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

learn more… | top users | synonyms

0
votes
1answer
24 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 ...
0
votes
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.
0
votes
0answers
27 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 ...
-2
votes
0answers
25 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 ...
0
votes
0answers
34 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 > ...
0
votes
3answers
121 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 ...
1
vote
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 ...
0
votes
0answers
49 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 ...
1
vote
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?
0
votes
0answers
21 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 ...
-1
votes
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 ...
0
votes
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 ...
0
votes
0answers
68 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 ...
0
votes
1answer
28 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 ...
0
votes
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 ...
1
vote
2answers
45 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 ...
1
vote
1answer
66 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 ...
1
vote
1answer
17 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 ...
0
votes
1answer
114 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: ...
0
votes
1answer
30 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 ...
1
vote
2answers
57 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 ...
0
votes
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 ...
1
vote
1answer
248 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 ...
2
votes
1answer
71 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 ...
0
votes
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
votes
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 ...
0
votes
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 ...
1
vote
1answer
66 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, ...
0
votes
0answers
202 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 ...
-2
votes
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 ...
0
votes
0answers
182 views

Can't access windows 10 when BIOS is in legacy mode

I was trying to add Ubuntu to the boot loader by using EasyBCD but realised I could only add an entry if I set legacy mode on in my BIOS. But when I rebooted I couldn't boot to windows 10. Helpful ...
0
votes
2answers
103 views

Can't boot windows from a clone of my working harddrive

My goal: Clone everything on C: to my SSD drive f:, then use the old "c:" for data. Some threads say I need GPT (on one? both?) I think it's already set to F: bedcause the convert button is gray in ...
0
votes
1answer
2k views

Repair Windows 10 boot loader

I am having trouble repairing my Windows 10 boot loader. I have tried booting into the Windows 10 installer usb and doing the Repair Start Up there. I have tried the solution suggested here: How to ...
1
vote
1answer
38 views

Arch-Win7 dual boot laptop freezes, and then is unable to boot

I have a Dell Precision laptop, with a Arch-Windows 7 dual boot, 64bits systems, GRUB2 as boot loader, and a single SSD. I found myself browsing around for reasons which I will not explain to this ...
0
votes
1answer
1k views

Windows 10 refuses to boot

Running Windows 10 upgrade on Windows 7 for months. Gigabyte mobo, AMD processor. Not sure when. May have powered down without shutdown... Windows 10 fails booting, displays the spinning dots then ...
0
votes
0answers
105 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 ...
0
votes
0answers
50 views

Fixing GUID collision from Clonezilla-ing a Windows drive?

I just bought a larger SSD (256gb up from 128) and used Clonezilla to clone the smaller drive to the newer, larger drive. I cloned the "drive," and not the windows "partition." Because of this, it ...
0
votes
0answers
37 views

how to boot windows image backup?

The Windows boot loader is able to boot Windows from a full Image backup. I read that years ago, and about one year ago I even testet that myself, so I know it's true. Now that I really need to boot ...
1
vote
1answer
551 views

How to manually setup grub on a seperate boot partition with LVM over LUKS full disk encryption?

I've installed Linux Mint 17.2, with a hard drive partitioned as follows: sdc1 - 100MB ext2 for boot sdc2 - rest of disk as LUKS -> Physical Volume -> LVM Volume The logical volumes are: / ...
6
votes
1answer
66 views

What steps am I missing in my attempt to create bootable Linux distribution image?

I am trying to create a distribution image (via Linux’s dd command) for an OS that will work with hard drives and flash media. I have been successful at creating the image, but I can’t get it to boot ...
2
votes
0answers
53 views

UEFI detection (ESPs)

Does the UEFI boot manager detect the ESPs inside the GPTs on every storage device, based on the global-scope variables (boot-configuration) stored in NVRAM? Reading the UEFI booting from ...
4
votes
2answers
352 views

MBR vs GPT (Logical Block Addressing)

Going through MBR/GPT I'm a bit confused on the transition from MBR (2^32) to GPT (2^64). If you breakdown the history from CHS-to-LBA addressing: CHS (24Bits) - 8GB Limit (1979 - Introduced with ...
0
votes
1answer
1k views

Dual boot system: Grub doesn't detect Windows 10

I have a dual boot system on a Lenovo G50-45 laptop with Windows 10 and Linux Mint 17.2. It worked fine briefly but after upgrading Linux, something broke it. Below, please find my boot-repair log. ...
2
votes
1answer
46 views

Master Boot Record (Sector Size)

I understand the typical MBR is 512B and the addressable space is 2TB (2^32 x 512B), this was related to the physical sector size of the storage device (HD) which made perfect sense, but what about ...
2
votes
2answers
419 views

Boot Signature - BIOS

I understand that the BIOS is in ROM, and the manufacturer "typically" designs it to point to the first sector of the "active" storage device's first sector or CHS (0,0,1)*physical and CHS ...
0
votes
0answers
23 views

How can I delete all Windows Boot Loader entries and rescan?

I have reinstalled windows multiple times (over the last install) and it adds a new entry every time. Can I delete all Windows Boot Loader entries and rescan and just add those?
2
votes
0answers
172 views

Can I recover my HDD data after clean installing Win 7 on SSD, after the installation created System Reserved Partition in the HDD instead of the SSD?

I can't find the solution by searching the forums because I lack too much knowledge about partition tables functioning. I've found this quite similar situation Recover or recreate partition after ...
0
votes
2answers
58 views

Bootloader, uefi, bios documentation

I'm facing incredibly annoying issues with installing kali 2 (not booting + completely messing windows 7 boot) in uefi mode. I went trough alot of topics and solutions and nothing seems to work, ...
0
votes
0answers
11 views

Error while trying to ./configure (installing bootloader manager)

I'm having a problem with my bootloader - I have installed android along my other OS and if I install grub ( which comes with it ) my boot menu disappears and I can only access android through its ...
1
vote
1answer
639 views

booting windows 10 spends too long

In august 2015, I have upgrade my laptop from windows 8.1 to windows 10. But it spends always 10 minutes to boot it. It is not normal that it spends so long. What can I do for boot him faster? Below ...