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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22 views

How do I create a bootloader like Windows? [on hold]

I am creating a new OS for my own purpose. I'm updating and creating new features for Ubuntu. I want to know how to: Create a menu bar like OSX Create a bootloader like Windows, but more creative ...
-1
votes
0answers
22 views

Installing Debian on MacbookPro, cant boot the iso [on hold]

this is my first question on AskUbuntu, but I use this forum almost everyday. This is the thing, I have a MacBook pro mid 2012 and I installed a full Ubuntu 14.04 LTS instalation on it. Removing all ...
2
votes
1answer
35 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
votes
2answers
14 views

Boot-sector size is constant?

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
20 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
votes
0answers
18 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
0answers
13 views

External HDD Installation on Secure Boot UEFI Device

I wanted to install a standalone version of Ubunto to my external device so I could hook it up to every machine, however after installation my current system does not want to boot from the external ...
0
votes
1answer
24 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
0answers
12 views

Error Message while rebooting Nexus 7 tablet for ubuntu touch

I tried installing Ubuntu touch on my nexus 7 wifi tablet 2013 edition and I am getting this error: "Your phone needs restoring from a PC or service center" could anyone please tell me how to make ...
1
vote
0answers
25 views

how can I recreate windows 8.1 bootfiles to put on my efi partition? [on hold]

I made a mess of my efi boot partition. I installed Ubuntu gnome 14.10 on a partition on my HDD. During the installation i had manually formatted the efi partition without thinking about that my ...
0
votes
1answer
17 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
0answers
24 views

Installing Bootloader on Seperate HDD [closed]

I am trying to install LinuxMint on a seperate HDD while having 2 other HDDs in RAID 0 with windows 8.1. I was told to install the bootloader on the raid 0 HDD's but the windows RAID does not show for ...
0
votes
2answers
29 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
0answers
45 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 ...
-2
votes
1answer
40 views

During installation of Ubuntu it showed Warning! message What can i do for this [closed]

I tried for Ubuntu 10.10 .... it shows warning ! the warning message seems :- /dev/sda contains GPT signatures, indicating that it has a GPT table . However, it does not have a valid fake msdos ...
0
votes
2answers
32 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
34 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 ...
1
vote
2answers
67 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 ...
0
votes
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
votes
1answer
29 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 ...
-2
votes
1answer
30 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 ...
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votes
0answers
53 views

error: no such device, unknown filesystem

I decided to install Ubuntu to my external hard drive (partitioned sdc into 3, using one as the swap location, one for installation and one to retain files I really needed to keep, using Hitachi as my ...
0
votes
0answers
34 views

How to compile a boot loader for 32bit UEFI to be able to boot and install a 32bit Ubuntu OS?

I want to install a 32-bit Ubuntu on a system with a 32-bit UEFI (Bay Trail Intel Atom tablet). How should I proceed? This is not a duplicate of 32-Bit UEFI Boot Support, because this doesn't explain ...
0
votes
0answers
17 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
votes
1answer
24 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 )
0
votes
0answers
14 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 ...
0
votes
0answers
24 views

Messed up bootloader and locked out of windows/xubuntu. With live CD I ran boot-repair, now windows works but not ubuntu

My computer directly boots in to Windows?. I ran boot-repair and I can see my Ubuntu partitions are unharmed, what can I do to fix my system boot-loader?
0
votes
0answers
141 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 ...
0
votes
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 ...
-1
votes
1answer
35 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
votes
0answers
18 views

Boot manager problem

I installed Ubuntu 14.10 along with my Windows 8 pre-installed UEFI OS and it installed correctly. My problem is when I reboot or turn on my system it asks whether go to Ubuntu or Windows 8. But once ...
0
votes
1answer
75 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
0answers
69 views

i've lost my windows 7 after installing ubuntu 14.02

I've lost my Windows after installing Ubuntu with my flash-drive. When I start my notebook it directs boots in to to Ubuntu ,I also did a boot-repair, but I am unable to dual-boot Ubuntu with Windows ...
0
votes
0answers
30 views

Windows 8.1 not booting after trying ubuntu 14 on hp 1000

It all started when I made my harddisk drive bootable and uses C (where my windows 8) was installed to boot ubunt, I used unibootein software for it. It worked fine for me every time on start up I ...
0
votes
1answer
36 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, ...
0
votes
1answer
46 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
34 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
75 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
180 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 ...
0
votes
0answers
26 views

How to fix Grub2 not viewing all OS on a Quad-Boot system?

I have quad-boot system set up right now for my Computer Engineering Class (Highschool). I have MS DOS, Windows XP and Ubuntu installed. Each individual operating system (on it's own partition) works ...
0
votes
0answers
17 views

device for boot loader

I have a dual boot system (ubuntu 14.04 + windows 8.1).I was trying to install ubuntu on my usb and while installing for option device for boot loader - I selected usb .And now I can't get grub menu ...
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votes
1answer
27 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
77 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 ...
0
votes
0answers
39 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
0answers
34 views

I have to go through grub and windows bootloader to get to windows, can i change this?

I got a new SSD,on which i installed Windows 8.1, and had Ubuntu on my second hard drive .Now when I boot up my computer boots to GRUB where I can either boot to Ubuntu or to Windows. If I click ...
0
votes
1answer
95 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 ...
0
votes
0answers
53 views

Minor problem with Grub entry for Windows 8.1 - Only Windows Boot Manager shows

I have done the seemingly impossible. I've installed Ubuntu 14.04.1 on a machine that came with Windows 8.1 pre-installed. Yes, it took some tweaking. But I finally got Grub to load up when my ...
1
vote
1answer
344 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
64 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
64 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 ...