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

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88
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10answers
378k views

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 ...
26
votes
1answer
135k views

How can I add Linux to the new Windows 8 boot manager?

Which OSes can be put into the new bootloader that Windows 8 provides? It seems to be quite pretty and consistent with the rest of the new Windows 8 design, so it would be cool to put Linux (Ubuntu) ...
5
votes
4answers
6k views

How to fix GRUB after Windows breaks it, and how to edit the GRUB menu

I had Windows XP and Ubuntu both installed. I could easily boot into either until Windows "fixed" the bootloader so that it now only boots into Windows. I guess there is no way to prevent Windows ...
27
votes
3answers
22k views

How can I keep multiple live/bootable ISO images on a single USB drive?

I am looking to create a USB flash drive that I can put multiple live CD ISO images on and select which boots from startup. The ideal candidate supports Linux and Windows-based ISO images, and is ...
15
votes
2answers
178k 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 https:/...
13
votes
3answers
64k views

How to restore windows 8 GUI boot-loader after installing windows 7?

I have installed window 7 after installing windows 8, so windows 7 boot-loader is now the default boot-loader But i want to restore windows 8 graphical boot-loader back again so what to do ?
5
votes
1answer
6k views

How do I install the Windows 7 boot loader?

I have 2 hard disks, on first I have installed win xp. I boot into xp and run setup of win7 and installed it on second hard disk. Now the problem is that win7 bootloader is installed on first harddisk,...
3
votes
1answer
8k views

Remove entry from Windows 7 bootloader

After making an error installing windows, I now have two entries in the Windows 7 boot loader, one of which is incorrect. How can I remove it? I've seen some entries recommending EasyBCD, but can't ...
3
votes
2answers
5k views

“Reinstalling” the Windows 7 boot manager

I've run into an interesting predicament. I've got two HDD's, one running Windows XP (Primary) and another running Windows 7 (Secondary). I recently installed Gentoo over the XP installation and used ...
8
votes
3answers
25k views

How to remove boot loader entry on Windows-8?

I have just installed Windows-8 preview twice, because at first I accidentally installed it at the wrong partition and now I have got 2 entries with Windows-8 in the boot loader and would like to get ...
0
votes
2answers
455 views

How To Get Windows To Stop Assuming Precedence Over GRUB?

I have a SATA hard drive with an MS DOS MBR partition table, an ext4 Linux-based OS, an NTFS Windows 7, and an extended partition. I was happily using my ext4 partition for quite some time, but grew ...
11
votes
2answers
17k views

How can I move the boot sector to another drive?

When I installed Windows 7 on my new SSD it seems I messed some parts up during the partition selection, and now I have my system partition with the boot sector on another harddrive, and the boot ...
10
votes
3answers
52k 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 ...
2
votes
1answer
7k views

Full disk encryption on dual boot system using TrueCrypt

I'm thinking about encrypting my whole harddrive for example using TrueCrypt, which I've used for encrypting file containers for a while. It is possible to encrypt the whole harddisk through the ...
10
votes
7answers
36k 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 ...
1
vote
2answers
1k views

Multi Boot USB Stick [duplicate]

I have several Boot CD's/DVD's where I'm able to make a bootable USB-stick and put into it. But I can do this separately only. Is it possible to merge several bootable CD's/DVD's into a single ...
3
votes
1answer
10k views

Fix Windows 8 bootloader after converting MBR disc to GPT

I bought a new MoBo, processor, and some 3TB HDDs last week and am currently setting up a clean installation of Windows 8 on the machine. The MoBo is an Asus RoG Maximus VII Ranger (What?! It was ...
1
vote
1answer
12k views

Fastest way to restore Windows 7's original MBR?

I have removed GRUB's partition, and I wanted to restore the original Windows boot part. WinToFlash failed again to make my pendrive bootable, thus I'm in a bit of a trouble now. I looked all ...
0
votes
3answers
12k views

Restoring the Windows 7 boot loader (after uninstalling Windows 8)?

A while back I installed Windows 8 Consumer Preview on my PC. As expected, I quickly grew bored of it, and uninstalled it. I removed the whole partition on which I had installed the OS, and ...
4
votes
2answers
9k views

How do I set Windows 7 as default OS but retain Windows 8 Boot screen?

I am dual-booting between Windows 7 and Windows 8 on a test workstation, and typically reboot 3-4 times per day. If I set Windows 8 as the default OS, I get the Windows 8 graphical boot screen, which ...
2
votes
2answers
6k views

How do I modify the boot menu for Windows 7?

I'd like to add an entry to the Windows 7 boot menu, but it seems that it is not as simple as editing the boot.ini file. How to I add a new entry? I'm trying to install xPUD using the instructions ...
1
vote
1answer
23 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 ...
5
votes
2answers
8k views

Can I dual boot Linux and Windows 7 but use the Windows bootloader instead of GRUB?

Is it possible to have the Windows bootloader point to Windows 7 and a Linux partition instead of using GRUB to point to Windows 7 and Linux? Any links to tutorials, guides, or how-tos would be ...
3
votes
2answers
2k views

How do I fix a Windows XP bootloader error when BOOTCFG, FIXBOOT, and FIXMBR do nothing?

I recently replaced a faulty hard drive with two hard drives that I then raided (1) together and installed Windows XP on about a week ago. Since then, I have always received this error: Windows ...
3
votes
1answer
180 views

Windows 7 is not loaded by the BIOS and the computer is repeatedly restarting

I am running my laptop on a 3- to 4-year-old battery. My computer went into hibernation when I was running it on battery, but I think the hibernation was not successful. That is why my startup program ...
2
votes
2answers
12k views

How to delete the bootloader

I dualboot my pc, windows 7 64 bit, and some linux distro, nowadays i'm using crunchbang. I once had a problem, i lost my bootloader so i created one using easybcd. Later on, i installed a linux ...
2
votes
1answer
870 views

Windows 8: Boot to non-Windows OS

I previously had an install of Windows 7 on one drive, and an install of Fedora on the other hard drive. I have a partition on the second drive for GRUB, and the normal Windows bootloader partition on ...
1
vote
2answers
3k views

How to get the Windows 7 bootloader back after installing XP, as well?

So I installed XP on a partition alongside Windows 7 and I have lost the Windows 7 bootloader. I'd like to have it back, even if it means getting rid of XP, as I no longer need it. How can I ...
0
votes
3answers
335 views

Reinstalling Windows 7 Bootloader

On a computer running windows 7, I created a new partition and installed Ubuntu on the empty partition. Then in windows, I deleted the partition that ubuntu was installed on. After restarting my ...
0
votes
2answers
6k views

Can xcopy make a bootable copy (clone) of Windows?

Following on from my discussion with @JustinD in the comments here, is it technically possible to simply xcopy the contents of a Windows partition to a partition freshly created and formatted on a new ...
0
votes
1answer
5k views

How to install Oracle Solaris 11 with Windows 7?

I want to install Oracle Solaris with Windows 7 without Virtual Machine...like means there should be an option of dual boot means that i can select the operating system during booting and can work in ...
16
votes
3answers
86k views

How do I make my Boot Camp partition bootable again?

I needed to resize my Boot Camp partition so I used Gparted to move and resize it. This seemed to work, except that now I can't boot into Windows. I can boot into OS X just fine. OS X can recognize ...
2
votes
2answers
17k views

Installed/Updated Windows 8 UEFI after Ubuntu - Restore GRUB

So, I had a laptop with Windows 8 OEM copy obviously installed in UEFI configuration with GPT partitioning. A little while ago I installed Ubuntu 13.xx(the latest one) alongside it and GRUB ...
4
votes
1answer
10k 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 ...
6
votes
6answers
71k views

Grub rescue, unknown file system. Can't boot into Windows 7

I am confused, so I am also going to use this question to get clarification and fix my computer. Some background: I had Windows 7 on a 1 TB HDD and decided to partition my hard drive into two ~500 GB ...
4
votes
2answers
20k views

Windows 8 EFI boot issue

I've got a simular problem as described in How can I repair the Windows 8 EFI Bootloader?, but with some different details. When I tried to change the bootsequence of my harddisks (of which 1 SSD) in ...
1
vote
1answer
6k views

Adding Windows 7 boot entry in an EFI bootloader

Long story short, I use EasyBCD and accidentally delete the Windows 7 boot entry from the boot manager. My laptop is Asus N46VZ and it uses EFI. I want to restore the bootloader by adding the windows ...
5
votes
4answers
5k views

How to make Windows bootloader the default?

When I got a new computer, I installed Ubuntu and Windows XP on it. When I turn it on, GRUB shows up and lets me choose between the OSes. All right so far. A while later, I decided I don't want ...
7
votes
4answers
90k 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 ...
2
votes
3answers
20k views

How to reinstall Windows Boot Manager on EFI partition

So I've been trying to install Ubuntu on a second HDD on my desktop, which has W8 installed on a SSD (UEFI-only boot). Thing is, during Ubuntu installation I made the mistake of choosing to install ...
1
vote
1answer
873 views

How should I get my bootloader working for my Ubuntu, Windows 7 and Windows 8 on VHD?

I have a dual-boot system - 2 partitions - 1 Windows 7 and 1 Ubuntu 11.04 - using the Windows 7 boot-loader, with the Ubuntu boot option added via EasyBCD. I also installed the Windows 8 preview on a ...
1
vote
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 ...
1
vote
4answers
2k 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 ...
3
votes
1answer
416 views

Moving a WIndows 7 installation to a new drive, with a caveat

The goal: I want to move my windows 7 installation from the old SSD to a new one. The problem: The 100MB system partition that windows uses to boot is on another drive. Why and how did it get there ...
3
votes
3answers
5k views

Linux partition deleted, GRUB no longer boots

My notebook computer came with Vista and I installed Ubuntu on 2 partitions and kubuntu on another partition. After a while, I wanted to delete one of the Ubuntu partition, so I did it in Vista's ...
3
votes
4answers
9k views

Gigabyte GA-970A-UD3 mobo won't boot from USB flash drive

I am trying to boot BAMT, a Linux distribution based on Debian via USB on a brand new Gigabyte GA-970A-UD3 motherboard. I tried various flash drive and various OS. I never had this problem with ASUS ...
3
votes
3answers
920 views

How to replace GRUB boot loader, from within Windows?

I have dual boot (Debian and Windows XP), and the boot is from GRUB. I want to remove Linux and grub, and restore the Windows boot. However, I cannot use installation CD to restore the MBR. Thus, I ...
2
votes
1answer
252 views

Most painless way to restore Windows 7 bootloader?

What is the most painless way to restore the Windows 7 bootloader without a Windows DVD?
1
vote
1answer
85 views

Bootloader can't load Windows?

I am using Windows 7 and it's installed on Local Disk C. I also installed Linux on another Local Disk. Because of the lack of storage, I formatted the local disk of Linux and merged the space with C. ...
1
vote
1answer
6k 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 ...