Questions tagged [bootloader]

A bootloader is a program that loads and launches a program or an operating system from boot.

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Veracrypt somehow really messed up the bootloader on my PC

So basically I wanted to install windows on a secondary physical drive in my PC so I could have a second bare metal OS for testing stuff. I have 1 M.2 SSD that has my main windows installation ...
0 votes
1 answer
4k views

Stuck on Windows Boot Manager Loop

I initiated a Repair using my windows 7 setup on a USB stick but after restarting I am stuck in this screen: Rebooting from USB would return to this screen instead of starting win setup. How do I fix ...
1 vote
5 answers
10k views

Grub doesn't show OS selection menu when booting a dual boot setup

I have installed windows and Linux(ubuntu) on the same machine. Now the problem is when I start my machine, It goes directly to Linux and does not ask me for the selection of OS either I want to load ...
0 votes
0 answers
13 views

Boot Windows 10 from RAID0

I had a Windows 10 machine with Auros Z390 Pro mainbard, SATA SSD system disk and RAID0 with two M2 disks and successfully installed seconds clean Windows 10 on the RAID. Now when I start my machine I ...
18 votes
1 answer
4k views

Why is my Windows drive appearing as encrypted in Linux (Ubuntu)?

Why is my Windows 11 installation drive shown as encrypted in Linux GUI when we want to simply mount the drive, when there are following points to note? BitLocker is disabled Data encryption is not ...
1 vote
1 answer
6k views

How to boot Ubuntu server (Dell PowerEdge R230) from USB flash drive and then install on a NVMe SSD?

tl;dr - How to boot an Ubuntu server installation from an USB flash drive? I am trying to boot an Ubuntu Server 18.04 installation on a server that doesn't allow booting from an NVMe drive. Since the ...
0 votes
0 answers
74 views

Is there software to boot BIOS-related ISOs on UEFI-only systems?

I've not enough reputation points to comment on this (outdated) question and it has no answers, I am aware of that one existing: Bootloaders - Booting an MBR only OS using a UEFI only BIOS After 8 ...
2 votes
2 answers
4k views

Mistakenly edited something while booting Windows. Now it doesn't boot

I have a Dell Inspiron 6400 dual boot with Windows 7 and Ubuntu 9.10.. I had just finished a session on Win7 which was extremely slow, and I decided to restart in safe mode to uninstall some ...
0 votes
0 answers
414 views

Fix Minimal BASH like line editing is supported GRUB Error

So i wanted to try linus mint.so i installed it my laptop..so i already had windows so i created a differnt partition on a different drive and installed it there.later i switch to windows and saw that ...
0 votes
1 answer
36 views

grub-mkconfig doesn't populate /etc/grub.d/10_linux menu entries (Void Linux)

I have been writing a script to install Void Linux (I need something more granular that void-installer). I am able to install grub without issue on UEFI but the BIOS install doesn't work. I do grub-...
2 votes
3 answers
18k views

Checking NVRAM on BootUp

I've recently encountered with my desktop the other day. the problems were like this Computer boots up. and Shows this Message F1 for Setup and Configuration F2 to load default values ...
0 votes
1 answer
4k views

Grub does not detect windows 10 efi boot files

I recently installed lubuntu on new partition, and in doing so, I formatted the efi partition to FAT32. Now I want to boot into Windows 10, but none of the usual recovery methods have worked for me - ...
0 votes
0 answers
69 views

What could be the cause of excessive idle times (2 minutes) during Windows 10 boot?

My PC boots for 2 minutes (from push of button, until at WinLogin) and I have no clue why. What have I already done: Disabled all non-Microsoft services in msconfig Booted Into Safe Mode (issue not ...
1 vote
1 answer
6k views

how to skip grub dual boot option menu entirely (without picking an OS to boot)

I'd like to skip the entire Grub 2 interface, where I have to decide booting Linux or Windows im running linux ubuntu lastest version (14.04.1 LTS) and windows 8.1 both 64 bit versions. I've installed ...
18 votes
5 answers
114k views

Can I fix error 0xc0000225 without reinstalling Windows?

I have a system which dual-boots Gentoo Linux and Windows 7 using GRUB2. The computer has four drives, and Windows is installed on the third (last) partition of drive #2. The drive layout looks like ...
1 vote
1 answer
4k views

Why won't the Windows installer set up an EFI partition or boot entry?

I've downloaded a Windows 10 ISO image from Download Windows 10 Disc Image (ISO File) and I'm trying to install it on a SATA SSD on my desktop. Here's my intended layout: /dev/sda (SSD) /dev/sda1: ...
0 votes
0 answers
597 views

Why Windows 10 Boot Manager can't load Windows Vista?

I had a Windows Vista/7 dual boot set up in UEFI, GPT mode (i.e using the EFI system partition to boot). The Windows Boot Manager would let me select between 7 and Vista, and both OS's worked fine. ...
22 votes
11 answers
167k views

Windows 10 fails to boot after HDD clone to SSD

I have been trying to migrate a laptop from a HDD to an SSD. I initially cloned the drive with the latest version of TODO Backup and then tried with Macrium Reflect. Both have the same problem. The ...
0 votes
0 answers
25 views

Python APP OS error: failure reading sector 0x10e6c8 from hd0

This is a Verifone Ruby2 POS. I have an Ubuntu boot flashdrive and another Ruby2 (main register). My question is can I repair/recover the hd0 (which is 2GB solid-state SATA Flash)? Or, copy Python App ...
1 vote
3 answers
1k views

Which program runs first? Is it Boot Loader or Boot Manager?

I have read many articles regarding Boot Loader and Boot Manager over the internet. From that knowledge, what I conclude is: Boot Manager is a program which basically decides what operating system is ...
0 votes
0 answers
34 views

Getting BlInitializeLibrary Failed 0x0000017 error while booting WinPE through bootmgfw.efi

I am trying to load a WinPE file from bootmgfw.efi after downloading bootmgfw.efi via TFTP. But once downloaded, I am getting a BlInitializeLibrary Failed error Why is that? And what could be the ...
1 vote
0 answers
22 views

Is possible update ventoy through Linux when it was installed from the beginning through Windows 10?

To load an .iso image through the boot process through a pendrive (or usb flash drive) is very useful Ventoy I want to know if is possible, and mostly safe, accomplish the following scenario Is ...
0 votes
0 answers
78 views

bootmgfw.efi not able to load further after being downloaded by network during PXE, but loads fine if loaded from disk

I am trying to load into winpe using bootmgfw.efi, it is being downlaoded by TFTP download looks fine, but after downloading, it is stuck at a blank screen and TFTP log says downloaded is the last ...
1 vote
2 answers
3k views

How to configure GRUB4DOS

I've integrated GRUB4DOS into my Windows 7 bootloader menu using EasyBCD. It works and I can chainload to my Linux GRUB at /dev/sda5 ((hd0,4)) but I have to do it manually every time. Grub4Dos just ...
0 votes
1 answer
95 views

What's the easiest path to make my extlinux-booted Ubuntu bootable via UEFI?

I have a single-partition Ubuntu system that's entirely contained in a ext2 filesystem, which is the active partition of its disk (MBR partition table). It's booted via extlinux, and, obviously, it's ...
1 vote
5 answers
4k views

How to unallocate a partition on a SD Card?

I have an SD Card. I use it on my Raspberry Pi 4. I flashed a bootloader and successfully rewrote the bootloader on the Pi. Then, I flashed Raspberry Pi OS on it and when it booted it was a Read-Only ...
0 votes
3 answers
13k views

Logitech MX Keys Wireless Keyboard not working on USB in BIOS and bootloader

I have purchased Logitech MX Keys keyboard, it works well both on Linux, Windows and Mac but there is one problem. I have a multiple operating systems installed on my computer and when I boot up my ...
1 vote
1 answer
4k views

Mac freezes during usb osx boot install

My brother-in-law gave me his old Mac Pro (the big gray tower, circe 2009) as a hand-me-down. It was working perfectly fine but he wiped the hard drive totally clean before I got it (he was intially ...
1 vote
1 answer
8k views

Add Linux EFI (like grub) as Windows boot entry

I primarily use Windows for everything, but for coding I want to use a dual booted Linux OS. If I keep using grub as the default bootloader, then the startup time for Windows is drastically affected. ...
49 votes
4 answers
574k views

How to fix the Windows 10 boot loader from Windows

I installed Ubuntu on a system that has Windows 10 installed. I can boot to Windows or Ubuntu normally using GRUB. I want to delete Ubuntu partition, but first I must restore the Windows 10 MBR. In ...
3 votes
1 answer
3k views

Windows 10 Update to 2004 failure - Error: 0x80004005 - 0x60016

I've been trying for the last week or so to get Windows 10 to update to 2004. I've tried all of the common solutions (sfc /scannow, DISM restore, media creation tool etc). After looking at the log ...
0 votes
1 answer
4k views

Cannot install Windows 10 from USB stick - issue with GRUB?

I have followed the instructions here and created a bootable Windows 10 USB stick, but when I try to run the installation the system keeps booting into the GRUB 2.0 bootloader. Unfortunately, I have ...
2 votes
1 answer
7k views

Error 0xc000007b when trying to start \EFI\ubuntu\shimx64.efi (Ubuntu) through Windows 8.1 Bootmanager on an UEFI System

Error 0xc000007b when trying to start \EFI\ubuntu\shimx64.efi (Ubuntu) through Windows 8.1 Bootmanager on an UEFI System EFI Entries During Ubuntu Setup, Ubuntu automatically created an EFI start ...
0 votes
0 answers
12 views

How does the SPK ID provide security in Xilinx secure boot

My understanding of the Xilinx ultra scale secure boot process is that the CSU validates the SPK with the PPK. If the SPK is authenticated, the CSU checks to see if the SPK ID that’s associated with ...
1 vote
1 answer
76 views

How to remove Ubuntu entry from EFI and/or reinstall OpenBSD boot loader?

I have a ThinkPad E15 gen 2 AMD laptop. It has the stock Toshiba NVMe SSD and an Intel Optane NVMe SSD. NVMe0 is a spare drive and NVMe1 is the OpenBSD drive. I had to do something with a disk ...
0 votes
1 answer
4k views

Windows boot manager with UEFI not loading

I had windows 10 preinstalled on my system with boot type UEFI mentioned in my lenovo ideal pad boot options. I dual booted with linux mint tara which worked fine with grub loader showing both the OS ...
22 votes
2 answers
9k views

Why don't PC makers lock the bootloader? [closed]

Mobile phone makers always lock their device's bootloader - that is, they prevent you from getting root access to your device, or uninstalling the default operating system and installing something ...
-1 votes
1 answer
66 views

Using grub and MS boot loader

Hi all so I have a question with regards to booting my os’. I use Linux (Ubuntu22.04) and Windows11 - ON TWO HARDRIVES/SSD’s. I have the boot setup such that msbootloader takes me into w11 by default ...
0 votes
1 answer
137 views

How can I have a "main" bootloader, on the first partition? (UEFI)

I tried dual booting Windows and Xubuntu using a different approach. (It worked, but it wasn't the best) Instead of doing what I belive most people do, which is replacing the Windows bootloader with ...
2 votes
2 answers
442 views

Can an SSD have a MBR and a bootloader?

I installed both Linux and Windows on my newly bought SSD (sda). When I installed Linux, I chose to install the bootloader on the SSD (sda). After I finished, I got only a black screen when I chose ...
0 votes
2 answers
43k views

Remove ASUS ROG UEFI boot branding from laptop

I was asked to purchase a laptop with a 17" screen for a customer who owns a restaurant, so I bought an ASUS ROG G750JM. It's a very capable laptop and has nice features and build quality. ...
0 votes
1 answer
271 views

After uninstalling Ubuntu, how to remove the "Ubuntu" entry from the Windows boot selection?

After uninstalling dual-boot ubuntu on my laptop, every time during start-up I get stuck on a screen like this: There is no entry for Ubuntu in the Boot tab of msconfig: How can I delete the Ubuntu ...
0 votes
1 answer
3k views

How do I install Windows Server 2012 R2 alongside Ubuntu 14.04 and Windows 7?

I need to install Windows Server 2012 R2, purely for educational reasons, on my laptop. I had tried to use Virtualbox but I cannot use hyper-v (which is essential for the course I am following) within ...
11 votes
7 answers
7k views

How do computers know which operating system to boot?

When I turn on my computer, what is the software that selects which operating system to boot, and how does it decide when given multiple options? More specifically, what if I have a computer with ...
8 votes
1 answer
17k views

How do the 'EFI system partition' and UEFI *.efi files relate?

I read that there needs to be an EFI system partition. The EFI System partition is a partition on a data storage device that is used by machines that adhere to the Extensible Firmware Interface....
0 votes
0 answers
110 views

How to update hardware device firmware using Bootloader?

I have a device which is flashed with the firmware. I have an app to interact with the hardware device through bluetooth. I want to update the firmware in the device using Bootloader through app where ...
0 votes
0 answers
242 views

Booting Batocera .img Using Grub

Objective : Run Batorcera from an .img created with dd from a working install on a USB. btc.img is a stored file on my computer and I would like to start up the OS using Grub. I have tried these two ...
0 votes
0 answers
222 views

windows 10 BCD issue [UPDATE 11/3/23]

Relevant specs: GPT format, ASUS Q503U (laptop 2016), UEFI, main drive is NTFS, boot drive partition is FAT32 First, the status of my hard drive seems okay-ish when I've checked the status of it ...
5 votes
5 answers
30k views

Grub rescue says all partitions have 'Filesystem is unknown'

I have simple Windows 10 and Ubuntu installation. My latest Windows update just messed with my GRUB boot loader somehow. Every other answer mentions to type a few set boot and set prefix However ...
0 votes
0 answers
62 views

Windows boot loader corrupt on encrypted Windows 10

Good evening. I am looking for assistance in decrypting a HDD encrypted with Drivecrypt Plus Pack (or DCPP). In preparation for formatting, I uninstalled Drivecrypt from Windows without first removing ...

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