master boot record (MBR)

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How to convert MBR partition table to GPT?

I need to install Windows 10 alongside of Ubuntu, but partition table type is MBR, I tried to turn off UEFI mode, use legacy-mode but Windows still don't wont to be installed. (I heard of gdisk ...
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35 views

Grub Rescue, Windows 10. Ubuntu Studio

I had Dual Boot with Windows 10 installed first on M.2 ssd. Ubuntu Studio 16 along side it. I deleted the Ubuntu partition using Partition Magic in Windows 10, as I only have a 120gb SSD with both ...
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2answers
36 views

Laptop boot stuck on MBR 1FA

I followed a guide to restore MBR. The reason for doing this was because I originally had a Sony vaio which has Windows on. I installed Linux on it then wanted to revert back to Windows and read that ...
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22 views

Does installing ubuntu in uefi mode automatically convert the hdd from mbr to gpt?

I had windows 7 previously installed on my pc. I don't have an external hdd. So to save my data I created a normal partition and installed ubuntu 14.04 on it. Later on I formatted the windows ...
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1answer
34 views

Dual booting Ubuntu Mate on a MBR BIOS system with 4 primary partitions

My laptop has, at least according to what I've read on the internet, a MBR system with a legacy BIOS. Check for whether system is MBR Unfortunately it has 4 partitions: a C: drive, two hidden ...
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1answer
86 views

Ubuntu - Windows 10 - MBR

I have installed Ubuntu along side Windows 10 but need to remove it and install Fedora. Am I able to fix the MBR before removing the Ubuntu partition? I realise this question looks like so many ...
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1answer
75 views

Fresh install Ubuntu 16.04 : Not possible to boot Win10

Fresh install Ubuntu 16.04 on disk sdc. Windows 10 is on sda. During install, I chose to put grub on sda, I guess it was a mistake. Grub does not see W10, and if I choose starting on windows hd ...
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1answer
80 views

How to move GRUB from the MBR to another partition?

So, I'm fairly new to Ubuntu. My current set-up is dual booting Windows 10 and Ubuntu, what I want to do is move the GRUB from the MBR to another partition so I can encrypt the Windows 10 partition ...
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1answer
54 views

Too many Primary partitions (MBR) after installing Ubuntu

I am using a Sony (sve15118fnb) laptop. Recently I installed windows 10 and decided to dual boot it with Ubuntu. The disk uses MBR partition table, so the maximum number of primary partitions allowed ...
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2answers
49 views

MBR and GPT pointing to same OS?

I understand there are a lot of questions regarding this topic of MBR partitions, GPT for UEFI, having dual OS, one with MBR and the other with GPT, but due to my own inexperience I cannot figure this ...
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114 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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16 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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18 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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20 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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102 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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38 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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34 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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1answer
224 views

How to make UEFI Ubuntu bootable from MBR drive?

I have Ubuntu installed on an external HDD (MBR Partition Table). The USB Live Disk was UEFI and although I instructed Ubuntu installer to install Grub in external HDD it managed to install Grub in ...
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2answers
256 views

Can't install Windows 10 alongside Ubuntu (MBR error)

I have Ubuntu 14.04 installed for now long time and I need a Windows 10 so dual boot would be perfect. I don't want to reinstall Ubuntu and install Windows 10 first so I lets try it my way. Why? ...
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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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1answer
38 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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0answers
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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62 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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3answers
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How can I recover Windows/Linux dualboot after install Linux Mint? [closed]

Situation: After installing Linux Mint 17.3 alongside Windows 10, I lost the ability to boot into Windows. Here is my partition table: /dev/sda2 is the Windows 10 C: partition (that is mounted ...
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1answer
287 views

Will UEFI boot with EFI partition + MBR partition table work (instead of GPT)?

Is it a requirement for a drive to use GPT partition table if wanted use UEFI boot? Or is it still possible to use MBR partition table as format for drive's partitions and have bootloader saved in a ...
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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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1answer
386 views

gdisk unable to write GPT table

I'm trying to recover a disk which appears to have a corrupt ID for the protective MBR. Yesterday I took a backup of the GPT and protective MBR, and dumped to file. At that time fdisk reported the ...
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1answer
38 views

Restore partition table changed by accident while disk in use

I managed to change partition table on my main HDD. Now, I'm afraid to reboot, because I do not want to lose my data. Here is what GParted says: And when I try to recover data: Which is ...
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1answer
20 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 of=/...
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60 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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24 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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102 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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4answers
85 views

Can't boot into Ubuntu after removing Windows partitions

What has happened: I had installed Windows on my hdd abdicate Ubuntu 14 on the ssd. Home and swap were also on the hdd. Then I decided to remove Windows and deleted all (exceptthe home and swap) ...
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70 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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2answers
43 views

Unable to resize Win partition under Ubuntu

I know my problem sounds pretty common but all advices I found on the internet did not worked for me. I try to resize partition and I cant lower its size.My previous SSD disk failed and I need to ...
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1answer
4k views

How i can change GPT to MBR?

I cant see my second hard drive wich is GPT, in linux, i mean i cant mount it or use data from it. On windows all good, I load windows8\ubuntu from grub wich use mbr on first hdd. As i understand, ...
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2answers
3k views

GRUB menu not showing with dual-boot UEFI mode installation

Previously I had Dell Inspiron Laptop with Legacy Boot and MBR disk partitioning with pre-installed Ubuntu 12.04. I needed dual boot with Windows. So I formatted it completely using Live USB, ...
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3answers
465 views

Ubuntu won't boot after clean install

I did a fresh install of Ubuntu, upon restart my pc would say to enter a proper boot medium and press any key (or something similar to that) I followed the instructions from looking at forums to ...
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2answers
436 views

Trouble with partition on a USB flash drive

Xubuntu 14.04.3, USB flash drive 4GB. After using the standard tool for writing flash drives in Linux Mint 17.2 MATE i've installed Xubuntu, but when I decided to format the flash drive i got this: ...
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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 /dev/...
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1answer
79 views

I want to use GRUB as my MBR instead of Windows MBR…HOW? [closed]

I hear that this can b done I just don't know how. Im stil all too new to LINUX
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1answer
372 views

Install GRUB(2?) to PBR or MBR? (Intend to chainload Lubuntu from Syslinux/ISOlinux)

I have installed Fatdog64 on a re-purposed laptop, and am trying to install Lubuntu alongside Fatdog in a multiboot setup. However, the Fatdog install is not recognized by the Ubuntu Minimal installer,...
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1answer
71 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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3answers
279 views

Reinstall GRUB to partition?

Recently my BCD corrupted, so I reinitialised it from a LiveUSB, and added my Ubuntu partition back to it. Unfortunately the kernel isn't loading, so I thought to reinstall GRUB. The results below ...
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1answer
313 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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98 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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2answers
3k views

Converting one partition from MBR to GPT to install windows without losing linux

I used to have dual boot with Ubuntu 14.04 and Windows 8.1. I decided to delete Windows partition because things weren't working right on Windows, but now I want to install them again. I now have 230 ...
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56 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 ...
0
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1answer
946 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 you'...
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2answers
60 views

Why does the installer make an extended partition for swap by default?

Every time I've done a clean default install of Ubuntu or a variant on an MBR type system, I end up with a system partition and a swap partition. The installer always tucks the swap partition inside ...