master boot record (MBR)

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Partitions Grub UEFI GPT MBR

I'm having a problem with the partitions in my system. Yesterday, I wanted to try Arch Linux, so I installed it in a new partition and in the process I was told, since my system is UEFI, I had to ...
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1answer
4k 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 ...
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35 views

GPT accidentaly overwrote by MBR in non-native USB SATA dock

Sorry if I miss some solution, but I can't find issue like my one, especially looking into gpart status in answers. What I have got: Seagate 4000GB 3,5" drive ST4000DM000 Probably shipped as ...
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1answer
18 views

Move partition from ssd disk to pendrive

I have a 128 GB SSD. There is one partition: sda1 - 12 GB. I tried to move this partition to a USB pendrive. The pendrive is 16 GB in size. I booted from a live medium and ran: dd if=/dev/sda1 ...
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1answer
35 views

problem deleting MBR data and GPT data

I am trying to install Ubuntu alongside windows 8 for the first time so I know nothing about Ubuntu and I deleted what so-called MBR or GPT data or both using Ubuntu live by typing (sudo gdisk ...
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61 views

How to edit the MBR in multi Boot scenraio?

I am currently using Lenovo Y 50 laptop with multi boot: Ubuntu 14.04 and Windows 10. Day before yesterday, I installed the windows update and now whatever option I select in the Boot Menu while ...
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1answer
278 views

Location of grub on gpt partition

As far as i undersood the grub program is located fully in the efi partition if i have gpt partition scheme instead just as a link like it was in the older mbr. So now if i remove linux partition will ...
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849 views

How do I restore the Windows (8.1) MBR from Ubuntu Linux

Not so new to Ubuntu but when it comes to the internal advanced workings I'm completely lost. It seems to be a common issue to delete your Ubuntu partition from Windows and find out later that ...
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465 views

How to repair (not recover) my HDD's MBR and/or corrupted partition table

I have a serious problem going on with my HDD [SAMSUNG SP1644N- 160GB HDD - real 149GB] I wanted to reinstall my windows so I used Parted Magic's Partition editor to format it... I made an ...
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1answer
177 views

Ubuntu installation to USB stick removed windows MBR

Got a Windows 8.1 Lenovo laptop. Installed Ubuntu 14.04 to an USB Stick. Can boot into this Ubuntu on a stick. But not into Windows. Want to restore Windows boot. I can still boot into Windows if I ...
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2k views

Dual Boot Win7 and Ubuntu: UEFI vs MBR clean install

I know that similar questions have been asked, and I've researched all over the net for a concise, clear answer to this, but I have not been able to find a suitable solution. I just built a new ...
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1answer
272 views

SSD crashed with error no boot device fount

my handdisk is crashed and when I start my laptop I got error saying no boot device found. on running live cd with boot-repair I did not got any fix. I had dual-boot system working fine one day on ...
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1answer
357 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 ...
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1answer
2k 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?
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200 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 ...
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1answer
3k 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 ...
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1answer
473 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 ...
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1answer
284 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. ...
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1answer
216 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 ...
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1answer
82 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 ...
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0answers
197 views

Does the Ubuntu installer create a hybrid MBR partition table on EFI systems?

I have a MacBook Air that previously ran Fedora with a dual-boot Windows side for a few engineering tools. I recently switched back to Ubuntu, installing Ubuntu over Fedora using the same EFI boot ...
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638 views

Windows 10 and Grub not working properly

I recently decided to test Winodows 10 on my HP dv6 laptop with Ubuntu 14 installed. I was able to get Windows up and running without any problems but getting Ubuntu and Windows to boot properly has ...
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0answers
112 views

How do I remove an entry from Windows Boot Manager through Lubuntu

So I have a laptop that I got through work: it had one half of the HDD partitioned to their own version of Windows Enterprise (so no cmd unless you have admin rights) and the other half partitioned to ...
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0answers
65 views

Partition table BSD

I messed up the partition table of my HDD and i guess now its in the BSD format and windows/ubuntu both cannot read it. Does this mean I need to format my HDD and lose my entire file system or is ...
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63 views

Dual Boot Windows 10 & Ubuntu 14.04 MBR & GPT Partition Table problems

I have a Windows 10 and Ubuntu 14.04 dual boot system. I am a novice at Ubuntu but managed to get the dual boot up and running reliably. I am now trying to add a 3TB HD and partition it for use by ...
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23 views

“No root file system is defined” for Ubuntu AND “No harddrive found” for Win XP

I had a test installation of Ubuntu 14.04 on the same hard-drive as Win XP. __ Win XP had too many programs. So, I deleted all the partitions - including MBR. Now the hard-drive had ...
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0answers
55 views

Separating dual booting systems from one hard disk to different hard disks

Due to my recent hardware upgrade I'm planning to separate the two dual booting operating systems that I have (Ubuntu 12.04 and Windows 7), onto two different hard disks from the partitions on which ...
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72 views

Mount Ubuntu installation with broken MBR

I was installing Windows 7 next the Ubuntu 14.04 LTS on one SSD disk. After the installation I was not able to boot Ubuntu. The Win broke my MBR. I did not notice there exists boot-repair and ...
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326 views

Mac mini 2014 not booting Ubuntu 14.04 (no dual boot)

I just installed Ubuntu from a live usbkey on my brand new mac mini. Clean install to main HD with no dual boot or funny business: I plan on booting Ubuntu from the internal HD and connecting an ...
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522 views

Rebuild HDD: Repair NTFS and MFT

folks! Newbie here, I hope this is the right area to post a new topic. So, I got an HDD which got corrupted. I will try to be as specific as possible about describing my problem, even if English is ...
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70 views

How do I stop ubuntu updates from taking over the MBR?

I have a perfectly wonderful multi-boot setup with a stand alone grub2 partition booting from the MBR and from that grub2 menu I can boot other operating systems on other partitions (using, for ...
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223 views

Ubuntu 14.04 Not Showing Existing partitions

I am having a problem while installing Ubuntu with windows 7 (Both are 64 BIT). My windows 7 is already installed, when I try to install Ubuntu 14.04, it is not showing my partitions, instead it is ...
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43 views

Trying to clean up my MBR's

I curently have at least two Grub's installed on my HD. Iḿ trying to use a couple of tools to configure the one currently in use (I guess that is the one on /dev/sda). More precise, I want to load ...
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392 views

Will I lose my data is I “write MBR partition table to disk and exit” in Gparted?

I've never used Ubuntu before and I'm trying to install it. Apparently Ubuntu thinks I don't have Windows 7 installed, so I don't have the option to install it alongside Windows. I found a tutorial ...
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15 views

GRUB Rescue Needs Emergency Murder Tech…Or A Bullet To the Bean

I used to LIKE Ubuntu, but now it's impossible to get it to work well with Windows. (That didn't come out right; Windows 7-10 is more problematic than earlier platforms). I couldn't figure out how to ...
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15 views

Chainloading MBR and UEFI using “Boot from first HDD option”

I have a laptop booted with UEFI: Windows 8.1 + Ubuntu. For the sake of curiosity, I wanted to ask: What will happen if I boot a live MBR+BIOS Ubuntu and select "Boot from first HDD" in the Grub? ...
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19 views

I broke /dev/sdb, after copy MBR from /dev/sda

I've used this command: sudo dd if=/dev/sda of=/dev/sdb bs=512 count=1 After system reboot, there are grub errors, and I can't login to root, only guest, and /dev/sdb can't load on grub. I have ...
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39 views

recover from 'sgdisk --zap /dev/sda' (destroy GPT structures but leave MBR intact)

I just wanted to converted an old computer to an image using Clonezilla disk-to-image, but it failed because of something about GPT and MBR partition tables. But the disk contained only an install of ...
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25 views

MBR shows only 0x44 and cannot write anything to disk (MSata)

I cannot load my Windows or Linux installation anymore (Operating System not found error) after some windows updates (without me noticing), rebooting in Linux, and powering off due to battery drain. I ...
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26 views

Can I install Ubuntu on primary partition 2/3 and toggle the boot-partition for dual-boot option

I'd like to be able to install Ubuntu on a primary partition on a 'mostly Windows' machine, so I can easily automate remotely selecting one or the other. So, I start with a basic Windows box, shrink ...
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0answers
18 views

Grub fails on fresh install

I've used Ubuntu for some years (and set up) a dual boot Win7 laptop. No issues on updates or upgrades or grub. Yesterday I decided to dual setup my desktop also. And yes, first I did a full data ...
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18 views

Is there a way to fill the /boot file system of Trusty, apart from a new installation?

For the second time the install from DVD hanged stuck, while the status line was saying: "Loading boot loader." The system is then not booting (black screen), and after using chroot, grub-mkconfig ...
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54 views

Can I have a GPT partitioned SSD and an MBR partitioned HDD on the same device?

The title pretty sums it up though I am not sure if it is a valid question. And if not, can the HDD be GPT partitioned with already existing encrypted partitions?
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31 views

Install Ubuntu 14.04 after Windows 7, 2 seperate disks, searched a lot but problem unsolved

My Thinkpad has two disks, 1 gpt ssd + 1 mbr hdd. My main OS is Windows 7, which is installed in the ssd (120GB, nearly full). Now I want to install Ubuntu 14 to the hdd, I searched a lot, I tried ...
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54 views

Broke MBR & Grub2 On Multi-Boot System

For all those out there looking for a challenge, this is the most messed up hard-drive I will probably ever have to deal with. So to make solving this massive problem as easy as possible, I am going ...
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100 views

How To Suscessfully Install Ubuntu Server From A Flash Drive?

My Aim I am trying to install Ubuntu Server 15.10 32bit onto an old PC. This is not a dual boot install nor is it to a partitioned HDD. I fully formatted the drive, including removing all partitions, ...
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63 views

PXE-E61 Media test failure. I think I deleted my MBR

Okay, so I was using Ubuntu for a while then all of a sudden as I was walking upstairs with my laptop it cut out, no biggie it does it all the time when I move it. Except this time it would not start ...
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94 views

I have osx needing 'legacy' boot and linux using efi can I set up osx for efi boot?

I have osx needing 'legacy' boot and linux using efi can I set up osx for efi boot? At present I can boot either linux or an efi-booting windoze10 install, but to boot into osx I have to first enter ...
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46 views

How can I install windows on this disk?

From little searching, seems like this mbr is corrupt so it doesn't want to install windows on windows partition... ubuntu is on sda1 and I can remove this but I don't want to remove home folder in ...
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20 views

Install GRUB on the MBR of an HDD inside a Win7 machine

Install GRUB on the MBR of an HDD (non-boot, it's just IN THERE) inside a Win7 machine. It must be very simple. I just failed to successfully google my problem. I dont want dual boot, I dont want to ...