Questions tagged [mbr]

master boot record (MBR)

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Can't resume from hibernation - glitched screen

I have Ubuntu installed on a USB drive. I don't use UEFI since I wanted to use this USB drive on other PCs. When I try sudo systemctl hibernate, my laptop hibernates. When I try to resume from ...
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35 views

About the new 20.04 network installer

It seems that with the release of 20.04, the good old network installer has been thrown to the trash for some strange reason. I tried to test the new one which is the live-server installer actually. ...
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1answer
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3TB HDD in legacy BIOS or EFI?

How do I mark the unallocated space as bootable? ubuntu@ubuntu:~$ ubuntu@ubuntu:~$ sudo fdisk -l | grep Disk Disk /dev/loop0: 1.93 GiB, 2049204224 bytes, 4002352 sectors Disk /dev/loop1: 27.9 MiB, ...
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1answer
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MAAS No MBR magic after deploy Ubuntu

I have tried to deploy the Openstack-base bundle from juju, and I've tried straight deploy Ubuntu 18.04 from MAAS. After the bare metal hardware goes through the full intall of Ubuntu, when it reboots,...
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51 views

Installing Boot Manager on external HDD

I have installed Ubuntu on a 500 GB partition in a 1TB external HDD. Setting boot order to USB first didn't work. Edit : I have used Ubuntu Desktop 20.04 (beta on 22.04.2020) My Laptop has BIOS not ...
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114 views

Dual boot: install Ubuntu 18.04 alongside Windows 10 - Windows MBR partition - Neither boot - System BootOrder not found

I just tried to dual boot install Ubuntu 18.04 alongside Windows 10 over my hp laptop. The process was a failure. The laptop is not booting. The error massage is: System BootOrder not found. ...
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windows7 ubuntu dual boot issue partition table

[Hi, I installed ubuntu 18.04.4 LTS after Windows7. I had freed up some space from 2 different windows volumes and shrink both to have around 104 gb of unallocated disk space. Then I instated ubuntu ...
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1answer
17 views

Questions viz. UEFI enabled post Ubuntu Mate installation while the Partitioning is still MBR

If 'UEFI Boot Support' is enabled in BIOS (was previously disabled) and if the 'Partitioning' is still 'MBR' then: Would the OS boot? If it boots, would there be any performance improvement? Are ...
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31 views

My linux disappear after instaling windows

Please, help me, I really need it. I have laptop Lenovo Legion y530H, it is quite problematic laptop for linux but I installed it with official guide. Laptop has 1000Gb hdd and 256Gb ssd. I used ...
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1answer
369 views

grub “unknown filesystem” when trying to install windows

Someone sold me a computer that used to run ubuntu (16.04?). I am trying to install Windows 10 on it (NOT dual boot) The original owner removed (reformatted?) the partitions before handing it to me ...
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Will reinstalling GRUB reinstall a boot-loader in my MBR?

I had 7 partitions for a dual boot Win7 / Ubuntu18.04: sda1: Microsoft stuff sda2: Microsoft stuff sda3: Microsoft stuff sda4: /boot sda5: / sda6: /home sda7: swap I deleted my windows and turned it ...
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Force Ubuntu Installer to use only MBR — no EFI

I have a UEFI-capable 64 bit system, but the existing Windows 7 is MBR. I want to dual-boot with either Ubuntu 18.04 or 19.10 (don't care which). The GUI install (bootable DVD) works fine in legacy ...
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27 views

Instaling a second linux system on MBR drive

Here is what gparted show: dev/sda a dev/sda1 linux_swap dev/sda2 linux #1 (alt linux) dev/sda3 linux#1 home dir dev/sda4 free space How should I install linux 2 (ubuntu) so that I could use ...
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126 views

Windows 7 always goes into recovery mode in dual-boot setup

After replacing my very old Ubuntu system with a fresh installation of 18.04.3 LTS and running the usual system updates for the also installed Windows 7, starting both OS from the grub menu is no ...
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59 views

MBR repair tool

I have a dual-boot configuration with Windows 8.1 and Kubuntu. Apparently Windows did some changes and now I can't boot Kubuntu anymore. I started Kubuntu from the usb disk, but I didn't find any ...
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73 views

GRUB wont load dual-boot Ubuntu after post-installation update

I am new to Ubuntu. I have tried to install Ubuntu 18.04 along side with Windows 10. I have an all-Windows drive (/dev/sda) and another drive (/dev/sdb) with an 8 GB swap partition on /dev/sdb1 and ...
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122 views

Grub Boots into Windows 10 Only When Exiting Grub Terminal

I have Ubuntu (18.04) and Windows 10 (May 2019 Update) installed on separate hard drives. This works, in a manner. Without entering the grub menu my system boots into Ubuntu. I can use Grub2 to boot ...
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91 views

Unable to Format the SDHC disk from Diskpart and Ubuntu terminal cmds

unable to format the sd card or erase the data on SDHC cards I already tried to delete the data using Diskpart utility and i also tried to delete the data as well as remove the existing partition ...
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where can I get a copy of lilo mbr image now?

Package lilo used to ship its own version of MBR (which is superior than MS' BTW), but not any more now: $ dpkg -L lilo | grep -i mbr || echo not found not found So where can I get a copy of such ...
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0answers
40 views

Help me install Ubuntu 18.04 (No root file system is defined error):

I want to install Ubuntu alongside Windows 10. I use Legacy BIOS partitioning and my disk partitions are MBR. /sda1 NTFS Primary Boot Windows 10 104 GB total 33 GB used 71 GB free /sda2 NTFS ...
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130 views

Cannot boot ubuntu 19

I have been Ubuntu on my Thinkpad t580 for quite some time now. Ubuntu 19 is the only OS installed. However, after restarting my computer today Ubuntu doesn't boot. It opens up BIOS's select boot ...
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2answers
1k views

move system to new SSD with dd command

The question is quite simple. I have search for an answer for a while but not sure I got the correct answer. Since mistakes could easily destroy my drive and data, I really want things to be clear. ...
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1answer
420 views

GRUB Doesn't detect windows: Disk is MBR but booting via UEFI [duplicate]

I dun goofed. I thought my Windows was booting using UEFI, and I installed Ubuntu using UEFI. But now I think my Windows was booting using MBR, and GRUB can't detect it. I'm confident the disk is MBR:...
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0answers
32 views

Is there any benefit in using UEFI GPT instead of Legacy MBR? [duplicate]

Is there any benefit in using UEFI GPT instead of Legacy MBR? Many thanks in advance!
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1answer
756 views

Combining UEFI Ubuntu with MBR Windows

After searching the internet for quite a while without finding a satisfying solution, I decided to ask a question here myself. I'm running Windows 7 and Ubuntu 18 in a dual-boot system on my computer ...
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1answer
110 views

Installed Kubuntu in external SSD and now I can't load Windows without it [duplicate]

I have a computer running Windows 10. Because I wanted to use an Ubuntu based OS, I installed Kubuntu on an external SSD. I have a Lenovo y50-70 laptop, which has a button (next to the power button) ...
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1answer
319 views

How to create disk partition starting at 128 sector?

I have accidentally lost partition table after inserting my USB flash to some faulty computer. For this flash testdisk can't find anything and says that Partition sector doesn't have the endmark ...
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1answer
278 views

how to install ubuntu 18.04 alongside with windows 10 with mbr disk partition

tried to install ubuntu 18.04 alongside with windows 10 but i can't make disk partition that recognized by ubuntu when i tried to make the installation, I tried through windows and also through ubuntu ...
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61 views

Forced UEFI Installation [duplicate]

While trying to dual-boot Ubuntu 16.0.4 in my HDD (My laptop also contains a SSD), I ran into a 'Forced UEFI Installation' error. The error message reads: This machine's firmware has started the ...
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0answers
63 views

GPT HDD is only writable when formatted with NTFS, is read only with EXT4

I have a 1TB sata gpt hdd that I removed from an apple time capsule and I am attempting to use it with Xubuntu 18.04. It initially had HFS+ partitions on it however I wiped those and made the whole ...
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1answer
2k views

How to create a GPT partition from Ubuntu [duplicate]

I have different partitions on my computer: Device Boot Start End Sectors Size Id Type /dev/sda1 2048 623128575 623126528 297.1G 7 HPFS/NTFS/exFAT /dev/sda2 ...
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Overwriten GRUB partition

I have a following issue : http://paste.ubuntu.com/p/7YBzbVhhZw/ I have probably made swap on sda1 partition, where had been bootloader and it is not working anymore. I cannot manage this by any ...
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1answer
208 views

Cannot access Windows 7 after installing Ubuntu

I am new to Linux and I had Ubuntu installed using some instructions I found on the internet, I got my drive partitioned and once I had it installed, I can't find my Windows 7.
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1answer
86 views

Free space selecting problem

When I select free space, I can't click on + or change or anything and can't create anything. I have created my free space from tutorials. $ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT loop0 7:0 0 ...
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322 views

How to restore booting on second Ubuntu-SSD after removing Win10-SSD from dual-boot system?

Most questions and answers I’ve seen so far (like this one) are addressing solely booting problems after removing one OS from systems with a single SSD/HDD, but multiple partitions. In my case, each ...
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1answer
418 views

Dual boot system (Windows10-Ubuntu 18.04) on Uefi pc? [duplicate]

I own a Aspire E 15 laptotp where I installed Ubuntu 18.04 because I fell in love with this OS. I later discovered that games doesn't run very well on this system because they are simply not designed ...
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1answer
135 views

To create a dual-boot system: which OS should I install first? [duplicate]

I want to reset my laptop's hard-drive and create a dual-boot system, using both Windows 10 (for gaming) and Ubuntu 18.04 (for everything else). Currently my PC uses Ubuntu 18.04 as sole operating ...
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1answer
58 views

Is Ubuntu Server able to boot partitioned as MBR?

I have a modified Dell Inspiron 530 (A Legacy Model) and I cant seem to install the server on it. Anyone able to help? If there is a way to get it to work, give me (relatively) dumbed down answers, ...
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0answers
45 views

I have Windows 10 on C drive - Can I install Ubuntu on another drive and dual boot? [duplicate]

I am trying to install and dual boot Ubuntu on my current system which has Windows 10 installed. I can't install Ubuntu on my C drive because I already have 4 primary partitions on the Hard drive (...
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3answers
5k views

Convert Hybrid GPT/MBR to pure GPT partition scheme

I was wondering how to safely convert a Hybrid GPT/MBR to a pure GPT partition scheme? (Without Reformatting) The reason why I ask is, I currently triple-boot with Ubuntu 16.04 LTS, Windows 10 and ...
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1answer
104 views

How do I move my / partition without moving my /home?

I had one (Ubuntu) partition with /home and everything else. I wanted to separate my /home onto a new partition, but due to the size of it compared to the rest of the data, I tried to move my / to a ...
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0answers
455 views

Partition table damaged after windows update

Yesterday I've let windows 10 update but on restart grub was showing "unknown filesystem". After trying all solutions I've found on the web for that issue, I've used Ubuntu Live to fix that and now ...
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0answers
52 views

Unable to install new OS (Possibly MBR related)

I am trying to make my system dual boot. I am currently using ubuntu 16.04 and my linux kernel is 4.15 . I use an asus laptop (year old model) although it says "Asus Bios Utiliy" i am pretty sure this ...
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0answers
4k views

Convert ubuntu 18.04 MBR to UEFI boot

have my ubuntu 18.04 booting in MBR mode. How can I convert it to boot UEFI with Secure Boot without having to reinstall it?
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0answers
598 views

Remove Old Operating System from Boot List

I was trying several Linux Distros. I finally decided to install one and completely wiped the disk that had the linux distros on it. Now in Bios the boot Manager tells me of an old distro no longer ...
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2answers
2k views

Execute Windows MBR repair on Ubuntu disk by mistake

I got notebook with broken Windows booting and I have found some tricks how to repair it. I copied CMD from web and paste it to terminal. Imediately after pasting the CMD it executes with wrong disk. ...
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1answer
939 views

How to keep the Master Boot Record when installing Ubuntu alongside Windows 10? [duplicate]

Recently I tried out Ubuntu in a virtual machine, and I really liked it. I want to install Ubuntu alongside Windows 10, but because Grub overwrites the Master Boot Record, I'm scared that I might not ...
4
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2answers
28k views

MBR or GPT partition when making ubuntu bootable live usb

I just want to clarify. When making the ubuntu live usb using Rufus, do we select: GPT partition scheme for UEFI MBR partition scheme for UEFI I currently have windows 10 pro installed and would ...
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2answers
773 views

How do I convert a MBR drive (encrypted LVM or unencrypted LVM) to GPT in Ubuntu?

The Ubuntu installer defaults to a MBR drive setup when a UEFI BIOS isn't detected (such as when the hardware doesn't support EFI/is too old). It still uses LVM as the automatic partition scheme. In ...
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1answer
764 views

Sudo dd is a directory

I am trying to backup the MBR to a folder called MBRbackup under /etc directory. When I run the command: dd if=/dev/sda of=/etc/MBRbackup bs=512 count=1 I get the the message: dd: failed to open '...

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