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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Dual boot Win 10 & Kubuntu 20.04.3 - default bootloader stays Windows

I am trying to get GRUB to be the default bootloader at boot time. I have a Samsung 500 GB SSD and a Crucial m.2 500 GB drive. Windows 10 is on the Samsung SSD. I have installed Kubuntu on the m.2 ...
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Ubuntu booting problem ( Not booting)

I am using a Dell laptop, Inspiron 15 series (inspiron 15-3565) with Ubuntu 20.04 Today I suddenly removed my laptop battery when it was in use. After that, whenever I tried pressing power button it'...
Pronay Sarker's user avatar
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Ubuntu 20.04 Purple Boot Screen with "Ubuntu 20.04" and White and Orange dots

I powered on my computer when I was getting ready to use it, and as soon as I turn my monitor on, I had a loading purple screen that says "Ubuntu 20.04" and it has a White and Orange dots, ...
Nick Sedler's user avatar
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What is “Secure Boot chain-loading bootloader (Microsoft-signed binary)" and why is Ubuntu 20.04 trying to install it on my system?

It seems to be part of the shim-signed package. (Credit: @neikas) That package description says: "Its purpose is to allow a small, infrequently-changing binary to be signed by the UEFI CA, ...
DavidBooth's user avatar
5 votes
2 answers
2k views

How to remove "Secure Boot chain-loading bootloader (Microsoft-signed binary) "?

During Ubuntu 20.04 software update I was notified that "Secure Boot chain-loading bootloader (Microsoft-signed binary)" is about to be installed/updated. I don't want to allow any Microsoft ...
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How to solve you are in emergency mode issue with sda2?

I am new to Ubuntu. 18.04. I installed Kali Linux in virtual box. And when I rebooted my Ubuntu it shows like this: Then when I select Ubuntu: Then again loading screen will show up and then this ...
Ashique Razak's user avatar
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1 answer
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'Moving' ubuntu installation to HDD drive causes grub loading issues

I have a laptop setup with 256 SSD/ 1TB HDD. I had a working dual boot Windows 10 / Ubuntu 18.04 on the SSD drive, but now I want to remove the Ubuntu installation from the SSD and install it again on ...
Cally Mally's user avatar
1 vote
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Grub disappears after booting into Windows 10

Grub disappears and is replaced by the Windows bootloader after booting into Windows 10 (Windows 10 and Ubuntu 20.04 dual boot) I installed ubuntu 20.04 alongside windows 10 from the ubuntu ...
Lodergen's user avatar
1 vote
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570 views

Unable to update “Dell Inc. System Firmware”: missing signed bootloader for secure boot: /usr/libexec/Fwupd/efi/- Fwupdx64.efi.signed cannot be found

I have a Dell XPS 13 7390 BTX, running Ubuntu 20.04. I've noticed this error when updating my programs, specifically "Dell System Firmware 1.5.1 > 1.9.0". The closest to a solution I ...
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Is making a bootable hard disk without unetbooting possible? [duplicate]

I'm asking this because unetbootin not working. (i dont have a usb disc)
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"Gave up waiting for root file system; Alert! UUID= ... does not exist! Dropping to a shell." Previous Thread Solutions have not Worked

I am running on VMware Workstation with Ubuntu 18.04.5. Whenever I try to boot my own Linux 5.4.0 Kernel, which so far is just fork of the original repo, I get this Error Message. Here are some images ...
quezo's user avatar
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How to check if u-boot exists in a linux device

I am trying to remove u-boot on an embedded device to reduce boot time. The platform I am working on is jetson Nano B01 I have followed the instructions to flash without u-boot but I don't know how to ...
Shravya Boggarapu's user avatar
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Installing ubuntu on a parition with usb installation

i have a main windows drive which is full and a 2tb drive which i use for my high storage apps/games, I partitiond 600gb of my 2tb drive which i chose as the location to install ubuntu, on ubuntu ...
Joshua Richardson's user avatar
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can I use a custom boot logo? [duplicate]

Can I use **MY Logo instead of ubuntu logo **.My logo is in png format ... or Can I mka emy own boot splash? if yes then how can I do that and make my own boot splash Thanks In advance Keval Shah
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How many OS can be handle from GRUB Bootloader?

If you have sufficient number of partition in your hard drive or SSD, then how many OS can GRUB Bootloader run? If GRUB boots only two OS then which bootloader can be used for three or four OS?
thisisarpan's user avatar
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UBUNTU and WIN 10 dual boot and SSD HD

I have a pc dual booting UBUNTU and Win10. Now the system is a bit slow specially the windows. Many people advice me to add SSD HD. Is it possible to add it but keeping the UBUNTU un touched. If yes, ...
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2 votes
1 answer
2k views

Ubuntu Touch On Pixel 3a: Re-locking bootloader?

Recently installed Ubuntu Touch onto a brand new Pixel 3a; installation seems stable and no issues present. However on boot the phone reminds me the bootloader is unlocked still. Is it possible to re-...
Logan Drescher's user avatar
1 vote
1 answer
1k views

Changing boot drive after installing new SSD

To upgrade my desktop PC (a nine year old ACER Predator G3620 with six SATA ports, one SATA III, the other five SATA II) I decided to install an SSD to replace the original mechanical hard drive. ...
Richard Quint's user avatar
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1 answer
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Grub can't find windows bootloader

I'm struck in a terrible terrible situation. PLEASE help me out here !! Story I have an Acer Nitro(intel i5 8th gen cpu) dual booted with Windows 10 and ubuntu 20.04. I have 2 disk drives- one is ...
Aryan Sethi's user avatar
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How can I "isolate" GRUB from one distro to another on a multi-boot setup?

I have a triple boot setup with KDE Neon Unstable (we'll call this the primary since that's the one I use the most so far), Ubuntu MATE development release, & Windows 10 on a laptop (thanks to ...
YamiYukiSenpai's user avatar
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545 views

How boot EFI rather than from MBR

I was forced to reinstall Ubuntu, wiping out a lot of engineering programs and data because a Windows-10 update deleted and overwrote my Xubuntu partition. Computer was duel boot: Windows-10, XUbuntu ...
Nicholas Bourbaki's user avatar
2 votes
1 answer
4k views

Installing Windows 10 from Ubuntu

I have been using Ubuntu for over 1 year but now I want to change it with Windows 10. I created a bootable USB but when I went into the boot menu my USB didn't show even though legacy boot is enabled ...
MUHAMMAD AHMAD's user avatar
1 vote
1 answer
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GRUB: terminal instead of Grub menu list

I'm running into the problem, that my boot entries are not showing up in the grub bootloader and I have no clue why. I looked at similar questions like this one and tried their solution, which didn't ...
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sda2 contains a file system.with errors , check.forced

Every time i start ubuntu this message will appear and after few seconds another messages appear as shown in pictureenter image description here
Akash Tyagi's user avatar
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1 answer
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Grub Bootloader issue with Dual Boot/Dual Drive Install Windows 10/Ubuntu 20.10

So, I am trying to install Ubuntu alongside my Windows 10 Pro. However, I am sure that I am complication it by trying to install Ubuntu on a separate nvme ssd drive. So to elaborate, my Windows 10 ...
xenosaga01's user avatar
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Want to install ubuntu to external HDD and use on the PC where I have Windows 10 running (without disturbing original window 10 boot loader)

I have a windows 10 desktop. Would like to install ubuntu to an external HDD and use it on same above computer. I know the steps to do that. But with the steps I know, it modifies the bootloader so ...
Simon's user avatar
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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
2 votes
2 answers
1k views

GRUB bootloader overwritten

I have installed Linux Mint besides Lubuntu on my pc. Since then, my computer boots to Mint's custom GRUB, instead of Lubuntu's GRUB. Lubuntu still updates its bootloader every time apt installs a new ...
אברהם צבאן's user avatar
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2 answers
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The cleanest way to compile Ubuntu from scratch?

Intro: I heard Ubuntu is safe because it is open sourced, we can see what code is running on our machine. Although there is source code of the linux kernel and many open source modules, but how could ...
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How do I install LILO boot loader with Ubuntu and Windows dualboot?

I want to use the LILO boot loader so I can use EasyBCD to show a Ubuntu listing on the Windows Boot Manager screen, but I don't know how. Please make this as simple as possible, as I don't know much ...
SuperAviationFan117's user avatar
-1 votes
1 answer
74 views

How to install grub on a legacy pc?

When I tried to install my pc ubuntu it errored end of the installation(executing grub-install/dev/sda failed). After that I tried to repair boot and it says LegacyWindows detected. The boot of your ...
Kayra's user avatar
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weird - two Ubuntu drives in BIOS?

I have reinstalled Ubuntu on an USB SDD. I have Windows 10 on SDD with my motherboard. The Ubuntu GRUB menu won't show Windows 10. I have used os-prober. It says "ls: cannot open directory '/boot/...
Christian Bearsly Clark's user avatar
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1 answer
56 views

Dual boot multi-drive grub errors

I have 2 drives. One is NVME and one is a hard drive. Windows in on the NVME. I wanted to try Ubuntu so installed it on the HD (a couple of months ago). I got grub working just fine. The issue was the ...
shadybraden's user avatar
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1 answer
443 views

How to make grub actually start Windows 8 in a classic BIOS PC

Every time I install an Ubuntu operating system flavor it correctly recognizes the Windows 8 partition, however at boot (it's legacy BIOS), after I choose Windows 8 from the GRUB menu, the screen goes ...
Dan's user avatar
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1 answer
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Unable to login to Ubuntu in ASUS ROG Zephyrus

I installed Ubuntu 18.04 alongside windows in my ASUS Zephyrus ROG. The Grub is not showing up. I tried going to my BIOS and manually selected the Linux to boot up. It's still not working. I have ...
BHARATH SANTHANAM's user avatar
1 vote
1 answer
1k views

“Operation system not found” after fresh Ubuntu Server installation

I have just freshly installed Ubuntu Server 20.04.1 amd64 on my Laptop and did the most basic setup possible. Then when the installation was successful i was prompted to remove my installation medium (...
Michael Chen's user avatar
0 votes
1 answer
467 views

Ubuntu v20 does not detect systemd-boot as installed

[Running Ubuntu v20.04 in VMware VM) All of my systems run systemd-boot, with all related grub packages/files purged. When I ran today's update, there was a new kernel (v5.4.0-66). However, I canceled ...
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1 vote
1 answer
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BOOT Error on (Failed to open \EFI\BOOT\mmx64.efi - Not found)

I had my office laptop (acer singleboot)at my home which i upgraded (sudo apt update) after a long time. ununtu eduunbuntu image (bootscreen)18.04. Then after i restart it is not booting. Failed to ...
Hisham Ahmed M K P's user avatar
1 vote
3 answers
994 views

Windows installed Windows Boot Manager on Linux SSD. Linux doesn't boot blue Windows screen

I have 2 SSD: one had Kubuntu installed and the second one I tried to install Windows on. I didn't disconnect the Linux SSD before doing that and Windows installed its Boot Manager on the Linux SSD. ...
parsecer's user avatar
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0 votes
1 answer
186 views

Ubuntu dual-boot with windows 10 - unable to set grub as bootloader

I just installed Ubuntu alongside my windows 10. I cannot get it to boot, as in I cannot get grub to be the bootloader I have been trying to get ubuntu on to a partition on my windows machine and I am ...
Nicholas Brush's user avatar
5 votes
2 answers
13k 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
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 ...
Darsh Jain's user avatar
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 ...
Nelson Candela's user avatar
1 vote
0 answers
36 views

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 ...
c0nr3f's user avatar
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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.
Aman Agarwal's user avatar
0 votes
2 answers
7k views

Device for boot loader installation

Device for boot loader installation What should I select? I am new to linux and I don't know what to do
ABHILESH SINGH's user avatar
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 , ...
user1174353's user avatar
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1 answer
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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 ...
Marrth 64's user avatar
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112 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 ...
Baaz's user avatar
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1 vote
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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 ...
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