master boot record (MBR)

learn more… | top users | synonyms

0
votes
3answers
2k views

GRUB 2 Error : No such disk

I have gone through many pains to boot through my windows 7 partition. I had windows 7, then one fine day I installed Ubuntu and again formatted the partition where Ubuntu was installed only to find ...
0
votes
2answers
8k views

Unable to boot: Missing Operating system

i had installed Ubuntu 11.10 along with the another Ubuntu 11.10 which already installed in my netbook. Later I formatted the partition I newly installed. Next time when I boot it went to Grub Rescue ...
0
votes
1answer
42 views

Recover unbootable Ubuntu, boot-partition gone?

I was unable to boot Ubuntu after setting my BIOS to default. I tried Boot-repair and tried a "recommended repair". After a while it asks me to insert the following in Terminal: sudo chroot ...
0
votes
0answers
21 views

can not make primary patition or logical (MBR to GPT)

I wish to make dual boot windows and ubuntu on del inspion 5721 comes with ubuntu installed Hard disk consists of 3 primary and extended swap partitions In order to get new partitions from free ...
0
votes
0answers
10 views

How to block installing grub into MBR while upgrade?

I have a problem with blocking installing GRUB into MBR. I have to block it in ubuntu and debian template to not let users "destroy" their XenServers (with GRUB in MBR they wont boot). Ubuntu ask for ...
0
votes
1answer
172 views

Error message 0xc00000001 while booting Windows 8 after installing Ubuntu

After I installed Ubuntu 14.04, as I switch on my computer I only receive one message which is: Windows Boot Manager, Windows failed to update: status 0xc00000001 What should I do?
0
votes
1answer
120 views

Windows 8.1 and Ubuntu 14.04 do not work

After installing Ubuntu 14.04, my Windows 8.1 and Ubuntu cannot boot anymore, I get the message below, please help me fix it as I cannot use my computer any more. I tried to install boot repair ...
0
votes
1answer
41 views

Migrating Ubuntu from a MBR disk to a GPT disk (non-UEFI)

The question is: how to Migrate Ubuntu installed on a LVM Logical Volume with a separate boot partition from a MBR disk to a GPT disk on non-(U)EFI hardware without data loss to enable the usage of ...
0
votes
0answers
50 views

Operating system not found - tried everything

As the title says, I get the freakin' "Operating system not found" when I try to boot up my netbook. A little bit of history Back in 2012 my netbook prompted the message for the first time. I just ...
0
votes
1answer
392 views

Delete Ubuntu from dual boot Windows 8.1 in GPT disk [duplicate]

I'm using Windows dual booting with Ubuntu. I have uninstalled, and at that time my disk was formated as MBR. After deleting all partitions of Ubuntu I choose to rebuild the MBR in my disk. That way ...
0
votes
1answer
170 views

How to make grub2 boot another drive MBR?

My laptop (DELL Vostro 3350) have two hard drives: Main one (/dev/sda), is a ssd mounted on SATA-HDD slot with Ubuntu14.04 (grub2 installed to this MBR). Installed on normaly hd bay Second on ...
0
votes
2answers
90 views

Cannot install Ubuntu on UEFI device from scratch

I've replaced my HDD by a SDD on my Zenbook Prime and am trying to install only Ubuntu 14.04. Before, I installed Ubuntu on the HDD which was already containing Windows 7, and everything worked great. ...
0
votes
0answers
84 views

Grub was not installed properly during installation of 14.04 [duplicate]

Have a HP Probook 4310s with windows 7. It previously had 4 partitions (C:, SYSTEM, HP_RECOVERY, HP_TOOLS). I backed up the HP_TOOLS partition and removed the partition. I then partitioned C: to ...
0
votes
0answers
103 views

Grub Customizer Submenu Not Working

To begin I will confess that I am relatively new to Ubuntu, so much of this is a learning experience for me but a learning experience I am open to nonetheless. My problem largely is that when ...
0
votes
0answers
31 views

Ubuntu update overwrote MBR, but did it make backup?

I had Ubuntu 12.04 (32-bit) with Windows 7 working with multiboot setup on computer with McAfee Endpoint Encryption. Only Windows 7 partition was encrypted together with MEE bootloader being on MBR. I ...
0
votes
1answer
63 views

Alternative To DD For Back/Restore Of MBR

I need a program that can backup/restore an MBR so that if I have boot problems related to such I can just restore it. I'm aware that DD can be used for this, but I'm looking for an alternative tool, ...
0
votes
1answer
334 views

“Reboot or select proper boot device” Error after install Ubuntu on Win 8 Drive

I have a Gateway DX4885 machine that came with a new install of Windows 8. Upon receiving the computer I did a fresh install of Ubuntu 12.04LTS desktop, using the format tool in the Ubuntu install ...
0
votes
0answers
45 views

Uninstalling Ubuntu 12.04

I installed Ubuntu alongside my Windows 8 in a dual boot set-up but I didn't like it as much as I thought I would and now I would like to remove it. I have read over steps to do this ( restoring MBR ...
0
votes
0answers
29 views

wubildr.mbr missing or corrupt error while installing Ubuntu using Wubi in Windows 8 [duplicate]

I have installed Ubuntu to my external drive using Wubi, but, when I choose to run Ubuntu, it says that \ubuntu\winboot\wubildr.mbr is either missing or corrupt. I am currently attempting to do a disk ...
0
votes
2answers
138 views

I need Plan of Attack! Please help

I need for someone to help me creating a plan of attack ; ) Purpose: Setting up dual booting = Windows 8.1 + Ubuntu 13.10. Present status: Both OSs are installed in a different hard disks, with ...
0
votes
0answers
8 views

How do I check if a GPT or MBR partition table is being used? [duplicate]

I understand that GPT (GUID Partition Table) is the newer partition table format, and that it supports having many primary partitions. How can I check if a GPT or MBR partition table is being used?
0
votes
1answer
111 views

Can I restore GPT info from MBR ?

I had a problem where my ubuntu installer would not recognize my windows partition, so i looked it up, and someone suggested 'zapping' GPT from my hdd with sudo gdisc /dev/sdb followed by x, z, y, n. ...
0
votes
0answers
143 views

After restoring partition with TestDisk, need to restore MBR

I accidentally trashed my partition while trying to wipe a USB flash drive. Here is the command that I ran: sudo dd if=/dev/zero of=/dev/sdb bs=1M count=1 After that disaster, my computer would not ...
0
votes
0answers
70 views

Windows 7 not working after installing linux

I recently tried installing Ubuntu onto an external hard drive and if messed up my MBR. The first time I did it I was able to fix the MBR using my Windows 7 install disc. Now when I try to use the ...
0
votes
0answers
305 views

Restore Windows 8.1 MBR from Ubuntu

I had Windows 8.1 and i was booting using UEFI. I installed Ubuntu 13.10 in Legacy BIOS and than i was trying to convert it in EFI using this: https://help.ubuntu.com/community/UEFI Converting Ubuntu ...
0
votes
0answers
110 views

I can't boot into windows anymore!

A few weeks ago I set my computer up to dual boot Ubuntu 13.10 and Windows 7 Pro. Everything worked fine, but I found the hassle of switching between OSs annoying. Since I prefer Windows 7 I decided ...
0
votes
1answer
183 views

Restoring the MBR

While following instructions from this page I accidentally deleted the MBR. I do however still have a backup of the MBR. I tried to resore it using the following command $dd if=MBR-backup of=/dev/hdx ...
0
votes
1answer
133 views

Alter MBR order of partitions after copying partitions to larger drive

I have a new 1TB laptop drive that I want to clone an existing drive to. The issue is that I want to reorder and resize the existing partitions. The existing partition table for the drive is ...
0
votes
0answers
173 views

Can't reinstall Windows 8 after installing Ubuntu on a UEFI laptop

I am using a Samsung laptop which had Windows 8 pre-installed. It has a UEFI motherboard and secure boot. It also has a hybrid hard drive, so it has a 20GB SSD for the OS as well as an HDD. I have ...
0
votes
1answer
2k views

Can't remove GPT data from MBR

I am having difficulty getting the Ubuntu installer (and gparted) to recognize the partitions on my MBR type disk. Other operating systems and disk tools read the disk structure and the files on it ...
0
votes
2answers
612 views

Can't install Ubuntu and Windows 7 x64 on same system - MBR UEFI issue

I'm trying to install Windows 7x64 and Ubuntu 13.04 x64 side by side on a laptop. I've successfully installed each on the laptop. However, when Windows is installed and I try to install ubuntu it ...
0
votes
0answers
44 views

MBR not found error during installation

I am completely new to Linux/Ubuntu but I want to learn it. Recently my HD crashed so I bought a new SSD and installed Windows on the C drive. I have my normal stuff on D drive and want to install ...
0
votes
1answer
77 views

Forced to boot into Windows 7`

Just posted 1 there trying to get a Ubuntu and Windows dual boot working. I have installed like I was advised but now no matter which HDD I chose to boot from it always loads up windows, and GRUB ...
0
votes
1answer
621 views

Dual boot Ubuntu (GPT bios disk) and Win 7 (MBR disk) [SOLVED]

I have a new MSI motherboard (UEFI), being used in UEFI+legacy mode, with two disks, one Ubuntu ( primary disk - GPT with bios_grub flag on ) and Windows 7 in the 2nd disk (MBR partition). And I'm ...
0
votes
1answer
240 views

Disk error occurred

I just installed Ubuntu 13.04 alongside my Windows 8, but after that my Windows 8 is not loading. a disk error occurred it says. Then I restored the MBR using boot repair, but again it is showing the ...
0
votes
1answer
148 views

grub rescue toughies

I booted a custom distro from a Live CD. I decided to dual boot with WinXP, so I created a small partition and installed the OS. There was a little incompatibility with the processors that I fixed, ...
0
votes
1answer
440 views

GRUB2 - recovering Windows Recovery Environment

I've got an issue with Windows Recovery Environment after the Ubuntu installation, in particular after the installation of GRUB2. On sda1 I've got a Windows 7 installation thing (bootable, something ...
0
votes
1answer
72 views

Ubuntu Minimial Install mounts internal HD as sdb

I am trying to setup 13.04 on a new internal SSD on an Intel NUC i3 from a USB Stick. For some reason during the install it mounts the SSD as ssb and install on it but writes to the the USB Stick MBR ...
0
votes
1answer
408 views

Fixing GRUB after fresh install from LiveCD on USB

I just reinstalled Ubuntu 12.04 using a LiveCD mounted on a USB drive. When the USB drive isn't plugged in... things won't boot. I'm new to Ubuntu, so please bear with me. After a bit of reading I see ...
0
votes
1answer
2k views

Runnning Ubuntu 13.04 on ASUS Laptop with pre-installed Windows 8 and secure boot enabled [duplicate]

I had installed Ubuntu 13.04. The installation went on smoothly. But, after the installation was over, there was no grub that let me decide between Ubuntu and Windows 8. So, I used EasyBCD. The grub ...
0
votes
1answer
739 views

How to remove MBR and replace GRUB?

About 2 weeks ago on Friday, so exactly 2 weeks ago, I accidentally screwed up GRUB on Ubuntu 13.04(64-bit). I don't remember how, but I did. I tried fixing it on my own. Tried several boot repair ...
0
votes
1answer
189 views

Ubuntu will not boot

I had Ubuntu running on an acer easyStore box. When the power supply got too loud, I decided to move the harddrive to a desktop box. However, when I tried to boot up, the screen tells me to pick a cd ...
0
votes
1answer
1k views

Install Ubuntu 12.04 alongside Windows 8 (not preinstalled) without grub [duplicate]

I want to install x64 Ubuntu 12.04.2 on my HP laptop. I don't like grub, so I want to install without it or install grub onto another partition and then add grub to Windows' bootloader (and set grub ...
0
votes
1answer
117 views

Windows loader after Grub

I have installed Ubuntu next to Windows7. When I restart PC, MBR loads windows loader first then if I choose Linux, I have grub loaded. My problem is that I would like Grub to be loaded first. Any ...
0
votes
0answers
29 views

Replace Windows MBR with Ubuntu MBR(?) [duplicate]

I read that the MBR that "comes with windows" will not boot from logical partitions, and I read that other MBRs may read from a logical partition. Here it is: "need to make sure that the MBR code ...
0
votes
1answer
321 views

Cannot start PC without rescatux?

I'm aware that askubuntu is probably not the ideal place to ask this question, but considering that the problem occurred while I was installing ubuntu I'm guessing others may have run into the ...
0
votes
0answers
299 views

How to replace GRUB with BURG? Not on MBR

This question is repeating, I know but I can't answer it as I don't have an answer and I cannot comment either to get some insights on this thing. How to replace GRUB with BURG without overwriting ...
0
votes
1answer
501 views

How to boot to Windows if grub is broken and BIOS won't open?

I recently accidentally deleted my Ubuntu partition. When I rebooted the computer, I got the dreaded grub rescue> prompt. I thought, "simple fix, boot an ubuntu CD and add a new MBR". However, my ...
0
votes
1answer
92 views

Recover Ubuntu after MBR recreation

Initially I had Windows 7. After installing Ubuntu I was not able to boot into Windows. Therefore I recreated MBR from Windows Repair bootrect /fixmbr. I am not experience in those things therefore I ...
0
votes
1answer
932 views

Lenovo U410 — Messed up grub/mrb, and can't access bios

I am out of ideas, so I thought I would ask here. I have a lenovo U410 and it comes with one of those intel hybrid hdd's that has a 32GB ssd in it. I figured I would unraid it and try out ubuntu on ...