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Questions tagged [mbr]

master boot record (MBR)

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14 views

Make EFI boot from MBR without reinstalling [duplicate]

How I can make SSD to boot by UEFI, while it MBR partitioned now? I guess I need to create EPT partition, then reinstall grub. But please give me certain instructions, as I don't wont to break ...
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0answers
54 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
25 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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0answers
11 views

Grub isnot updating with win7 & ubuntu 18LTS

Hello I had ubuntu & windows7 installed in my system. Today i reinstalled my ubuntu 18Lts to it . since now cant access my win7 menu from bootloader. Its directly booting to ubuntu.I tried to grub ...
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1answer
51 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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28 views

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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2answers
124 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
77 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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0answers
29 views

Ambigous partition table doesn' t let me partition a storage drive

I was trying to partition a storage drive which was worked on in Windows 7, and when I tried starting GParted, I received: /dev/sda contains GPT signatures, indicating that it has a GPT table. ...
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0answers
95 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
296 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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0answers
24 views

Switch partitions from MBR to GPT [duplicate]

I've using Ubuntu as my main OS for a while, and currently it's the only one. Now I want to install Windows in dual boot, but my disk is formatted in MBR and I can't install Windows 10. I tried every ...
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1answer
60 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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0answers
103 views

Recover original MBR of harddrive/partition

Okay. I've got several years of experience in Linux so I'm not actually a newbie. I've used Linux Mint for several years and am now using Ubuntu (same HOME-partition). My computer consists of 3 ...
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0answers
26 views

Cannot boot into Ubuntu 16.04 which has just been installed

I installed Ubuntu 16.04 LTS as the only OS on an HP EliteDesk 880 G1 desktop computer using a USB bootable stick. After the installation completed, I was asked to reboot the computer. When the ...
1
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1answer
57 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
39 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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2answers
777 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 ...
0
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1answer
83 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
14 views

Windows Boot Manager disappeared after using fixmbr and after removing Lubuntu

How and why did this happen, and how can I fix it? I go into bios, the HDD with windows is detected, but has no boot manager. A Live windows USB doesn't fix it with startup repair and I'm completely ...
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0answers
258 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
47 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
2k 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?
2
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0answers
331 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
864 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
536 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
11k 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 ...
0
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1answer
434 views

How do I convert a MBR drive (with LVM) to GPT in Ubuntu?

The Ubuntu installer defaults to a MBR drive setup when a UEFI BIOS isn't detected. It still uses LVM as the automatic partition scheme. In Fedora there's a way to force the installer using a boot ...
0
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1answer
341 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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0answers
34 views

after installing Ubuntu 16.04 LTS now windows doesn't see my HDD

after installing Ubuntu 16.04 LTS now windows doesn't see my HDD so please give me the solution to go back to windows Please
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0answers
98 views

Does upgrading affect the MBR?

I am planning to upgrade my existing Lubuntu 16.04.3 LTS installation to 17.10.1. (And for those who wonder, I am just doing so to have the latest features and, yes, I'll upgrade to 18.04 LTS when it ...
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2answers
109 views

In 2018 and with Ubuntu 16.04 installed, can I still make a backup of the MBR with dd?

A few years ago I used to backup the MBR of a (now old) laptop with: dd if=/dev/sda of=mbr_63.backup bs=512 count=63 Well, this was the first 63 sectors, a bit better than the MBR only, I think. ...
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0answers
332 views

UEFI not seeing SSD

After installing Ubuntu alongside windows 10 (windows 10 on one SSD, Ubuntu on the other SSD), I modified the MBR via my Windows following instructions online, I cannot remember why I was modifying my ...
2
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3answers
8k views

Difference between Legacy BIOS and UEFI

Why are the terms MBR and GPT associated with Legacy BIOS and UEFI respectively?
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0answers
52 views

Cloning 16.04.03 MBR to GPT [duplicate]

Im trying to migrate a dual boot MBR disk to dual boot GPT disk (its a bigger capacity disk), an attain the new desired setup listed below. It is a triple boot setup, but only the dual boot MBR disk ...
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0answers
493 views

Uninstall Ubuntu and Fix Windows MBR

I need to uninstall my Ubuntu from my personal machine (because I already have it in my work machine and my Windows is now more necessary with the personal). I'd usually uninstall Ubuntu by deleting ...
1
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1answer
299 views

cli_scangpt: detected a non-protective MBR

I am running clamscan on my system with following command sudo clamscan --max-filesize=3999M --max-scansize=3999M --exclude-dir=/sys/* -i -r / received the message LibClamAV Warning: cli_scangpt: ...
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0answers
534 views

after running portable Ubuntu, BootMGR is missing

A few months ago I created a portable Linux(ubuntu 14.4 lts). uses it many times. but yesterday I faced a strange problem. suddenly my portable Linux crashed and after then an error message showing ...
0
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1answer
65 views

Wrong path when try to restore MBR with dd ! Any way to fix? [solved]

My laptop hawe 1TB hdd, with few of partition. Ubuntu is 125gb and hawe few others. I backup my MBR with command: dd if=/dev/sda1 of=mbr.bkp bs=512 count=1 Today, after some issues i try to restore ...
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0answers
25 views

Installing Windows 10 over ubuntu [duplicate]

I have only Ubuntu 16.04 LTS installed on my laptop. I now wanted to remove it completely and install windows 10. I tried it lot but it says the partition table is MBR type and window installs on GPT ...
0
votes
1answer
41 views

Ubuntu 16.04 bootload grub2 problem?

Ok, I have an internal SSD installed with Ubuntu 16.04 on it. Upon installation I deleted both partitions on both disks and installed Ubuntu on the SSD. I have a Lenovo V570 with the CD Drive replaced ...
2
votes
2answers
1k views

How do I take a backup of my Master Boot Record (MBR) and Partition Table (PT)?

I'd like to know how to: take a backup do a restore of all the MBRs and all the PTs of all my disks to a file so I can easily back them up using rsync or a comparable program.
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0answers
35 views

Install ubuntu in MBR single boot

Before marking my question as duplicate I'd like to say that days ago when my problem showed up until now I've been searching for a solution to it but it seems a special situation (at least for me) ...
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0answers
166 views

Installing and using Grub2 in free space after MBR

Note: I feel the two questions below are basic questions, however I could not find a clear answer searching the web. Background I would like to install Grub2 in some free space after the MBR. I ...
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0answers
1k views

gdisk Warning: Secondary partition table overlaps the last partition by 33 blocks!

I’m going to change MBR to GPT using gdisk but when I type: sudo gdisk /dev/sda I have a warning tell me: Warning! Secondary partition table overlaps the last partition by 33 blocks! You will ...
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1answer
430 views

Move a logical partition to a primary and change MBR to GPT without data loss

After long search, I havent find anything so ive decided to create my own post. This is a gparted screenshot: (https://i.stack.imgur.com/IdlCO.jpg) I have 2 question: How can I move my logical ...
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1answer
28 views

How to know if bootstrap changed [closed]

Worry if the virus changes grub2 in the first 446 bytes of disk where is grub2. If it get changed, how do i notice?
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1answer
238 views

Black screen with blinking cursor unresponsive keyboard

Removed my mbr because it was currupt​. I had intended to replace with an uncorrupted copy but after l removed it I just got a blinking cursor without​ ability access command line. Keyboard will ...
0
votes
1answer
904 views

Installation of Windows 10 alongside Ubuntu 16.04 LTS (32 bits) (Windows after Ubuntu) [duplicate]

I have Ubuntu 16.04 LTS (32 bits) installed in my Laptop (Lenovo Ideapad 300) and want to make a dual boot with Windows 10. The reason is that I need to use a software (Clip Studio Paint) which only ...
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2answers
699 views

Problems with content of the MBR file [closed]

I'm trying to look at the content of MBR file. I save its content to some file, for example mbr.bin: sudo dd if=/dev/sda of=mbr.bin bs=512 count=1 Then I use file utility: file mbr.bin. I expect to ...