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.

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Install Ubuntu including the bootloader on second drive

I know this question was often asked before and I have tried all the steps from the answers, but when I want to install Ubuntu (I tried 20.10 LTS and 18.04 LTS) on my system, which runs windows on the ...
2 votes
0 answers
66 views

Ubuntu boot taking up a lot of time

I use dual boot on my pc- Windows 10 + Ubuntu 20.04. Windows is on SSD and boots up very fast but Ubuntu on HDD boots up slow This is how system-analyse blame looks. Please help me improve it. My ...
2 votes
1 answer
250 views

Disable GRUB setting itself to the first boot option on updates

I use rEFInd as my bootloader, but I have ubuntu's kernel inside an lvm logic volume, so I use GRUB to call it from refind and boot ubuntu. But every time I update GRUB (via apt or update-grub) it ...
0 votes
0 answers
201 views

No efi system partition found error on a system using MBR drive and Legacy BIOS

I am very confused why ubuntu is asking for an efi partition. I just created a physical partition with / as the directory. I am trying to dual boot alongside windows.
0 votes
1 answer
394 views

Freshly installed system boots slow - unable to understand kernel messages [closed]

When my Ubuntu 10.04 PC stopped booting from one day to the next, I assumed that it is a boot loader problem. I managed to boot from a 11.10 live cd and installed a fresh 11.10 next to the old ...
1 vote
2 answers
2k views

I can’t start pc after I dual booted ubuntu and deleted the ubuntu partition [duplicate]

I dual booted ubuntu on my windows operating pc, then i deleted the ubuntu partition and restarted my pc. GRUB came up and it says ”minimal BASH-like line editing is supported. For the first word , ...
0 votes
1 answer
33 views

Switched greeting on Ubuntu System; now doesn't Work

Yesterday, I switched my available greeting, on my Ubuntu System, from lightdm-webkit2-greeter to slick-greeter and after I rebooted my system, the boot sequence is stuck on the loading bootup screen ...
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 ...
0 votes
0 answers
111 views

lost bootloader

I had 2 OSs, Windows 10 and Ubuntu 20.04. They were working fine, but then I installed Arch Linux and it only shows Arch in grub. I think I may have deleted my bootloader. Things that I tried, but ...
1 vote
0 answers
197 views

causes for input/output error during write on /dev/nvme0n1 on new installation of Ubuntu

Few months ago I couldn't boot ubuntu properly. I was stuck in GRUB and couln't find any file system. Booting windows didn't work either and all superblocks were bad. My last attempt was trying to ...
26 votes
13 answers
116k 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 ...
2 votes
1 answer
731 views

How can I get rid of old Debian entries in my bootloader?

I had tried in vain to install Debian (which didn't work) and after that I have installed Ubuntu with LVM. Now I still have the boot entry for both OS (F7 key on startup). Both OSes were installed by ...
0 votes
1 answer
243 views

Ubuntu partition not found [duplicate]

Before the last shutdown of Ubuntu 20.04 my storage space of disk was very low, then after starting my laptop this error occurs. Error: no partition found Cannot read or write outside partition When ...
1 vote
0 answers
53 views

Boot Loader is not working, OS is not loading

I have Windows 7 on Lenovo G580. I tried to install the latest version of Ubuntu but the installation failed while creating the BOOT Order. After that neither Windows7 nor Ubuntu is able to boot. Many ...
0 votes
1 answer
419 views

System freezes while installing Ubuntu(dual boot)

I installed Ubuntu 20.04, the installation went pretty well but when rebooted after removing the USB it froze at the booting phase. Then I removed Ubuntu by deleting the partition from windows and ...
0 votes
2 answers
2k views

My system it's slow and keep freezing

Issue Slow System When I log into the system it takes quite some time to "get ready" for use. When I open applications like File System takes a long time to open them. Frozen Screen(s) In ...
0 votes
2 answers
4k views

"Dual boot" help with external SSD and no change to internal Windows SSD boot manager

I have a laptop running Windows (with BitLocker) that I use for work. I'd like to have the option to boot into Ubuntu using an external SSD (connected via USB) without touching anything in my existing ...
1 vote
1 answer
569 views

problem with ubuntu booting

I guess I ran some command trying to install something. After that, when I tried to restart my PC, it showed error while reading block run fsck manually which I did. After that, it was stuck in ...
0 votes
1 answer
1k views

Delete Ubuntu with separate efi

I first had Windows 10 installed with EFI partition, I later installed Ubuntu and created a separate EFI partition for its bootloader. Now I want to delete Ubuntu. Can I directly delete the EFI ...
0 votes
2 answers
2k views

Is Ubuntu Desktop still using mbr and not gpt?

i tried test install of Ubuntu Desktop 20.04 LTS. Whatever i do (default, lvm, ZFS, by hand) its installing mbr partitions. Disks is showing Partitioning Master Boot Record Is that true? How to select ...
0 votes
1 answer
251 views

Annoying beep tone after Ubuntu 20.04 install on Macbook 5,1

I'm using an older macbook (5,1), to solely run Linux. Everything is up and running, but on each startup I get a long monotone beep during a black screen. Then it proceeds to its grey screen after a ...
55 votes
3 answers
313k 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 ...
0 votes
1 answer
346 views

Ubuntu 20.10 crash on USB boot

I has created a USB boot from Ubuntu 20.10 image and on load it crashes. The mouse's pointer has freeze and Ctrl+Alt+F1 doesn't work. I just changed the USB image but didn't work. I came back to ...
1 vote
1 answer
2k views

Boot-repair gives ESP partition error

Recently the GRUB boot loader disappeared on my Lenovo Thinkpad X1 Carbon. I normally dual boot Windows 10 and Ubuntu, but now it goes directly to Windows. I attempted to fix it by restarting into a ...
3 votes
1 answer
597 views

Raspberry Pi 4 updated bootloader

A new beta boot loader (will be out of the beta pretty soon) has been released for the raspberry pi 4 which supports USB boot natively, without the need of an SD card. Are there any plans for ...
1 vote
2 answers
985 views

Linux in dual boot with windows 10

recently I tried to install xubuntu in dual boot with windows 10 and I failed. Although I followed the youtube tutorials (didn't select the whole hdd at the 'Device for bootloader installation'; I ...
1 vote
0 answers
158 views

How can I configure RAID1 for /boot and OS installation, desktop 20.04.1?

Can someone please help? I have a newly installed Ubuntu Desktop 20.04.1 installation on a laptop having dual internal disks. I freshly installed the OS following instructions to create an (almost) ...
0 votes
2 answers
558 views

Disabling Grub Bootloader on Ubuntu Installation

I have a Mac Pro 5,1 that I wish to install Ubuntu on. However, when I last installed it, it automatically installed the GRUB bootloader. And my main OS being macOS 10.13.6 running on an NVMe in a ...
0 votes
0 answers
115 views

Correctly installing multiple OS versions on 2 drives

I have a tough question. I need to i install multiple linux versions and windows together on 2 drives without messing the bootloader. Potentially important Hardware: CPU ryzen 3600 MB Asrock B450 UEFI ...
-1 votes
1 answer
56 views

no bootloader appears to be present at all. thanks grub

so i am on a compaq presario cq57. i installed ubuntu 14.04.3 and after fighting with it a couple days it finally installed. First it wouldn't, said something about grub 2 and a fatal error, so i ...
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 ...
0 votes
3 answers
16k views

How to access efi boot partition as read-write?

I have installed Ubuntu 13.04 alongside windows 8 (efi mode) and now I want to go to a read-write access of the efi boot partition. For secure boot to work, I installed the Linux Foundation's ...
1 vote
0 answers
79 views

Linux booting process

I have some questions regarding the boot process in Linux. So far, I have understood that the BIOS loads the bootstrap code (stage 1 GRUB bootloader) from the boot sector (MBR) to the ram and executes ...
4 votes
0 answers
927 views

How to add bitlocker encrypted Windows 10 to grub bootloader?

Ubuntu 18.04 is installed on /dev/sdb2, grub bootloader on /dev/sdb1 and Windows 10 on a separate SSD /dev/sdc1. I tried update-grub and os-prober but grub would not find it. How can I add bitlocker ...
0 votes
1 answer
209 views

Booting from USB stick with Ubuntu 20.04 not possible

I have bought an Acer Aspire desktop with Windows 10. I want to install Ubuntu 20.04 alongside Windows 10 and establish a dual boot on a external SSD with USB connection. Then I made a USB stick ...
0 votes
0 answers
542 views

How to configure a GRUB boot entry to boot encrypted Ubuntu 18.04 partition?

I have multiple hard drives and multiple partitions on each hard drive. On my second hard drive I installed only Ubuntu 20.04 with full disk encryption. During the installation of Another OS I ...
0 votes
0 answers
778 views

Stuck in Grub while trying to replace Pop OS with Lubuntu

So I installed Pop OS on an old mac book air. Then I decided to wipe it off and install Lubuntu. However I could never find the bootable USB with the lubuntu iso in my boot menu. I know that pop os ...
0 votes
2 answers
192 views

Factory Reset Dual Boot System

Dell Laptop / EUFI Bios / Dual-Boot / Orig OS Win8 Updated to Win 10 / Ubuntu 18.04.5 LTS - Using a partion tool I allocated space from the Windows data drive to install Ubuntu and let the default ...
1 vote
1 answer
1k views

Mac OS X Windows and Ubuntu On Mac Book Pro Mid 2015

I have a Mac Book Pro mid 2015 and I was using it with Windows 10 installed with Bootcamp. I have tried to install Ubuntu 16.04. I have resized my Mac partition to open space for Ubuntu and instaled ...
0 votes
1 answer
1k views

EFI Boot loader - grubx64.efi - PXE provisioning - Foreman

If anyone could help me on this, I spent quite a lot of time trying to deploy Ubuntu servers (EFI) with Foreman but there is an issue with grubx64.efi. Foreman support told me that I should ask Debian/...
1 vote
1 answer
78 views

When I start the pc GNU grub bootloader page loads

I installed Ubuntu on a pendrive and now every time I on my PC (even if the pendrive isn't connected) grub bootloader page loads instead of windows. If I have to on windows I have to press F12 ...
0 votes
1 answer
280 views

Change grub bootloader for another distro's bootloader

I have a dual boot set up, with Arch and Ubuntu. Arch was my first OS, so over there I have refind, a bootloader for UEFI systems that I prefer aesthetically to grub. When I installed Ubuntu, each ...
0 votes
0 answers
208 views

Boot Ubuntu from USB (complete installation, not Live CD)

My goal was to have a Linux Ubuntu on a USB (not live CD but a full installation) so that whenever i want, instead of booting Windows, i can just insert the USB and my computer will just boot this ...
0 votes
1 answer
197 views

Device lookup failed cryptswap1. Can't boot after upgrade from 16.04 to 18.04

After i upgraded from Ubuntu 16.04 yo Ubuntu 18.04 i'm getting an error: After running the command suggested below the error message this appears It says: "Failed to activate with key file '/...
0 votes
0 answers
284 views

How can I change grub bootloader while installing Ubuntu?

I have installed Debian 10 on my device which is loaded by grub boot loader, now I want to install Ubuntu minimal on my device, but when I want to boot my mini.iso, its installation won't load and I'...
1 vote
0 answers
56 views

Dual boot issue with Windows 2012 r2 and Ubuntu 20.04

I am in trouble while loading my Ubuntu. Actually in my laptop there is already Windows 2012 r2 installed. Now I installed Ubuntu 20.04 alongside Windows with the help of some guide on internet, but ...
2 votes
1 answer
6k views

Ubuntu Not Showing Under BIOS Boot

I'm trying to dualboot Windows 10 and Ubuntu 20.04. Here's what I did: Shrunk over a 100GB using the Disk Management utility in Windows. After booting Ubuntu from a USB, selected "something ...
0 votes
0 answers
135 views

Trying to install Ubuntu Studio via USB, I only see the GRUB menu?

For some reason, and this happened when I tried to install Kubuntu as well, when booting from the Ubuntu ISO I only see the GRUB menu. I have no option to install or to go to the live boot from USB. ...
0 votes
0 answers
303 views

Where should I install the bootloader (dual boot with Windows 10) on a laptop with 2 hard drives (SDD + HDD)

I have a Lenovo Legion Y530 with two hard drives: one is 100GB SDD and the other 1TB HDD. I wanted to dual boot Ubuntu 20.04 with Windows 10 2004, so I shrank 75GB of my 1TB HDD and I began installing ...
2 votes
3 answers
8k views

boot options disappear after installing windows in UEFI mode?

I have ubuntu 19.10 on my system with the Legacy boot. I installed Windows 10 in UEFI mode and now boot options are missing at the startup. I tried the following approaches to fix the bootloader so ...

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