Questions tagged [bootloader]

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

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Windows 8.1: No bootloader

I have a laptop with Windows 8.1 install on one SSD. For some reason that installation was using a Windows Bootloader previously installed on a second SSD together with Linux from an old installation. ...
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Windows 10 install on VHD in Windows 7 - Updating Bootloader Critical step

I have read a few procedures to do this and viewed a few videos. I'm in Win7 and have made the VHD, initialized it, formatted it, then copied the install.wim image of Win10 to the VHD using imagex. ...
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Is a bootloader device specific?

I was wondering if a bootloader was specific to the device you are booting on? For exemple if a usb bootloader to install windows is exactly the same as a cd bootloader to install windows or if it is ...
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How to uninstall grub?

I want to remove grub for another bootloader (i.e. OpenCore). I have some merits in doing so which I won't go into. So my question is how can I completely remove GRUB bootloader. I can just remove the ...
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Booting a custom Linux kernel from USB on Real Hardware?

I'm an absolute beginner to compiling Linux kernel. I followed this tutorial and I'm now left with a bzImage containing the Custom kernel and an initrd.img containing the root directory or at least ...
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Why do bootloaders get installed on different harddrives?

When I install an operating system to my system, I've learned to disconnect all drives other than my target drive because the bootloader tends to sort of just... land wherever the hell it wants. The ...
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Ubuntu reboot freeze

I have a Ubuntu 20.04 host. But when I tried to boot it, it said default.target not found. And I tried to enter rescue mode and emergency mode, both of them failed. Please help me. system [1]: Unit ...
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"The boot loader did not load an operating system" for windows 10 hyper-v VM

I created a vhdx file from the c: drive from a lenovo P1G3 a while back and thought I had a working VM from it, but apparently not. Now when I try to boot the VM I get the "The boot loader did ...
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Add EFI partition to bios menu after NVRAM reset

Everything was fine at the start, my SSD has 2 EFI partitions and I usually switch between OS using the f12 key keeping Linux as default. But, after I cleared NVRAM, the Windows boot manager is there ...
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How to direct Windows Setup where to install the bootloader files?

I want to setup multiple Windows installations on separate hard drives/SSDs. I have an internal SATA dock on my system as well as an internal on-board NVMe SSD, so I can insert and remove SATA drives ...
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Boot from USB drive on Chromebook Acer C721

I have set my Chromebook Acer C721 in developer mode, and permitted USB booting via sudo crossystem dev_boot_usb=1 dev_boot_legacy=1. Then, after the next reboot, at the developer mode warning, I type ...
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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 ...
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Can't use boot-repair tool to repair the bootloader of my ubuntu

I followed the tutorials on internet, which told me if I can't boot my ubuntu appropriately(coz I changed my motherboard, the boot-loader has been overwritten), I need to use a bootable usb and use ...
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Add Linux EFI (like grub) as Windows Boot Entry

I primarily use Windows OS for everything, but for coding, I want to use dual-booted Linux OS. If I keep using grub as the default bootloader, then the startup time for Windows is drastically affected,...
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GRUB2 how to shutdown computer if disk not found with search command

I'm using the GRUB2 to load Windows To Go with following grub.cfg menu entry: menuentry "MS Windows" --class cl-windows --id id-windows { search --fs-uuid --no-floppy --set=root XXXX-...
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How to remove GRUB and restore the Windows Bootloader?

I am on a Windows 10 / Ubuntu 20.04 dual boot machine. Recently, Windows has not been able to install updates (after rebooting, it says couldn't complete updates, reverting changes). Now I want to ...
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Windows 10 C: drive not listed as system drive

When I installed windows when upgrading my PC, I had the old windows SSD plugged in, which blue screens on boot due to mismatched motherboard files as far as i can tell. I then installed Windows to my ...
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Ubuntu overwrote Windows bootloader

Had Windows 10 installed on an old MacBook Air. Used GParted to prep partitions and Windows wrote it's bootloader to an EFI FAT32 partition. Booted ok. Tried installing Ubuntu Budge on separate ...
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How do I validate a boot partition in Linux?

I have a Linux machine with two SSD drives as its main drive. While installing Ubuntu 20 or CentOS 8, I partitioned the drives each with a 2g boot partition and the rest as a root partition, then used ...
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How to choose target disk for boot-loader during Windows 10/11 installation?

I had a Windows 10 and I decided to try Windows 11. My motherboard works in UEFI mode. I had 2 physical disks on my PC: disk 1: here is my current Windows 10 installed disk 2: a disk with an ...
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How to make boot menu always appear without pressing F11

How do I make boot menu appear without pressing f11 every time? I switch between operating systems like few times a day, which makes it annoying having to press it all the time. I have a MSI ...
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Where to mount efi partition?

I have an existing efi partition used for a windows installation. I want to install grub to it, for dual boot. The tutorials say to mount this efi-partition (in my case /dev/sdb1) to /mnt/boot. Now my ...
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About cross referencing System, Rescue, EFI & windows installation drive

recently I had a crash windows 10 20h2 update, there after my bootloader either shows bluescreen with 0xc0000001 error or keeps on loading the bootloader & ends with 'DRiver power state failure' ...
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How can I find the bootloader IP address of a router?

I'm trying to flash a router I have access to with OpenWrt, the router is not flashing with the OpenWrt bin file through it's webui. So I have to flash it with the TFTP method, for this I have to ...
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Trouble with USB drive and GRUB loader with ParrotOS

I have an older MacbookPro i believe an 08 model. I have installed ParrotOS Security on metal. I have now wanted to swap back to Kali but when I put the USB in it to install Kali, the grub bootloader ...
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How to remove Windows 10 dual bootloader but still be able to use the other non-default windows?

I have two windows 10s currently installed on my PC. Whenever my PC boots up, it shows that dual bootloader showing the two windows I installed. But I mainly boot into Windows(1, previously installed ...
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Loading Windows OS using Mainline U-Boot bootloader

How could I load Windows OS with a bootloader that is Mainline U-Boot? Is this possible? Do we have any documentation that will guide us on this approach? Thank you.
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Bootloader does not ask for power-on password after having (un)plugged the hard drive and CD player

Normal situation The computer in point is an oldish but perfectly working HP. The BIOS set-up utility is Aptio Set-Up Utility 2.10.1208. The bootloader has worked for ages with a power-on password and ...
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windows 10 boot manager and boot loader in different drive

After changing hard disks in my desktop I realized that boot manager and boot loader are on different drives as shown below: C:\Windows\system32>BCDEdit /v Windows Boot Manager --------------------...
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Linux as bootloader

I'm up to something special. I want to seperate my single Windows 10 installation in multiple operating systems, each one with a single purpose. That's because my Windows 10 is full with games, ...
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How can I verify a signed EFI file with a Coreboot payload?

I would like to embed a GPG key into a Coreboot payload and use it to verify an EFI bootloader before booting it. Which payload has this ability? Or by what other means can I verify the EFI bootloader ...
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How to disable the splash screen on single monitor,

my stack is: raspberrypi, uboot, buildroot and weston. I have two display devices connected to the board. First is the touchscreen for the user interface(HDMI-A-1), second is for the projector (HDMI-A-...
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Linux Command Line Argument not being accepted when booting up with OpenSBI and U-Boot

I am working with RISC-V Arch where I am building OpenSBI and U-Boot to boot my linux. I have given the bootargs as "console=hvc0,19200n8 root=/dev/mmcblk0p1 rw rootfs=ext4 noinitrd selinux=0&...
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U-Boot hangs while loading environments

I use u-boot bootloader on ARM (iMX6ul). I implemented some code for testing. After adding more and more code, the bootloader stopped starting. He got stuck loading the environments. For over a week I ...
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1 answer
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How do I debug a boot failure after transferring a physical machine to a virtual disk? INACCESSIBLE_BOOT_DEVICE (0x0000007B)

I have tried numerous fixes for a Windows 10 blue screen with error code INACCESSIBLE_BOOT_DEVICE (0x0000007B) after transferring a physical machine to a virtual disk using Disk2vhd. I am basically ...
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Installing Linux on HP T620 Thin Client

I got hold of some HP T620 Thin Clients and I planned to install something like Ubuntu, raspbian or Lubuntu on it, as this seems to work according to some forums. The client has 8 GB RAM, 16GB M.2 SSD....
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How can I repair my Windows 10 on a full-disk-encryption setup with VeraCrypt?

A recent optional Windows 10 update (2021-08 Cumulative Update for Windows 10 version 21H1 for x64-based systems (KB5005101)) destroyed my Windows installation on my fully encrypted disk (VeraCrypt). ...
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Cloning a linux installation to multiboot with the original

I installed arch linux on an empty drive partitioned as gpt on an UEFI board. My plan is to have three copies of this insatllation for the reasons that i'll furtherr detail. the partition table ...
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bcdedit - The boot configuration data store could not be opened

I would like to run a bcdedit command, but the following error ocurred : The boot configuration data store could not be opened. Also, since the same time, all windows updates does not install properly ...
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Firmware update: Shim does not seem to start fwupdx64.efi with Secure Boot enabled

I tried to do a firmware update on a ThinkPad L14 using fwupdmgr on Fedora 34. Everything seemed fine until the program told me to reboot, which I did, but Fedora was booted instead of the firmware ...
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If I use Windows bootloader (by easybcd) instead of grub in dual boot, will it be enough just to delete linux partition for completely removing linux?

I am using dual booting of Windows 10 and Kali linux. I have GRUB to switch between them. I know that only formating the Linux partition isn't enough to remove it. I need to remove GRUB too by using ...
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How can i make windows 10 boot loader load first then bitlocker

I create Windows 10 dual boot installation windows 10 (1) [ ENCRYPTED ] || windows 10 (2) I encrypted my C: Drive on my windows 10 (1) installation and when I restart my machine bitlocker want's me ...
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I deleted Windows' system boot partition using GParted

I have 2 drives. When I was switching from a HDD drive to an SSD drive a "boot menu" with 2 Windows systems (and one of them not working) popped up while booting Windows. Today I wanted to ...
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linux 2 grub bootloader installed -

i have both OS installed, Ubuntu 20.04 and the newest Kali version (wanted to try it out - now its just taking space ... lol) However, i have two grub bootloaders on my harddrive. Everything works ...
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Can't perform a Factory reset or reboot my Alienware R3 15" (Windows 10)

I have an Alienware R3 15" that I tried to factory reset directly without a USB-windows-image (at first), here are the steps that I followed : I had an Ubuntu partition (on dual boot) on this pc ...
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U-Boot only boots on some SD Cards

I'm encountering an issue where the RK3399 custom board I'm using won't boot (using U-Boot) from certain SD Cards. I'm currently working with two 16GB cards, a Gigastone one which functions and a ...
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Pr_debug() on eMMC driver in U-Boot

I am using an embedded device based on ARMv8 64. I use U-boot to boot the Linux kernel. Where shall these debug prints appear? I don’t have access to the kernel because it can’t boot due to error in ...
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Switch existing windows install in multiboot environment to independent?

I have two physical drives. The new drive I installed another copy of windows on but the old drive contains the bootloader. If I disconnect the old drive how can I make the new drive boot ...
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Does every storage device have MBR?

I have learnt that the BIOS collects the most diverse hardware data and create a complete list of all of the device’s available drives immediately after being powered on. When this process is complete,...
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Will a Windows 10 installation on a seperate drive cause it to overwrite GRUB?

I have an Ubuntu system (UEFI) and I want to run a Win 10 installation on a separate disk. My goal is to switch between operating systems by changing the boot order of disks from BIOS. However, I'm ...
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