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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Easiest way to get GRUB bootloader to appear first

so here's my problem. I'm running a dual boot Win8/Ubuntu 14.04 LTS setup, I forgot to install the GRUB bootloader when I was partitioning for the Ubuntu 14.10 installation. This forces me to boot ...
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14 views

Using Ubuntu 14 running from CD to install windows 7 on empty HDD [on hold]

I'm quite new to Linux. The reason I decided to use it has to do with a problem I had on my laptop: The display is broken and my friend was about to put it to garbage. So the disk was removed and ...
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13 views

how to fix this [on hold]

C:\WINDOWS\system32>bcdedit /set "{bootmgr}" path\EFI\ubuntu\grubx64.efi The element data type specified is not recognized, or does not apply to the specified entry. Run "bcdedit /?" for command line ...
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0answers
8 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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0answers
22 views

Grub2 not loading in dual boot Windows 8.1 and Ubuntu 14.04 LTS on HP 4540s

Iam using a HP 4540s Notebook with Windows 8.1 Uefi installed. I followed all the steps for Ubuntu 14.04 LTS instalation and i got it all working but to load my dear Ubuntu i have to press F9 to ...
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0answers
19 views

Dual boot question 2 drives (Raid 0, SSD).

I currently have windows set up on a raid 0 drive and Ubuntu installed on a different ssd drive. On the hard drive with Ubuntu I also have the windows boot manager. I've been trying to set up a dual ...
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0answers
19 views

Uninstall Ubuntu Without Breaking Windows 8.1 Pro Installation

I have a Dell Inspiron 17-3721 With Windows 8 Preinstalled, I upgraded to 8.1, then 8.1 Pro W/ MC, I later installed Ubuntu 14.04 as a second OS. I want to uninstall ubuntu to make more space for my ...
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0answers
19 views

How do I bypass Windows bootloader screen using grub? Also, how do I bypass chameleon bootloader of hackintosh using grub? [closed]

I have Windows 8.1, Windows 10 Insider Preview, Ubuntu 15.04 and hackintosh (OSX Yosemite) installed on their own partitions. I am using grub as default bootloader for booting. I can boot into any of ...
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0answers
30 views

DD doesn't seem to work in Ubuntu 15.04

I have used the dd command for a while to add my bootloader to a floppy image created with mkdosfs. mkdosfs -C disk_images/aquaos.flp 1440 dd status=noxfer conv=notrunc ...
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1answer
29 views

Restore Windows 8.1 bootloader after installing Ubuntu on a separate HDD

I have Windows 8 installed on a separate HDD and Ubuntu on a separate HDD as well. So I re-installed Ubuntu 14.14 because my previous installation was corrupted. Now when I boot my computer there is ...
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2answers
42 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 ...
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0answers
20 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
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2answers
95 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
15 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
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1answer
575 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, ...
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1answer
36 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 ...
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3answers
84 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 ...
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0answers
27 views

Time to boot is over a minute [duplicate]

My question is a bit different, my dell 3521 takes a whole of 1 to 1.5 minutes to boot after then it takes about 30 seconds to log in. How can I investigate the root cause and what measures can be ...
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0answers
22 views

I need help with setting up a triple-boot system using burg (windows, ubuntu, arch)

I currently have a dual-boot system with windows 8.1 and eOS freya (ubuntu based). I installed windows 8.1 first, and then installed eOS "alongside windows" during the eOS GUI installer, which had me ...
2
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1answer
49 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
21 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
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1answer
29 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 ...
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1answer
36 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?
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0answers
25 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 ...
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1answer
39 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 ...
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0answers
21 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 ...
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0answers
30 views

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

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
18 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
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2answers
52 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
72 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
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2answers
37 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
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1answer
47 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
88 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 ...
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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
35 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
32 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
62 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
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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
27 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
25 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
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0answers
175 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
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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
37 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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0answers
19 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
86 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
84 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
32 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
39 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
76 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 ...