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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145 views

Dual boot into ubuntu with windows boot manager?

Noob here, please bear with me. I installed Ubuntu 14 LTS on a separate partition of size 10GB and formatted it to ext4 during installation. Now it is not visible through windows. The installation ...
1
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0answers
39 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 ...
2
votes
2answers
557 views

Does the UEFI partition either “MUST” or “SHOULD” be first for some reason? If so why?

In a non-English Ubuntu-it.org wiki page it's stated that the UEFI partition MUST be always placed at the start of the disk. This is not the case in the English Ubuntu Community Help Wiki page. So ...
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1answer
32 views

How to Remove the bootloader and automativally start ubuntu 14.04

Currently I am using Ubuntu alongside Windows 7.I have decided to get rid of windows and gain some extra disk space.That's easy. But How am i Supposed to remove the Bootloader at startup and directly ...
2
votes
2answers
4k views

Is running Burg on 15.04 possible?

Is it possible to have grub2 replaced with burg on Ubuntu 15.04? I had it on 14.04 but I'm struggling to get it on 15.04, does there need to be in a repository for 15.04 or something like that? If so, ...
0
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1answer
41 views

Get proper boot on Grub2

This question is very similar to others one but I haven’t find a precise answer to my problem. I have one hard drive, with 4 partitions : A first system partition with window's bootloader A ...
2
votes
4answers
1k views

Problem booting Ubuntu on external hard drive

I have this very weird problem with my Ubuntu installation. I installed Ubuntu on an external hard drive (Seagate 2 Terabytes usb3) and everything seems normal. But when I unplug the external hard ...
2
votes
1answer
88 views

Do I need a bootloader in my existing hard disk to boot from USB?

The question is aimed at understanding the boot functionality when I try to boot from USB/a pendrive containing an OS. Does it use the bootloader of my existing OS in the HDD when I try to boot from ...
0
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1answer
44 views

Boot-sector size is constant? [closed]

I read that first sector on any partition needs to be reserved for bootloader, regardless of weather it is used or not. But sector sizes changed from 512 to 4096 bytes. So how much space must really ...
2
votes
1answer
306 views

Partitions deleted, disk cleared, but boot info still there

I've been trying to set up my ThinkPad T420 to boot Windows 10 Technical Preview on disk 0 (/dev/sda) and Ubuntu on disk 1 (/dev/sdb). I've reinstalled many times, and now I'm having trouble booting ...
0
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1answer
51 views

how to add win to boot menu

I have 2 hard drives, 1 wit win and 1 with ubuntu how to easly add win to boot menu? I've installed grub customizer, can it be done by that program?
0
votes
1answer
225 views

Cant boot OS from USB/DVD after deleting linux partition [duplicate]

After trying in google for almost 2 days I came here to post this. I had Windows and linux in my hard disk. I tried to format linux but mistakenly deleted the partition. It got hung and forcefully ...
0
votes
1answer
23 views

Restore Windows Installation [duplicate]

I've got the following problem: I had a ssd (sda) with windows 8 installed. Now I added another ssd (sdb) and installed ubuntu 14.10 on it, but I didn't create a efi partition and installed to sda. So ...
0
votes
2answers
546 views

How to set windows (8.1) boot manager as defualt

I would like to set the windows boot manager as the default boot manager instead of grub, could someone please help me out? I've been on google for a while and all i can find are instructions for ...
4
votes
1answer
79 views

How to boot Ubuntu in complete darkness?

Is there a way to load Ubuntu without the splash screen or verbose mode? That means no visual queues or code reporting. Is this possible? Known settings in the grub loader: Verbose Mode ...
0
votes
2answers
52 views

Can't boot windows 7 after reininstalling ubuntu 14.04

I had Windows 7 at first and i needed Ubuntu for some project , so dual booted windows 7 alongside Ubuntu and was working perfectly . Then ,got some issues with Ubuntu so reinstalled Ubuntu again . ...
0
votes
1answer
196 views

cant install windows 8 while ubuntu is already installed ! [want to dual boot] [duplicate]

I am having ubuntu 12.04 LTS , I was trying to install windows8 but at the partition selection i got this error " We couldn't create a new partition or locate an existing partition" . But i had ...
2
votes
2answers
273 views

Grub loader always takes 10 seconds

The default grub loader is always runing 10 second countdown before launching Ubuntu 14.04. This is how it looks in etc/default/grub: GRUB_DEFAULT=0 #GRUB_HIDDEN_TIMEOUT=0 GRUB_HIDDEN_TIMEOUT_QUIET=...
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0answers
33 views

How do I get Xubuntu to automatically boot from startup? [Xubuntu 14.10] [duplicate]

At the moment to boot up my Ubuntu system I have to: Turn on my laptop Hold Shift to start up GRUB Select Ubuntu and press enter Log in I would like to just turn on my laptop and then when Ubuntu ...
0
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1answer
44 views

Ubuntu grub in dual boot

I have a Windows 7/Ubuntu 14.04 LTS dual boot and I've been using it with the Windows boot loader for a while. After a while, when I choose Ubuntu in the Windows boot loader I am redirected to the ...
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votes
1answer
107 views

How can I RE-ENABLE USB boot …? [duplicate]

I have made a bootable USB. I have made 100s of them before. I have a dual boot pc, Kali and Ubuntu. I want to reinstall Kali from USB (alongside my UBUNTU), but the computer will not boot to USB ...
0
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0answers
18 views

How do I temporarily remove grub from mbr? [duplicate]

I have a dual-boot system with Ubuntu 14.04 and Windows 7. Windows 7 has recently released an update that won't install due to grub. I want to restore the windows bootloader so it can install this ...
0
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1answer
55 views

Ubuntu and Fedora dual boot

i've successfully dual booted fedora and ubuntu, how do i remove the bootloader from fedora and just use ubuntu's bootloader for both fedora and ubuntu (Ubuntu version 14.01 and Fedora 21 )
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0answers
16 views

No option to boot to Windows 7 on startup? [duplicate]

I have installed Ubuntu to dual boot with windows 7 on my laptop. However, my laptop boots straight to Ubuntu without giving me a chance to boot to windows 7. Is there a way I could get a choice on ...
2
votes
0answers
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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0answers
12 views

clean new HDD install [duplicate]

I have tried to install Ubuntu to a clean unused hdd on a laptop but am getting no boot drive, is there a different version of Ubuntu I need to download or if am I going about this the wrong way ...
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votes
1answer
89 views

System boots directly in to Windows without showing boot-loader option

I have installed Windows 8.1 as dual-boot with Ubuntu 14.xx . dual boot of my system is working fine.... but last night boot-loader is not appearing and the system boots directly in to Windows,My ...
0
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1answer
436 views

How to triple boot windows 7, ubuntu 14.04, and ubuntu 14.10 (keeping windows loader if possible)

I want to be able to play around with drivers and updates without putting my primary work in danger so I want to add ubuntu 14.10 to the possible OSes I can boot into. I already have windows 7 and ...
0
votes
1answer
57 views

Boot in UEFI mode

I have ubuntu 14.10 installed on a pendrive in legacy mode. I can use it to boot my desktop and tablet in legacy mode, but not UEFI. Is there any way to make it bootable in UEFI mode? For example, ...
2
votes
1answer
566 views

Bootchart and how to optimize boot time

I have spent some time researching how to decrease my boot time. I made several changes to my grub boot parameters. However I could really use some help to understanding what else I could do. I spent ...
0
votes
2answers
37 views

cant boot after opening 2nd partition on hard drive

have ubuntu 14 and opened another partition on hard drive, i checked the box making this partition boot able and restarted computer, now can't get computer to boot any ideas how to fix? have tried ...
1
vote
0answers
166 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 ...
0
votes
3answers
1k views

PC does not boot into Windows, but Ubuntu still works well; how to recover?

I installed 7 operating systems in my PC. All worked very well. (Ubuntu 11, Ubuntu 14, EduBoss, Redhat6, Nodezero, Windows 8, Win 7). I frequently used Windows 8 and Ubuntu 14 last 6-7 months, I enjoy ...
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votes
1answer
40 views

How to make changes in bootloader?

Hi I have an assignment to complete and my teacher has asked me to make changes in my boot-loader so that when my system boots there is an option of "Welcome Sarah". I have dual boot set up in my ...
0
votes
2answers
527 views

Install Ubuntu on UEFI without Windows or Boot Loader

I have a Gateway netbook that has already been fully wiped with nothing on the hard drive. There is no Legacy option in bios and the only thing I can boot from the USB is a Gparted disk utilizing Grub/...
0
votes
0answers
40 views

I installed Ubuntu 14.04 LTS alongside Windows 8.1 (With UEFI) and I am unable to boot into Ubuntu [duplicate]

I have recently installed Ubuntu 14.04 LTS on my laptop alongside Windows 8.1. My laptop came pre-installed with Windows 8, thus it has UEFI instead of BIOS. I have tried booting with secure boot and ...
0
votes
1answer
162 views

Dual boot WIndows 8.1/Ubuntu 14.04

OS:Windows 8.1 64 bit. Secure boot:Disabled. Boot mode:Uefi I wanted to install Ubuntu 14.04 64 bit,so i will be able to dualboot.I burned the .iso image to a usb flash drive and run it.Everything ...
1
vote
1answer
775 views

Bootloader location, dual boot Ubuntu 14.10 & Kubuntu 15.04

I am currently running Ubuntu 14.10 on my laptop. I dual boot with Windows 8.1, and now I would like to install Kubuntu 15.04 alongside all this to see if KDE Plasma 5.2 + SDDM works with nvidia-prime ...
0
votes
1answer
484 views

After messing with EasyBCD no entry in Boot Manager

I installed BURG and before I had Easy BCD in my MBR, Everything fine only problem when picking Windows to boot the EasyBCD Windows Boot Manager showed up. So I booted to Windows removed all entries ...
1
vote
0answers
207 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 ...
0
votes
1answer
102 views

Restoring the bootloader and login screen of Vanilla Ubuntu after installing Ubuntu Studio

I have looked at many similar questions for a while, but I've been so far unsuccessful. I have recently installed Ubuntu Studio after installing Vanilla Ubuntu 14.04, and I am quite new to Ubuntu, ...
0
votes
2answers
117 views

uninstall ubuntu [duplicate]

I am trying to uninstall ubuntu to install windows. when I tried to boot it is taking me to grub prompt. is there any other ways to boot without using grub or if using grub is compulsory then what is ...
1
vote
0answers
136 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 ...
0
votes
1answer
928 views

0xc000000f error when starting Windows from Grub

Recently I corrected the dual boot by re-installing the grub bootloader. I did that by first adding an entry pointing to Linux in easyBCD settings. Then, when I restarted the computer it showed ...
0
votes
1answer
128 views

unable to boot ubuntu after refreshing windows 8 [duplicate]

Ubuntu was installed in disk H and windows 8 in disk C. Now, I refreshed windows 8 and I am not able to get the option to boot to ubuntu when I start my laptop.
0
votes
1answer
101 views

how to boot from linux mini iso to first hard drive

My Problem I'd like to know how to boot in to first hard drive when using a custom txt.cfg for isolinux while using the official minimal Iso from Ubuntu. I'm asking because VirtualBox has a bug and ...
0
votes
1answer
31 views

Question about installation: Does Re-installing ubuntu over previous Ubuntu partition delete files?

I installed windows 8,1 and I think the bootloader got messed up and I tried the "check disk for errors" when you first boot the installer and it fixed them, but ubuntu wouldn't start. I have the try ...
0
votes
1answer
260 views

Laptop doesn't boot, fails loading the GRUB bootloader!

I-m facing a very annoiyng issue with my laptop that has a dual boot system with Windows 7 and Ubuntu 12.04. Since I don't know why the GRUB bootloader stopped to work and the laptop can't load. I'm ...
0
votes
2answers
106 views

Bootup (100 times slower than usual) drops to a shell IF at boot time the computer was off for less than 5 minutes. USB mouse no longer recognized

I've been using Ubuntu on a Windows dual-boot Sony Vaio VGN-CS390 laptop for more than five years now. Yesterday I made a fresh install of 14.04 LTS over 12.04 LTS. Everything worked fine, even after ...
0
votes
2answers
744 views

Installing Ubuntu 14.10 and window Installation type

I am installing Ubuntu and am stuck at one window that is called "Installation type" I have 3 partitions on my hard disk: 80 GB NTFS, 140 GB NTFS and 15 GB EXT4 and want to install Ubuntu on the 3rd ...