Questions tagged [bootloader]

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.

Filter by
Sorted by
Tagged with
247 votes
13 answers
1.4m views

Uninstall GRUB and use Windows bootloader

I have Windows 8 pre-installed, and then I installed GRUB with Ubuntu. Ubuntu is not my thing, so now I want to remove it along with GRUB. From what I have learned, with UEFI, GRUB does not overwrite ...
mrolive's user avatar
  • 2,625
157 votes
3 answers
159k 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 ...
TevinYoungz's user avatar
  • 1,581
55 votes
3 answers
314k views

Where to install bootloader when installing Ubuntu as secondary OS?

I'm trying to install Ubuntu as secondary OS on my laptop. I have Windows 8 already installed on my laptop. Now, I know how to run Ubuntu from USB drive, I created addition partition and formatted it ...
HelpNeeder's user avatar
35 votes
3 answers
56k views

What exactly is GRUB?

Can anyone explain to me in fairly simple words and not too technical concepts what exactly GRUB is, what its primary usage is, and how to use it efficiently for a dual boot Windows/Ubuntu ...
Nikos Grigoriadis's user avatar
33 votes
7 answers
118k views

Where is the bootloader stored - in ROM, RAM, or elsewhere?

According to the wikipedia entry, a bootloader is a small program stored in ROM(a part of the main memory(RAM), isn't it??) which can only be read and not erased. I am a little puzzled here. Does this ...
xczzhh's user avatar
  • 2,185
32 votes
4 answers
260k views

Install on Second Hard Drive with startup boot option?

In theory, what I want to do is very simple, but I've done some google research and read some posts on this site and I'm still confused. I want to keep win7 on my primary C:\ drive, and install ...
Arammil's user avatar
  • 626
28 votes
5 answers
101k views

How do I find out which boot loader I have?

I know Grub is the one installed by default when installing Ubuntu but I am faced with an embedded system running 9.10 Desktop Edition. Following are the contents of lsb-release file ubuntu@ubuntu-...
binW's user avatar
  • 13k
27 votes
3 answers
29k views

In a dual boot system, how does the BIOS choose which bootloader to run?

I have a dual boot of Windows and Ubuntu. When I switch on the machine, the BIOS does POST and after that the bootloader starts. I want to understand how the BIOS chooses which bootloader to run. I ...
Prashant Singh's user avatar
27 votes
2 answers
63k views

Dual-Booting OS X or macOS with Linux without rEFInd

I think the title quite sums up the content of this post. I'd like to dual-boot a macbook pro 13' without having to use a third party boot loader. All the tutorials I've found use rEFIt o rEFInd to ...
user avatar
26 votes
8 answers
222k views

How to set Windows bootloader as default bootloader?

I have a Win 7/11.10 dual boot system with Grub 2 as the default bootloader. However, I want to make Windows bootloader the default bootloader (grub 'dos' like interface scrares the hell out of my ...
Mysterio's user avatar
  • 12k
26 votes
13 answers
117k views

Bootloader install failed

The situation where I am stuck: The issue is that I am trying to install Ubuntu 15.10 as my primary OS. I had windows 10 and tried to use both OS in dual boot but got stuck at some point. So my ...
user464758's user avatar
24 votes
2 answers
25k 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 ...
kos's user avatar
  • 36.1k
22 votes
2 answers
54k views

Pros and cons of installing Ubuntu alongside Windows Boot Manager

I'm trying to dual boot Ubuntu alongside Windows on my laptop. I already know how to install it. A tutorial that I watched recommended selecting the Something else option of the Installation type ...
user3818576's user avatar
20 votes
8 answers
28k 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 ...
Isaac's user avatar
  • 201
19 votes
6 answers
118k views

Where is the boot loader installed?

Where is the boot loader, such as Grub, installed generally? When I install 12.04 along side Windows on different partitions of my disk, I encountered a choice for "Device for boot loader ...
Tim's user avatar
  • 25.2k
18 votes
3 answers
5k views

Why doesn't BURG replace GRUB?

BURG looks a lot better and user friendly than GRUB, at the same time it get the job done. Why Ubuntu have not switched to it?
Benjamim Gois's user avatar
18 votes
2 answers
36k views

What is the difference between GRUB and SYSLINUX?

This question is related to my finding that Ubuntu and its derivative uses both SYSLINUX and GRUB bootloaders on ISO images for Desktop releases. When booting from 32-bit ISO image, it is said that ...
user avatar
16 votes
2 answers
15k views

Move bootloader or remove efi partition in second drive

I'm new here so I apologize in advance if my question is not formally correct. I have a dual boot system, on two different disks. Windows was pre-installed on the first drive (500 Gb), then I ...
holdtheline's user avatar
16 votes
6 answers
15k views

How do I change from dual-boot Windows/Ubuntu to single-boot Ubuntu?

I have an old Vista laptop that I partitioned and installed Ubuntu on, with dual-boot. I've now decided to switch entirely to Ubuntu. What's the best way to achieve this? My current partitions: +----...
stusmith's user avatar
  • 345
14 votes
2 answers
123k views

How to remove "Ubuntu" from Boot Menu after deleting Ubuntu partition in Windows 10 (Dual Boot)

I have recently installed dual-boot with Windows 10 and Ubuntu 16.04 LTS. After messing around with Ubuntu, I decided it was time for a clean re-install. I booted back into Windows 10 and deleted ...
Keith OYS's user avatar
  • 421
14 votes
3 answers
130k views

Fix Windows MBR using Ubuntu Live CD and ms-sys tool

I'm trying to fix the MBR using Ubuntu live CD. I already have the ms-sys installed but from the threads that I saw, I'm not completely sure in which /dev I should execute the command: sudo ms-sys --...
kova's user avatar
  • 141
14 votes
3 answers
11k views

How do I install BURG?

I found the source in launchpad for 11.04 and 10.10 but I don't know how to install or compile it.
JesusLives ii's user avatar
14 votes
2 answers
37k views

rEFInd Question: Remove multiple boot items?

Just installed Ubuntu on a separate drive (not partitioned with any other OS), as well as rEFInd, on my Mac Pro. I managed to get it all to start up properly and can boot to any of the locations from ...
whitecrow1's user avatar
14 votes
2 answers
40k views

DMAR firmware bug. Broken BIOS?

I am seeing below error message on my laptop screen upon loading Ubuntu but I am able to login without problem. What do you think could be wrong? DMAR: [Firmware Bug]: No firmware reserved region can ...
Andrew Harlan's user avatar
13 votes
3 answers
107k views

How do I manually boot from the grub prompt after do-release-upgrade?

I read a couple of other questions on this topic and they both pointed to the Grub2 community documentation and installing grub configs from an install disk. I had some trouble with the documentation,...
cmhobbs's user avatar
  • 453
13 votes
1 answer
47k views

Which partition to select as device for boot loader in an EFI mode install? [duplicate]

I'm trying to install Ubuntu 13.04 alongside Windows 8 (to dual boot) on my new laptop. Since there is already an EFI partition on the disk, I didn't create another one (as suggested in: https://...
sbas's user avatar
  • 131
13 votes
2 answers
9k views

How to prevent Ubuntu from overwriting grub bootloader after update?

Is there any way I can stop Ubuntu from overwriting bootloader? It happens after updating (I suppose) system's kernel. I want to stay with my other linux distro bootloader without having to change ...
banuy's user avatar
  • 231
12 votes
1 answer
23k views

Where to install grub?

So, My partition table looks like: /dev/sda /dev/sda1 16708MB (Windows Recovery Environment (loader)) /dev/sda2 367MB (Windows 7 (Loader)) /dev/sda3 368203MB (Windows 7 Files) /dev/sda5 ...
Hailwood's user avatar
  • 4,957
12 votes
1 answer
283k views

How to manually install boot loader?

My attempt to upgrade to 12.04 failed, so I burnt a 12.04 CD, and asked to do a full install, getting rid of all previous OS (I had Windows as well as 11.10). All seemed well until the very end when ...
Stuart's user avatar
  • 121
12 votes
2 answers
30k views

Graphical GRUB Menu

As you know, when dual booting on OSX you get a nice looking boot menu, something like: (source: askdavetaylor.com) I was curious as to whether there is a way to replace the textual interface of GRUB ...
Aristides's user avatar
  • 437
9 votes
4 answers
3k views

Cleanly uninstall ubuntu from Nexus 7

If I install Ubuntu on the Nexus 7 (following the instructions at https://wiki.ubuntu.com/Nexus7/Installation), and later uninstall it, will the device be in the original state, or will there be ...
jdm's user avatar
  • 2,327
9 votes
1 answer
9k views

Chainload from windows boot manager to Grub with Secure Boot enabled

I have a UEFI laptop with Bitlocker on the Windows partition. This forces the primary bootloader to be Windows Boot Manager with Secure Boot enabled in order for Bitlocker to work properly on Windows. ...
ejgallego's user avatar
  • 191
9 votes
1 answer
1k views

Slow boot on Ubuntu 16.04 with Samsung 850 Pro

Update 9 I decided to try an experiment. I removed the SSD from my desktop, and temporarily put it into my Dell Latitude laptop. Lo and behold, it loaded the initrd on an order of magnitude faster, ...
You'reAGitForNotUsingGit's user avatar
9 votes
0 answers
3k views

Bootloader that leaves UEFI logo on screen

Is there a bootloader or a setting for Grub that does not clear the (entire) screen, leaving the UEFI logo (motherboard logo) in place - just like Windows 10 shows the progress circles below whatever ...
Radu Balaban's user avatar
8 votes
2 answers
12k views

How Shim verifies binaries in secure boot?

UEFI shim loader shim is a trivial EFI application that, when run, attempts to open and execute another application. It will initially attempt to do this via the standard EFI LoadImage() and ...
direprobs's user avatar
  • 285
8 votes
1 answer
20k views

What is the current best way to dual boot a Mac with Ubuntu on the latest 10.12 macOS?

I spend the last 3 nights searching every corner of the web for a straightforward guide how to dualboot the latest macOS 10.12 Sierra with Ubuntu, but it seems like there is just so many ways people ...
tmaier's user avatar
  • 83
8 votes
2 answers
59k views

Can I Install grub on an USB and make it a rescue disk?

Can I Install grub on an USB and make it a rescue disk? Question: Is it safe to run the following commands? sudo grub-install /dev/sdb (where sdb is my USB drive) update-grub2 Question: Would I ...
Salvador's user avatar
  • 473
8 votes
2 answers
2k views

Is burg compatible with 11.04?

Has anybody tested burg on natty? Is it safe?
avi's user avatar
  • 1,551
8 votes
3 answers
423 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 ...
user2739716's user avatar
8 votes
0 answers
6k views

Boot Ubuntu from external drive [duplicate]

I have been trying for a week to install (not live cd) Ubuntu on an external drive. I am totally new to Linux and would love to try it out. That's why I want to install it on an external drive and ...
Steve B's user avatar
  • 81
7 votes
3 answers
2k views

Put old SSD with Win10 Installed into laptop with Linux and boot Windows?

I have an old laptop with Win10 installed in it from factory. I have a new laptop with Ubuntu 21.04 installed from factory (with systemd-boot bootloader installed in UEFI mode). Can I put the SSD from ...
LinuxNinja's user avatar
7 votes
5 answers
15k views

On which partition is my bootloader installed?

How can I check on which partition Ubuntu installed my bootloader from within Ubuntu?
user avatar
7 votes
2 answers
3k views

How can I prevent grub updates from resetting my EFI bootorder

I'm using Clover as my first and default bootloader. If Ubuntu is selected there, then Grub is activated (AFAIK there is no way to skip this step, I don't really use Grub at all, so I might as well ...
Daniel Schreij's user avatar
7 votes
4 answers
5k views

How can I customize my bootloader to make it prettier?

I hate how when I turn on the computer it just (after the hp logo, which I hate having also), shows white text on a black background. I'm wondering if there's easy ways to customize this (I'm choosing ...
Matthew's user avatar
  • 171
7 votes
5 answers
8k views

How to uninstall Ubuntu from dual boot and change the bootloader? [duplicate]

I have a Windows 7/Ubuntu 11.10 dual-boot setup, where I am running the OSes on separate partitions on my laptop's HDD. I assume the best method of uninstalling is "simply" a matter of ...
MartinDK's user avatar
  • 103
6 votes
3 answers
44k views

Restore Windows bootloader

I installed Ubuntu on my laptop and something happened and my Windows 7 bootloader is missing. I can boot only Ubuntu. So, I tried to do something like suggested here How to restore Windows 7 loader ...
user2950593's user avatar
6 votes
2 answers
14k views

Select device boot installation for installing Ubuntu dual boot with Windows 10

I'm currently using UEFI for my Windows 10. I am confused as to which bootloader device I should use. Here is my installation partitioning screen.
Nguyễn Tuấn's user avatar
6 votes
2 answers
14k views

Grub2 detecting two Windows 7 (loader) entries

This is the first question I have ever asked the Ubuntu Community. I'm fairly new to Ubuntu, but I understand the basics and know how to navigate the Terminal. I also know how to search the existing ...
jwarner112's user avatar
6 votes
3 answers
8k views

How can I disable the purple bootloader splash at boot?

This question has been answered before, but neither of the methods in the accepted answer worked for me on 11.10. First I tried editing in /etc/default/grub, and then running sudo update-grub. But ...
wim's user avatar
  • 12.7k
6 votes
1 answer
641 views

Is it safe to switch my bootloader to BURG?

I have Ubuntu 11.04 and Windows on a single hard disk. After reading it became clear that there are some options to have the bootloader changed into a screen with just the Ubuntu and Windows icon. ...
Nuub's user avatar
  • 61

1
2 3 4 5
23