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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Use Parted to change a partition's flag state

I had a Ubuntu 14.04.1 system with one SSD and one SATA hard drive. I had a problem with the SSD that my system was installed on. I replaced the SSD and installed a new 14.04 on to a it. The /home and ...
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3answers
266 views

Dividing an existing Ubuntu installation on two physical drives

I am planning to add an SSD drive on my Ubuntu machine. At the moment the computer has a single hard drive, containing the whole install. What I would like to do, is to move the existing installation ...
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36 views

cannot boot into Windows 7 after installing Ubuntu 14.04 [duplicate]

Here is url of boot-repair's "recommended repair": http://paste.ubuntu.com/8941902 During installation process Ubuntu couldn't find that Windows is already installed so I did "other install". ...
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3answers
82 views

problem with boot, grub-repair not help

Hello i want install ubunntu 14.10 (64biit) i already have orginal windows 8.1. I turn off secureboot in bios, and fastboot in windows. Installation ubuntu is no problem but i don't see grub after ...
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0answers
18 views

Dual booting thwarted by rogue keyboard presses?

End goal: successfully dual boot Windows 8.1 and Ubuntu 14.04, both are already installed and working. I just can't get to the bootloader (I think it's called) to choose to go back to my Windows ...
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3answers
8k views

Can't boot to Windows anymore after removing Grub on a Netbook [duplicate]

Today I decided to try out Fedora by booting it from USB. I liked the OS, and decided I wanted to install it to my hard-drive. I couldn't complete the installation because I needed to free up a ...
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1answer
40 views

What is the difference between installing Linux Mint and loading the iso file? [closed]

I have loaded Linux mint in my C drive via the iso file. I still find an option to install linux while booting Linux Mint . Is there any difference between loading the iso file and installing Linux?
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2answers
76 views

Booting into Windows after 14.04 Install (dualboot)

So I just finished installing Ubuntu 14.04! But the bootloader does not seem to work since I just boot into Windows 8.1 automatically. I have tried running the boot repair app without success. The ...
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2answers
140 views

Dual Boot Ubuntu 14.04 and windows 8.1 issue

I have installed window 8.1 after cleaning my hard disk..and then installed ubuntu 14.04 with the help of ubuntu forum directions.. But after installing both, window 8.1 sometimes start and sometimes ...
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4answers
2k views

Dualbooting Windows 8.1 with Ubuntu 14.04(Current OS)

I have a Dell Inspiron 15R 64-bit laptop. I had Windows 8.1 on it. While installing Ubuntu 13.04, I accidentally selected the option to erase everything on the disk and install Ubuntu, and as a ...
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1answer
111 views

Cant boot after cancelling MiniTool Partition Wizard

I wanted to resize the windows partition using gparted but it wont work, so i used Mini Tool Partition wizard. After first step was made it started to wipe an unallocated space (my wrong) so i ...
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2answers
2k views

Repeating Error: invalid environment block. Press any key to continue

During start up I get Error: invalid environment block. Press any key to continue... I have done the steps of the first answer from the following link Error: invalid environment block. Press any ...
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2answers
84 views

Windows 8.1 not coming up in boot options?

So I made a 200gb partition out of my 2tb HDD for ubuntu 14.04.1 and followed ALL the instructions listed in this video: https://www.youtube.com/watch?v=hOz66FC0pWU Yet when I reboot I only get the ...
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0answers
566 views

Dual boot problem with Win 8.1 and Ubuntu 14.10 - Only Ubuntu boots

I install Ubuntu 14.10 alongside windows 8.1 after install ubuntu I reset system so system boot in ubuntu directly and I can not boot in win 8.1 :( How I can repair boot for having two options ...
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0answers
256 views

Bootloader problem when installing Ubuntu 14.04 on Thinkpad x240

I just tried to install Ubuntu 14.04 on a new Thinkpad x240 with a ssd and hdd drive. It came without preinstalled OS. I chose Ubuntu to be installed on the ssd. During the installation I got the ...
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0answers
168 views

Bootloader Win7 / Xubuntu / Win10

I have problems with my bootloader. At first I installed Windows 7 and after that I installed Xubuntu to have the right bootloader to boot both OS. But now I wanted to try Windows 10 preview as a 3th ...
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1answer
24 views

How do i install ubuntu on corrupt win 7

I have an assembled computer. It runs on Windows 7 Ultimate. I exactly don't know what happened but when I switch it on , it says that "the file checksum does not match the computed checksum". So ...
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1answer
305 views

Recover grub from grub-rescue

I was using Ubuntu normally and suddenly the system went haywire and I had to do a hard reset. After that I got a couple errors trying to load Ubuntu, so I switched to Windows trying to find an ...
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5answers
804 views

Ubuntu 14.04 not booting before Windows 8.1

I try to boot my computer into Ubuntu, but I end up having to manually select Ubuntu from the devices menu, even though it was supposed to boot first. Instead Windows 8 boots up like Ubuntu isn't even ...
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1answer
363 views

Bootloader not working

With not apperant reason when I booted my computed today I got to a Grub command line screen. As far as I read it seems that the grub might been defected. I've downloaded the Ubuntu live CD and ran ...
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1answer
98 views

Where should I install bootloader in a system with multiple disks?

I have selected partitions for root, home, and a swap area. I have two drives, one for storage, one for the operating systems (ssd, soon to be systems). Should I install the boot loader on the drive ...
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0answers
73 views

Where should I install grub2 on external hard disk when System(Ubuntu) partition is NOT on the FIRST partition of external hard-drive?

I have installed Ubuntu 14.04 on my external USB hard disk (/dev/sdc). The partitioning of the device is something like this: /dev/sdc /dev/sdc1 -- 1 GB (FAT32, Empty) /dev/sdc2 -- 100 GB ...
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2answers
325 views

Where should I install the bootloader when I'm installing on external hard drive?

I'm on a mac on dual boot, I've got my hard drive partitioned so that it can run OS X and Windows. Now I've got an external hard drive that I want to install Ubuntu 14.04 on it and use it on my mac. ...
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2answers
2k views

Configuring grub for Ubuntu on Lenovo Ideapad Flex 10

Situation I have installed Ubuntu Linux 14.04 on a Lenovo Ideapad Flex 10. The only problem I'm facing now is to configure the bootloader. I'm quite familiar with Ubuntu, but not with grub or ...
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0answers
41 views

Bootloader fails to install

I'm trying to install Ubuntu 14.04 on my mac. I partitioned the hard drive and whenever the installer reaches the part of installing the bootloader it tells me that it was unable to install it. I've ...
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1answer
142 views

Mac efi bootloader doesn't show ubuntu, and GRUB load automatically

Right now when I start my computer GRUB loads, and then I can select if I want to start either OS X or Ubuntu, and if I start the computer holding down the alt-option key to load Mac's efi bootloader ...
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0answers
26 views

Why do I get an error whenever I install the bootloader?

I'm on an iMac which also boots Windows XP and I want to install Ubuntu on an external hard drive. Whenever I get to the part of installing the bootloader I get an error. Previously I continued ...
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0answers
40 views

Should I install the bootloader on the internal hard drive?

I've got a mac and I want to install Ubuntu on an external hard drive. Whenever I try to install Ubuntu on the hard drive I get an error when the program tries to install the bootloader on the ...
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0answers
34 views

Two windows 7 entries with only one working randomly when booting

I installed Ubuntu alongside Windows 7 just now and when booting up, I get the menu: Ubuntu memtest windows 7 (loader) /dev/sda1 windows 7 (loader) /dev/sda2 Now, the problem is ...
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1answer
474 views

Burg bootloader Ubuntu 14.04

Hello I'm a relatively new ubuntu user and I'm having some trouble with the burg bootloader. The issue is that when I choose the ubuntu option it works 1/3 of the time without any trouble but ...
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0answers
445 views

“adb reboot bootloader” not working in my samsung s7392, what to do?

Some of my friends have installed ubuntu touch in gt s7392. So , I know it is possible to install ubuntu touch in the device, and they are very happy with it. But, the problem occurs, when I try to ...
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0answers
149 views

Do not show GRUB loader after Truecrypt login and remove windows from list

I have a dualbooted laptop running Windows 7 and Kali. Kali has an encrypted partition (LVM) holding all my data and a boot partition. I recently installed TrueCrypt on my Windows computer. So I ...
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1answer
58 views

How to set password for grub bootloader?

How to set password for grub bootloader on Ubuntu?
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1answer
68 views

Can I install Windows after Ubuntu 14.04? [duplicate]

I'm thinking about if Windows can be installed after Ubuntu like a Dual Boot thing... Please tell me if its possible.. without losing any Ubuntu files Anyway I'm a new to Ubuntu
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0answers
37 views

Need Immediate Help for Kubuntu installation

I am very new for Kubuntu and other Linux OS. I tried to install Kubuntu through my Pen drive and got some error message while installing here you can find error message Traceback (most recent call ...
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1answer
58 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
878 views

Attempt to read or write outside of disk 'hd0'

I installed 14.04 on my new 3 TB disk. After restart the system responded with error: attempt to read or write outside of disk 'hd0'. Entering rescue mode... grub rescue> When I booted with Live ...
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2answers
292 views

Where can I find GRUB bootloader script before the system started up?

Where can I find GRUB bootloader script before the system is started up? I'm running on VBox V4.3.12 r93733.
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1answer
56 views

Upgraded to 14.04 but have a problem editing grub

I am trying to edit this file to add "nomodeset" to the end of the line. Is there any way to edit a buffer? Is there a work-around for this?
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0answers
661 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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1answer
85 views

Ubuntu on rMBP, bootloader location

I'm getting ready to do a fresh install of Ubuntu 14.04 on my Macbook Pro. My setup is as follows: Mac OSX and Windows-Bootcamp on the internal SSD Ubuntu 13.04 on an external SSD hooked up through ...
0
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1answer
128 views

Ubuntu 14.04 does not boot

Can you please help me, after performing system updates on Ubuntu 14.04.1, my laptop does not boot, only blank screen. I have tried using repair disk but no joy. My file is : ...
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2answers
164 views

What is the Ubuntu os loader and where does it reside?

I am studying for a class on System and Network Engineering and in one material we are told that Ubuntu uses the OS loader to load the bootloader GRUB. My question is what is the Ubuntu OS loader and ...
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1answer
28 views

Error when log in my partition?

** I want to install Ubuntu beside my windows 8 but I made a mistake that i installed only Ubuntu ,but when I logged in Ubuntu and went to open my partitions , an error appeared said that "This ...
18
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1answer
16k views

How do I re-run boot loader?

Running sudo apt-get -f install said that The link /vmlinuz.old is a damaged link and: you may need to re-run your boot loader[grub] Here's the full output: user@chrubuntu:~$ sudo apt-get -f ...
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0answers
100 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 ...
0
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1answer
173 views

How can I use the installer to manually boot into a system without GRUB installed?

For the sake of experimentation, I am trying to document a minimal procedure for a pure EFI boot of 14.04 on a Mac Mini. This involves installing a base system (using the Mac-flavoured server install ...
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2answers
2k views

How do I make my native Windows 8 Lenovo laptop boot grub?

I like to think I'm not a novice on this issue but this situation is proving me wrong. I've been trying for about two days to figure out a way for my Lenovo S415 to install Ubuntu. I have disabled ...
5
votes
4answers
7k views

Failed to install bootloader

I am trying to install Ubuntu 12.04 by creating a USB Boot Disk. I am using a 500 GB External Hard-drive ("Elements"). I get through the first part of using the start-up disk creator. I select ...
2
votes
3answers
1k views

Windows Vista disappeared after installing Ubuntu10.10?

I had Windows Vista Ultimate SP2 160 GB HDD, 1GB RAM,INTEL DUAL CORE One of my friend told that UBUNTU is also a better OS and is an open source programme and u can use alternately both Ubuntu or ...