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

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Is there any reason not to boot from the BIOS on a multi-OS system?

I've been having a hell of a time getting my bootloader to play nicely with the various OS installations I have on my computer. As it stands, Windows is the only culprit (accidentally installed it in ...
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2answers
402 views

Can't Get Rid of Mac/Linux Malware or Hardware Bug

My MacBook now has a permanent back door for some hacker that I can't seem to get rid of. I even tried booting from a Linux USB stick, wiping everything including the EFI partition, but every time I ...
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1answer
27 views

Arrow Keys not working, can't access other OS in bootloader

My Laptop down and right arrow Keys are not working, I checked by loading system setup that it's a hardware issue. Is there, if any, alternative to arrow keys so that I can select the other operating ...
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0answers
14 views

Is the Arduino bootloader stored on a ROM?

Wanted to know whether the Arduino bootloader is stored on some kind of ROM or whether its stored on some other form of storage.
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0answers
29 views

Bootloaders - Booting an MBR only OS using a UEFI only BIOS

A long time ago, in a computer lab far far away, I stumbled upon a bootloader which dared to cross the boundaries between MBR and EFI. It's name was Clover. Using clover, you could boot any number ...
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2answers
3k views

How to get rEFInd working with FileVault 2 on OSX 10.8

I installed rEFInd on my new Macbook Air which I planned on using to do a dual boot to Linux, but prior to installing Linux, I decided to encrypt my drive. I knew I was going to do this, so I had ...
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2answers
10k views

Windows 8: BFSVC Error: Could not open the BCD template store. Status = [c000000f]

I have installed a new hard disk drive on my Acer Aspire 771. I made a USB recovery stick as well as recovery cd of the Windows 8 64 bit running on the former HD (which got corrupted, so no cloning ...
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2answers
5k views

Ubuntu bootloader stuck at restoring resolver state after upgrading to 14.04

I upgraded after Ubuntu 13.10 to 14.04. However after the upgrade, the system restarted. But got stuck with a black screen displaying the message: Starting VMware services: [OK] Virtual machine ...
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0answers
27 views

Uninstalling/removing bootloaders on Windows 10

I have been messing around with various Linux distros over the last few months on my laptop since I first became interested in using it. Any distro I have installed, I have done so in a dual-boot ...
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0answers
44 views

How do I add boot-loader after Fedora 23 install on UEFI Dell laptop with Windows 10?

This error appears when installing Fedora 23 and Fedora 23 KDE/plasma: boot-loader failed to write, the system will not boot If I complete the install the system boots to a limited grub > ...
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2answers
1k views

How to repair boot in a dual boot setup with two Windows 7?

I installed a second Windows 7 installation on a separate hard drive on a computer that already had a Windows 7 installation. Initially all worked great - each time I restarted I received a boot menu ...
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4answers
74k views

How to set boot disk flag with diskpart

My Windows Server 2008 R2 won't start and stops with Stop 7B, so I start the recovery console and use diskpart to check the disk. There are to partitions one of Type 17 and one of type 07, the detail ...
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1answer
4k views

How do I remove Grub and restore the XP bootloader without access to XP setup/recovery media?

I have a Lenovo T430, with Windows XP (32-bit). I tried to remove Ubuntu from my HDD by deleting the partitions in Disk Management. Now, when I restart my computer, I get the following message: grub ...
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3answers
128 views

Create more than 4 primary partition on hard disk and install more than two OS

I want to install Windows 7, Windows 10, Ubuntu, and Fedora in a multi-boot configuration. When the boot loader starts up, I want to select any of these operating system and boot it. I believe I ...
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1answer
75 views

Have separate bootloaders for Windows and Linux on a single hard disk?

As of now, I have a single 500GB hard disk with Windows installed first on one partition and Ubuntu installed on another partition. Since Ubuntu was installed second, it detected the Windows partition ...
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1answer
20 views

Windows 8 removes grub2 as default bootloader

I have a dualboot setup where I keep Linux distros in separated partitions on one SSD, and my Windows drive on another. Recently, I had to wipe my Windows drive and reinstall Windows, which was great ...
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0answers
51 views

Windows 10 with UEFI bios - Bootloader damaged

I had Windows 7 Professional (64bit) installed on my old SSD (SSD Corsair Force Series 3). I switch than to another/new SSD (Samsung MZ-75E250B SSD 850 EVO; using the Samsung transfer utility), and ...
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1answer
33 views

UEFI mode not booting

I just installed windows with a GPT drive and when I go into BIOS and turn on UEFI mode and restart it just keeps booting straight into BIOS settings. Is there a way to fix this or am I doing ...
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0answers
23 views

Vista Recovery Partition ERROR Cannot open C:\RECOVERY.DAT

until my last installation of Windows Vista (from the Recovery Partition) and Ubuntu, I was able to boot the Windows Vista recovery partition from the GRUB menu, simply clicking on the corresponding ...
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1answer
41 views

What is the equivalent of Android's bootloader in Windows and/or Linux?

Is there an equivalent of Android's bootloader in Windows and/or Linux, what is it called?
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2answers
2k views

Boot from USB drive without consuming drive letter C:

Can't find the answer anywhere. I just want to reinstall Windows on a new HDD. However the computers CD/DVD drive is broken and I don't have access to an external CD reader. So I cloned the install ...
0
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1answer
29 views

Arch Linux dosen't go over bootloader after update

I have Archlinux with encrypted HDD and updated my system after 1-2 weeks. Then, after the update I wasn't able to boot again. The system is entering the bootloader, syslinux, and after that when I ...
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0answers
108 views

how to install Windows on NVMe disc and boot loader or other disc

I have a problem with NVMe disc. I need to run windows on Intel 750 NVMe disc, but my motherboard doesn't support NVMe boot. I have second sata drive. Is there any way to install windows on Intel ...
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0answers
10 views

Making bcd file, not sure where to go

I accidently messed up my bcd data when switching motherboards. I have uefi windows installed. I have tried the common bootrec /rebuildbcd to no avail (I get the error "the requested system device ...
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0answers
74 views

How to fix Windows 10 bootloader installed on different disk?

I have a computer with two hard drives - the first one running Ubuntu 15.04, the second one running Windows 8.1. GRUB is installed on the first one for dual-booting. Recently, I've bought a new disk ...
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2answers
93k views

How to fix Windows 10 boot loader from Windows

I installed Ubuntu on 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 Windows 10 MBR. Here ...
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2answers
46 views

Ubuntu installatiion on external usb hard disk doesn't load

I recently installed Ubuntu 14.04.3 on a usb external hard disk using this youtube video tutorial: Tutorial: Install Ubuntu 13.04 To An External Hard Drive I have windows 10 installed on the common ...
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1answer
7k views

Unable to access UEFI BIOS setup or boot into Windows after setting MBR with EasyBCD then resetting it

I can't exactly remember what the menu items were called (because I can't boot into my computer), but I'll try my best. Earlier I tried using EasyBCD with Windows 8 on a UEFI Lenovo IdeaPad Z580 ...
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0answers
14 views

Can't boot Debian after forced EFI installation

I just installed Debian with encrypted /. I made a /boot partition and converted an NTFS partition to EFI. It installed but now I can't boot on Linux. My motherboard boot list put a mirrored "N" sign ...
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1answer
71 views

Install bootloader for Windows 10 after Ubuntu installation

I installed Ubuntu on an external drive following a tutorial and the tutorial said that I had to install the bootloader into the external drive. After the installation finished I could boot to Ubuntu ...
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1answer
771 views

Grub loading, please wait. . . Error 22

Yesterday I got a problem which I posted here. Trying to solve it, I installed slitaz live CD to desktop. After that I tried to use boot other live CD's (Ubuntu, Tiny core) but they didn't boot. So I ...
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1answer
124 views

Unable to boot Windows 10 installer from an original usb thumb drive

I'm unable to boot Windows 10 installer from an original usb thumb drive (from Windows 10 Home FPP package we just bought) on our machine. On one hand, our machine is a bit old already: ...
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1answer
18 views

Dual Boot and Booting Issue

I NEED help desperately. Some time ago I dual booted my Satellite c55t-b5230 (windows 8.1 & Ubuntu 14.10). Everything worked awesome Grub menu was present for months until it disappeared. Due ...
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1answer
31 views

bcdedit is having big time delay

I want to read and set default entries in Windows Boot Manager from my app by bcdedit. But bcdedit is very slow. For response from bcdedit I must wait about 16 seconds. Why is bcdedit too slow or how ...
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2answers
58 views

Does a USB drive have head, track etc?

I wrote a bootloader and I need it to be written to a USB drive. Since I am on Windows, my bootloader must support file systems such as FAT32 and FAT16 etc. I have used BPB (BIOS Parameter Block) for ...
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10answers
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How can I repair the Windows 8 EFI Bootloader?

I installed Windows 7 and Windows 8 in EFI mode on a hard disk some days ago. Today, the bootloader got missing/corrupted. I currently have the Windows 8 installer on a flash drive and tried using ...
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0answers
19 views

Error converting custome bootloader .img file to .iso file

I am trying to convert a bootloader I wrote in Assembly Language to iso image file. The following is the code from MikeOS bootloader BITS 16 start: mov ax, 07C0h ; Set up 4K stack space after ...
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1answer
265 views

Multi-Boot: How to repair Windows 10 boot after Linux Mint upgrade?

I have an triple-booting iMac (Linux Mint, OSX, WINDOWS 10) with rEFInd installed. The following partitions listed using sudo gdisk -l in Linux Mint 17.3: Number Start (sector) End (sector) Size ...
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3answers
2k views

Bootloader problem - Windows XP and Windows 7, dropping Linux

I have a fairly new PC. When I first bought it, I set it to dual boot Windows XP and OpenSUSE Linux. When OpenSUSE died (strictly just X and/or KDE) for no clear reason, it was the final straw that ...
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2answers
6k views

Booting linux without bootloader

I installed Ubuntu-Server in Oracle Virtual Machine and it failed grub install step. At the end of install it gave me a message: You need to manually boot linux /vmlinuz kernel on partition /dev/sda1 ...
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0answers
22 views

Add boot entry to MBR for USB — Non Specific to OS - Use EasyBcd Ireboot to reboot to USB

So I am toying with installing Grub and editing Grub configs from Windows to get the same end goal, but it would be easier/better to use Microsoft products since I am not dual booting Linux. The end ...
0
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1answer
37 views

Places or books to start learning PXE booting [closed]

I am currently playing around with PXE booting and PXELINUX/SYSLINUX. I have tried LTSP , thinmachine, FOG project and some others. Currently I am trying to understand how PXELINUX is working under ...
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2answers
1k views

Restore Bootloader in Windows XP using ERD Commander

I need to restore a boot loader on my laptop. The problem is that Recovery utility from Windows XP install CD ask for Administrator password. I changed my Administrator password using ERD Commander. ...
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3answers
39k 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 ...
0
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1answer
32 views

android fastboot lists nothing(Debian)

hi im new to rooting and am having problems unlocking bootloader i have 2 sdks installed on system one for root which im using to root my device and on for my user for ADT bundle. when i type adb ...
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1answer
71 views

One boot menu for two OS on two separate hard drives

So here's the hypothetical situation. I have two Solid State Drives, both 250gb. I'm wanting to install windows 7/10 on one of these drives, as well as Linux Fedora Workstation on the other. Ideally, ...
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0answers
211 views

On windows 10 machine bootloader is on wrong drive

I have SSD with OS and HDD with files, but loading starts from HDD which i want to replace,but when i unplug it system wont boot(EFI console opens). I didnt do anything, installer did it ...
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7answers
28k views

Multiple Operating Systems or ISO's Bootloader for a USB Stick?

I have no idea how to do this. I have 7 iso's that I want to be able to easily boot from using a USB Stick and they are: Windows 7 Ultimate x86 Windows 7 Ultimate x64 Windows 8.1 x64 Hirens BootCD ...
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2answers
42 views

Installing Linux and windows on dual boot - specific problm

I already have Linux installed on my laptop, Kali Linux 2.0 (latest) to be specific. Due to some software requirements for programming I have to install windows 10 also on my laptop as dual boot. I ...
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4answers
47k views

How can I create a bootable DVD iso from a USB drive?

There seems to be a lot of questions / answers about doing the reverse, but not as much info for USB -> DVD. Problem I created a bootable USB drive using YUMI. The USB drive is working great, and ...