEFI to legacy mode. Then I had a grub issue and Ubuntu won't load at all. I tried boot ...
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168 views

no GRUB menu bootloader option

I have used Ubuntu distribution in my HP laptop along with Windows 7 dual-boot before. But due to some mistakes while partitioning using windows default partition tool, I formatted my system drives ...
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1k views

USB Keyboard not working in the bootloader, but does in BIOS and OS's

I have Windows 8 and Ubuntu installed alongside on my computer. However, my USB keyboard doesn't seem to work when supposed to navigate the GRUB menu. This was also a problem when i only had Windows ...
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1k views

GRUB INSTALL ERROR during installing Ubuntu 14.04 alongside Windows 8.1

Few days back i had tried to install Ubuntu 14.04 on my Windows 8.1 Laptop(factory installed).The installation ended but when the system restarted then the boot menu just showed the Grub Boot menu.It ...
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530 views

Installed ubuntu 12.04 but only terminal shows and there is no option to start windows 7

When i start my laptop it shows a menu "GNU GRUB version 1.99-21ubuntu3.9" with options ubuntu, with linux 3.5.0-23-generic, ubuntu, with linux 3.5.0-23-generic(recovery mode), memory test ...
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507 views

How do I fix a fatal error at installation?

I tried reinstalling 12.04LTS x64 to my Laptop and the grub boot loader is giving me a fatal error at installation. Error: Executing 'grub-install /dev/sda' failed
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231 views

How to deactivate grub after fresh installation?

Short version I have a system with Windows 8 and in a working but undocumented state and next to it an Ubuntu 12.10 with the Grub2 bootloader, which doesn't recognize Windows correctly. I want to ...
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0answers
8 views

Access to hard-drive when machine won't boot

Recently I tried to downgrade my kernel (from 3.13 to 2.6.24), and I made sure that the 2.6.24 kernel compiled and installed without any errors. I also updated the grub file to boot with the newly ...
0
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0answers
39 views

Ubuntu is not booting after re-installation of Windows in dual boot system

My laptop was dual booted - Windows 7 (32 bit) along with Ubuntu 14.04 (32 bit) LTS - and I used it without any problems. Due to Windows performance issues I had to format windows primary C:\ ...
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0answers
16 views

Stop Ubuntu on Macbook from booting into OS X from external drive

I have Ubuntu (Lubuntu) installed on a MacBook which has two external hard drives connected to it. One of the partitions on one of those drives is a bootable backup of an OS X machine. When I reboot ...
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0answers
18 views

Ubuntu's boot loader is signed by a key in order to boot in secure boot mode. Is this key embedded in all UEFI firmware computers by default?

Most new computers are secure boot locked and it is not possible to add your own custom key.
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16 views

How to solve the error starting version 219?

My Ubuntu 15.04 is showing "starting version 219". I can't login to my system. What is this? Is this a bug of Ubuntu? How do I can solve this issue? Please help me.
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20 views

Creating boot partitions on multiple disks

I'm trying to get some redundancy with RAID1 on my Ubuntu Server box. I've made some good progress using the install wizard but I'm stuck on the following: >> lsblk NAME ...
0
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0answers
21 views

Win 8.1 UEFI + External HDD Ubuntu - Bootloader directory

I would like to install Ubuntu 14 on an external Drive for use alongside my UEFI Windows 8.1 System, however I am unsure of where exactly to install GRUB. The external hard drive Im using is also ...
0
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0answers
27 views

Boot time is too long after uninstall Ubuntu from computer

I have 3 OS on my laptop Window 10,Ubuntu 14.04 and Ubuntu Mate.. I uninstalled Ubuntu 14.04 from the computer after that ubuntu mate's boot time takes nearly 5 minutes.. Before I uninstall ubuntu ...
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29 views

Kernel problem, how to downgrade

I am using Ubuntu 15.10. uname -r 4.2.0.30-generic. But this kernel is installed partially with errors and my boot loader got default updated to that. I have Linux image ...
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0answers
23 views

Cannot install Lubuntu from pendrive

I cannot install Lubuntu as the second system (on the same hard disk) next to Ubuntu 14.04. I've tried to create bootable pendrive by using unetbootin and when I`m trying to install OS, my laptop send ...
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0answers
23 views

Cant find the correct filesystem to recover ubuntu bootloader

I have windows 10 and Ubuntu 14.04 as dualboot on my laptop. I deleted bootloader by mistake from disk management. and i am on the grub rescue. When i tried ls command i get this: (hd0) ...
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27 views

How to create a Live DVD/USB without option to install

I have developed a custom distribution based on Ubuntu LTS 14.x intended to introduce non-technical users to using Linux on an existing computer, but do not want to risk them choosing an installation ...
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70 views

Windows 7 boot loader overwritten by Ubuntu

I have Windows 7 installed on my PC (C:, D:, E: and System Reserved). I've tried to install Ubuntu on D:. when I try with live USB, it showed me only 2 options erase all disk with 2 check boxes ...
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27 views

Unable to install new OS after installing Lubuntu 14.04

I have install Lubuntu 14.04 in my machine, but now I want to dual boot my system. I am not able to install/boot any other OS including Windows-XP, Linux-Mint, Ubuntu 9.10, Lubuntu 14.03 etc. using ...
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0answers
17 views

Ubuntu boot takes multiple restart?

I have recently installed Ubuntu 15.10 and I am unable to start my system in one go(I need to forcefully shutdown and then restart multiple time to get grub screen). I google it and got to know that ...
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0answers
40 views

Permanently Remove GRUB and Linux from Triple-Boot System (GRUB Lingering After Attempted Removal)

I had a triple-boot system consisting of Windows 8.1, Ubuntu 15.04, and Kali Linux (can't recall version, should be irrelevant anyways). I have no further need for a triple-boot system so I've ...