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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I have messed up my efi booy partition and now when i startup my computer it's only showing me ubuntu in boot menu and app menu is empty

I installed ubuntu on my whole hard drive. I mistakenly deleted the /dev/sda1 (efi/some place) which i didn't know will cause troubles. Now when i boot my pc it just show me a window (dos like) which ...
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1answer
18 views

How to set noapic and pnpbios=off parameters for boot

I have a weird laptop, that, long story short, must have these 2 parameters set for it to boot: pnpbios=off noapic How to I tell grub to utilize these every time it boots?
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1answer
28 views

No option to boot Ubuntu in GRUB

let me first say, I'm am recently learning ubuntu. I had it install and everything was fine. I was trying to find a file that udev should have generated but could not find it. I ,dumbly, uninstalled ...
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1answer
22 views

How to repare corrupt ubuntu12.04 without loss any data?

My ubuntu 12.04 system in not open it shows only black screen on booting time because accidentally i remove some file from media folder like sda1, but i am not sure that this is the main region to ...
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0answers
8 views

Ubuntu-device-flash hangs when expecting device to be in bootloader

I've been attempting to install Ubuntu Touch on my Nextbook Ares 8, and when ever I run the ubuntu-device-flash touch --channel=ubuntu-touch/stable/ubuntu --bootstrap command, It hangs here:
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26 views

iso image for i386 32 bit will not boot (16.04)

Multiple laptops with i7 intel cpu will not boot from DVD, it is not even listed as an option to boot from (both systems have previously booted from dvd)
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0answers
29 views

How do I add an ID to a menu entry to GRUB config?

I want to add an ID to any menu entry in the Grub config and then auto generate the configuration by changing /etc/default/grub file DEFAULT_GRUB = desired_linux_version I already did but grub ...
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0answers
13 views

Source code corresponding to u-boot and ubuntu for RPi 2

I wanted to get the source code corresponding to the following image of uboot/ ubuntu core snappy running on my Raspberry Pi 2. From the serial console, this is what I got - a) U-Boot 2015.07-dirty ...
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0answers
49 views

Ubuntu 16.04 bootloader failed install

I am trying to install ubuntu 16.04 on an hp pavilion dv7 1273 entertainment laptop. I can get through most of the installation up to the bootloader where the installer crashes. It gives me 3 options, ...
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0answers
12 views

System is not booted up after Ubuntu 14.04 Installation

I have installed Ubuntu 14.04 LTS through network controller on my Machine and installation is successful. After installation, the machine got rebooted then it never comes up. If i press ESC key on ...
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0answers
31 views

Grub not showing on boot. Windows 10 and ubuntu dual-boot not working

I am using HP Pavilion 15 Notebook. It came with a Windows 8 and then I have now installed windows 10 on it(not upgrade). I deleted all the partitions i had and installed windows. After that, I ...
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1answer
42 views

What is the UEFI boot flow for Ubuntu?

I've read https://help.ubuntu.com/community/UEFI but I'm still puzzled with the flow of boot process in UEFI mode for Ubuntu. I understand that the first step is UEFI firmware will load bootx64.efi ...
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0answers
51 views

Can not boot Ubuntu 16.04 from flash drive

I created Ubuntu bootloader on flash drive and when I start Ubuntu from it then I get only terminal with such a message: Erst: can not request [mem 0xbd2e903f - 0xbd2eb03e] for ERST No caching mode ...
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1answer
40 views

Boot Manager missing HELP! [closed]

Trying to try out ubuntu 16.04. I'm not trying to dual boot. I'm trying to install it on another hard drive. I have the iso file copied onto a DVD drive. When I go to boot from my dvd drive the grub ...
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0answers
107 views

Dualboot windows 10 and Ubuntu 16.04 the win don't load

I made dual boot Windows 10 and Ubuntu. After shutting down the computer and loading it again windows 10 don't start anymore it's stuck with dark window. I set the following command sudo update-grub ...
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0answers
22 views

Boot Manager missing

I am trying to do a fresh install of UBUNTU. I burned the CD plopped it in and went through POST. Then I was met with a message saying BOOT MGR missing. So I checked my burnt CD and the GRUB (which ...
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0answers
49 views

How did someone disable my Ubuntu bootloader?

I recently installed Ubuntu alongside Windows 10 on my Thinkpad. However, some idiot (who didn't know my password) accessed my computer while I was gone (after I hibernated it) and must have messed ...
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2answers
34 views

Someone accessed my computer and somehow disabled the Ubuntu bootloader. How can I get it back?

I recently installed Ubuntu alongside Windows 10 on my Thinkpad. However, some idiot (who didn't know my password) accessed my computer while I was gone and must have messed with something because ...
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0answers
55 views

Burg installing

I tried installing Burg to make my dual boot look better. So, I followed these instructions up to the part where it says: "BURG found! Do you want to configure BURG instead of grub2?, click Yes.". ...
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0answers
10 views

errno 5 input output errors please help [duplicate]

I am stuck at installing ubuntu for 6 days. Tried many copies of ubuntu 16 even ubuntu 14 but same error appears. System configuration is : Uefi , 4 gb ram, i5. i want dual boot ,solo ubuntu too ...
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0answers
47 views

How to replace GRUB with ELILO?

I was wondering if it is possible to replace GRUB with ELILO on a installed Ubuntu (and keeping a dual-boot with Win) without losing functionality or personal files?
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0answers
80 views

Windows7 - Ubuntu 14.04 dual boot setup

I have been using EasyBcd to create a dual boot menu for my Windows7 and Ubuntu 14.04 installation. I had it set up yesterday fine, but tried to go another route (which failed), so I tired reverting ...
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0answers
28 views

Boot Ubuntu from external drive.

I have been trying for a week to install (not live cd) linux Ubuntu on an external drive. Please help me, i've been searching the Internet for days. Before i ask my question, I am totally new to ...
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1answer
83 views

How to remove Ubuntu 15 and GRUB bootloader? [duplicate]

I want to uninstall Ubuntu from my laptop as well as GRUB bootloader. My laptop is currently dual-booting windows 10 and ubuntu.FYI I don't have any windows installation disk. Is there any way I can ...
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1answer
9 views

Only load ubuntu bootloader sometimes [duplicate]

I have a win10 and ubuntu 16.04 dual boot setup. However I mostly use win10 and only use ubuntu for certain tasks. Is there anyway to suppress the ubuntu bootloader when starting up and only bring ...
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0answers
13 views

HELP! Can't boot PC. Ubuntu Bootloader Help

Installed Ubuntu on a partition on my HDD and put the Bootloader on the SSD. Whenever the PC starts up I get "Minimal bash line editing is supported". Can't type anything. Eventually, got my PC to ...
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1answer
76 views

Install Ubuntu to usb drive and boot it to Uefi and Bios system.

So I'm totally new to linux. I don't want to install to my internal HDD. So I've been trying to install it independently on a usb so i can boot it on any pc (UEFI or BIOS). So i created a live usb ...
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0answers
29 views

Syslinux Installation Issues

I would like to install the Syslinux bootloader on my PC. For this purpose, I have created a bootable USB stick, installed Syslinux on it, and copied the vmlinuz from my "/" to my USB (My USB is ...
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1answer
33 views

GRUB Bootload Default

I installed SteamOS in a dual boot with Ubuntu 14.04 (I had Ubuntu before SteamOS) and my GRUB Boot loader switched over to the SteamOS version. I preferred the Ubuntu one because it was easier to ...
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0answers
21 views

Create bootable FAT-12 flp image

For a day I was attempting to create an .flp file, to which I can add a custom boot-sector from .bin file, and that has FAT-12 file system on it. But when I create a .flp file via mkdosfs, and them ...
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1answer
138 views

Grub2 Issues After 16.04 LTS Fresh Install

After two years of using 14.04 LTS I went to install it on my desktop, but wanted a newer ISO and was surprised to see the new 16.04 LTS sitting front and center a few days ago. So I said what the ...
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1answer
56 views

No Bootloader after clean install

I tried to install Ubuntu on a Surface Pro 3 and the installation worked without any errors. After trying to reboot there seems to be no bootloader (boots directly into uefi settings). Booting with ...
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16 views

Forced to re-install Ubuntu after Shut Down

I installed Ubuntu and after every time I shut down I have to reinstall it. Ubuntu's files are not deleted, rather every time I turn off and then turn on again my computer shows no boot device found ...
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1answer
22 views

if linux bootloader overwrites windows bootloader then how does it perform chainloading because there is no more a bootloader for windows now?

i cant undrestand if we install linux after windows and write grub bootloader over windows bootloader then how come it uses windows bootloader for chainloading because if windows bootloader is ...
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votes
1answer
31 views

GRUB menu doesnt show while booting [duplicate]

I had dual booted windows 8.1 and lubuntu. Recently i had refreshed windows 8.1 and since then i am unable to see Grub menu while i boot. However if i go to BIOS settings and then select the UBUNTU ...
0
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1answer
25 views

Grub2 doesn't recognize any new partitions?

I am trying to add a new partition to my drive. The drive contains files that grub can boot into (Live ISOs, or Windows Installers). My drive has 250 GB unallocated and has in the past.. Grub2 booted ...
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0answers
29 views

Problems booting Windows 10 over Ubuntu Mate 16.04 LTS

I had Windows 10 installed on my computer, but it started having some issues, and I decided to completely erase Windows and install Ubuntu. However, I want to revert back to Windows and set up a ...
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0answers
35 views

“Error building boot sequence. Check parameters” message on Grub Customizer

I'm a new Ubuntu user and I've been trying to boot from an ISO using Grub Customizer. I open Grub Customizer and try to add the Linux-ISO but when I choose the name and the Linux-ISO type, a message ...
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0answers
33 views

Multibooting different distros

As in this post (https://www.linux.com/answers/how-can-i-dual-boot-two-or-more-linux-distros) I would like to multiboot linux ! I am on a Dell Vostro 3550 laptop with 1tb HDD, I am not a complete noob ...
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1answer
25 views

Is this simplified flow chart of how the ubuntu fire up is correct ?

I am trying to understand the way that Ubuntu starts what is being runned or started. Can you please confirm if my simplified flow chart is correct ? First we power on a computer with linux ...
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1answer
60 views

Grub Rescue prompt appears after deleting Ubuntu partition. Can't boot Windows

I have an HP Pavilion dv 9543 cl. I decided that I wanted to update Win Vista to Win 8 several years ago, but did not know how to remove grub 2, so I naively decided to simply remove the Ubuntu ...
0
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1answer
21 views

UBUNTU14.04 could not be loaded due to GRUB Error [duplicate]

I installed UBUNTU14.04 in ACER Laptop after completing the installation the GRUB is not working, How can I install the GRUB separately?
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1answer
86 views

Unable to boot in ubuntu after install [Reboot and Select proper boot device]

I am using Samsung RV513 laptop. I recently installed Ubuntu 16.04 LTS and was working fine. Then I reinstalled Windows 7. After a few days, I reinstalled Ubuntu 16.04 LTS. Now whenever I start ...
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0answers
94 views

Unable to get to POST/BIOS settings after installing 16.04 LTS 64-bit Desktop

Just installed Ubuntu 16.04 LTS 64-bit Desktop on a Gigabyte GA-Z87X-UD3H motherboard with a Samsung 850 Pro SSD (MZ-7KE512BW). On install, I selected UEFI DVD (had disabled Secure Boot/Fast Boot and ...
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2answers
118 views

GPT (GUID Partition Table) detected on '/dev/sda'! The util fdisk doesn't support GPT. Use GNU Parted

I have a Ubuntu 14.04.02. As I updated it,there was booting problem on my laptop.After some try it started.How I don't know.So I started fixing my grub as it was also not working. So after seeing some ...
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1answer
75 views

GRUB boot loader(Ubuntu) not working after updating

I have a system with ubuntu-14.04.2-desktop-amd64 installed. It has stopped booting up after updating. As I power on it, screen glows for 1 sec and it shuts down. I have tried to open GRUB boot loader ...
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0answers
27 views

Ubuntu doesn't boot after installation [duplicate]

For unknown reason Ubuntu doesn't boot. I have tried the boot-recovery but nothing happened. Also I want to dual boot with windows Specs: Lenovo essential g505s Amd A8-5550M amd Radeon hd 8550G ...
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0answers
80 views

boot-repair after linux installation, without internet connection

I have a tablet dell venue pro 11 with Windows 8 pre-installed and I installed Ubuntu 16.04 LTS on dual boot. Before installing, I partitioned directly from the linux usb stick, I created three ...
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0answers
37 views

Dual Boot messed up, Windows 10 and Ubuntu 14.10

-- Noob Warning I had Windows 10 running and tried to install Ubuntu 14.10, took the custom partition route. Shrinked the Windows drive from 100GB to 80GB, gave 6GB to swap (RAM 4GB), and ...
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0answers
355 views

Unable to install Ubuntu 16.04. Bootloader not working

I have installed Ubuntu 16.04 without any other OS's on the drive using LIVE USB.. But OS is not working. I tried Bootrepair but no luck to fix it.. This is bootinfo http://paste2.org/Ca5aOyHa . can ...