master boot record (MBR)

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15 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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21 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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0answers
15 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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0answers
25 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
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1answer
115 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
153 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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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
32 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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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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3answers
492 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 ...
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1answer
115 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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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
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1answer
192 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
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 ...
0
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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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0answers
48 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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0answers
22 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
98 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
64 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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0answers
62 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
42 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
2k 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
1k 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
234 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
232 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 ...
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1answer
69 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
207 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 ...
0
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1answer
57 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 ...
3
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3answers
244 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
250 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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0answers
92 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 ...
0
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2answers
2k 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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0answers
54 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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0answers
45 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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0answers
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 ...
0
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1answer
782 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 ...
0
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2answers
47 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 ...
2
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0answers
636 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
69 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 ...
6
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3answers
9k 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 ...
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1answer
83 views

recover filesystem from nuked hard drive

OK, I'll admit it, it was a dumb thing to do. I was using dd to copy a disk image onto an SD card for a Raspberry PI, but managed to copy the image onto /dev/sda instead of /dev/sdc. Problem now is, ...
0
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1answer
84 views

Cannot reinstall Windows after Ubuntu [duplicate]

I recently installed Ubuntu on my laptop(Sony Vaio Duo 13). The laptop ONLY has two USB slots in the back, no disk drive. A bit later I realized that I still needed Windows for programs needed in ...
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0answers
57 views

partition formatted

a couple of days ago i was downloading a torrent overnight on windows and the following day when i opened the laptop, bittorrent showed that it was working for only 3 hours though i left it for ...
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2answers
114 views

I installed windows 8.1 and ubuntu 14.10 only windows 8 boots

I had a windows 7 and Ubuntu 14.10 then i upgraded windows 7 to 8.1 now I cant get Ubuntu to boot I now have grub but grub will not find Ubuntu http://paste.ubuntu.com/11019932
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1answer
536 views

UEFI Ubuntu installation no longer boots after moving a partition

After resizing moving a large partition on the same drive with Gparted that contains my EFI partition, my Ubuntu installation (15.04 x64) no longer boots in EFI mode. When I try to manually load the ...
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0answers
15 views

MicroSD and Testdisk. Can't find any partitions. Is it dead? [duplicate]

Sorry for my english, i'm italian and my istruction system sucks. Until yesterday my MicroSD worked perfectly in my Android smartphone. But this morning I can't read anything anymore from it. My ...
-1
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1answer
23 views

Formating help with dual boot [closed]

first i will try to explain what i did and whats the problem. So after almost 2 years i decide to format my notebook, i had one partition for Ubuntu and another one for Windows 8.1. i havent been ...
-1
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0answers
435 views

How to fix partition table where partitions are moved outside of drive and are overlapping?

So, I was trying to do a resize of a partition to make a partition for my linux install. As such I simply tried doing a resize on my Windows OS partition. Performed the resize using GParted. Created a ...