master boot record (MBR)

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10
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5answers
126k views

How to boot into Windows 7 when grub is installed in the Windows partition?

Original title: How can i solve (un)booting windows 7 on the same partition with grub? I've been researching for 2/3 days about this problem and I have came up empty. Basically, partition 1 is ...
1
vote
1answer
64 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 ...
0
votes
1answer
45 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 ...
1
vote
1answer
31 views

Startup 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 ...
2
votes
1answer
48 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 ...
1
vote
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 ...
1
vote
4answers
10k views

Gparted can't create partition table

Here's what the problem is. About a day or so ago I used Gparted live cd to create 3 NTFS primary partitions on my external 500 gig Goflex and one extended with 2 logical partitiones. I had planned ...
0
votes
0answers
23 views

Recovering non-EFI partition with Kali Linux after installing windows 10 [migrated]

I successfully dual-booted and used Windows 10 and Kali Linux for some time. Then due to a failure in Windows I had to reinstall Windows 10. With that I lost the grub. Then I followed the instructions ...
0
votes
1answer
43 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 ...
0
votes
2answers
41 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 ...
2
votes
1answer
3k views

GRUB Drops to Rescue Shell - Fix MBR and Windows Bootloader

I shall just give a bit of background information. I updated a broken Ubuntu installation to Oneiric from the live CD a while ago, and everything appeared to be working fine. Because I don't use the ...
0
votes
2answers
150 views

Can't Boot into Windows 8

I have just installed Ubuntu 14.04 LTS on my laptop with Windows 8 installed. Now I can boot into Ubuntu without any problems, but I can't boot into Windows 8. After I choose Windows 8 Loader (on sda1)...
6
votes
5answers
65k views

How to fix the MBR for Windows 7?

I have installed Ubuntu as dualboot with Windows 7. Now I'm no longer using Ubuntu so i removed the Ubuntu partition and added the unallocated space to my Windows 7 partition. But after I restart my ...
0
votes
1answer
1k views

Need to repair MBR without using CD

I just reinstalled Windows 7 on my PC which erased my Master Boot Record and I can't boot into my Ubuntu 12.04 Precise Pangolin partition. The computer in question is an ultrabook, so I don't have a ...
1
vote
0answers
85 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 ...
3
votes
0answers
207 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 ...
0
votes
0answers
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 ...
0
votes
0answers
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? ...
2
votes
1answer
170 views

Partitions mixing up

I am trying to install Ubuntu alongside my Windows 7. The problem is that Ubuntu is not detecting all of my partitions and basically clubs together many of them. The same thing is done by using ...
0
votes
0answers
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 ...
0
votes
0answers
64 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 ...
0
votes
0answers
32 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 ...
0
votes
0answers
31 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 ...
0
votes
1answer
176 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 ...
0
votes
1answer
36 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 ...
1
vote
2answers
218 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? ...
1
vote
2answers
2k 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, ...
8
votes
3answers
12k views

GPT vs MBR. Why not MBR?

I am a Linux user. I don't have Windows on my laptop. Also the hard drive size is less than 2 TB. Then why should I use GPT tables? Can't I go with old fasioned MBR? I will be having two root ...
0
votes
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 ...
0
votes
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 ...
0
votes
0answers
57 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?
0
votes
3answers
879 views

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 ...
0
votes
1answer
204 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 ...
0
votes
0answers
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 ...
0
votes
1answer
298 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 ...
7
votes
3answers
48k views

Fix Windows MBR using Ubuntu Live CD and ms-sys tool

I'm trying to fix the MBR using Ubuntu live CD. I already have the ms-sys installed but from the threads that I saw, I'm not completely sure in which /dev I should execute the command: sudo ms-sys --...
1
vote
2answers
6k views

Uninstalling Ubuntu from dual boot / Change bootloader

I have a Win/Ubuntu 11.10 dual-boot setup, where I am running the OSes on separate partitions of my laptop HDD. I assume the best method of uninstalling is 'simply' a matter of deleting the Ubuntu ...
0
votes
1answer
37 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 ...
2
votes
5answers
3k views

Install Ubuntu to hard disk without overwriting mbr?

What's the best way to install Ubuntu without putting GRUB on the MBR? I would think I can install to another partition (logical?), and then install GRUB on a bootable USB. When I want to boot to ...
0
votes
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 of=/...
0
votes
0answers
58 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 ...
2
votes
0answers
648 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 ...
1
vote
0answers
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 ...
0
votes
1answer
73 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
0
votes
0answers
101 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, ...
0
votes
1answer
319 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,...
0
votes
4answers
75 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) ...
0
votes
0answers
68 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 ...
4
votes
2answers
5k views

Black screen ubuntu with 1234F:?

Ubuntu was up and running, my computer apparently got unplugged last night and died. I plugged it in and turned it on. My screen is all black with 1234F:. When I type a letter, number, or press enter ...
0
votes
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 ...