Questions tagged [mbr]

Master Boot Record (MBR) is a type of boot sector popularized by the IBM Personal Computer. It consists of a sequence of 512 bytes located at the first sector of a data storage device such as a hard disk.

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Reinstalling or resetting Windows 10 using the cloud when MBR corrupted

I have seen in many links that Windows 10 can be reinstall or reset using cloud. Can it be done, when MBR is corrupted? When MBR gets corrupted, most of time we get puzzled in various steps. ...
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How to fix not enough space when trying to convert to GPT from MBR without losing data?

I have a nearly 1TB Ext. Hard Drive which has 2 partitions: One which is about 350GB with 250GB already taken up (FAT32), and another which is roughly 580GB with no space taken up (NTFS). I need to at ...
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Grub doesn't recognize Windows 10 partition after a auto-boot repair of Windows

The question seems duplicated, but I really convinced it isn't! My PC was unstable and I needed to remove some peripherals. Additionally, I have one SSD (with Debian 9 and Windows 10 - bootloader ...
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Installing Windows 10 without losing data

I have a 750 GB HDD with two partitions. One partition has 550 GB with my files so I want to save it. The other partition had Windows 7 on it. So I booted Windows 10 from USB, formatted the Windows ...
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Dual boot Windows 10 partition has become non-bootable. How can I make it bootable again?

I have a Dell Precision laptop with Windows 10 Professional on a pair of partitions on the main (MBR, 480 GB) SSD. Under linux they show as /dev/sda1 (576 MB NTFS) and /dev/sda2 (43 GB NTFS). They ...
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Using Linux and dd to clone a FAT32 Windows partition to another, larger disk

PROBLEM: I currently have a 4GB disk with a single primary FAT32 partition that has Windows 98SE installed. The disk is almost full and I want to move the partition over to a larger 8GB disk. ...
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MBR to GPT without data loss without any tools

I was installing Ubantu on dual boot with Windows 10 and my disk type was set to MBR. 3 primary partitions and 1 extended. And one of the drive was empty i kept this purposely i thought i could use ...
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MBR and GPT Partition style

I have two storage drives in my laptop.A SSD and a HDD.I want to install windows 10 in UEFI mode on the SSD .The both disks are MBR partition style.so i'll need to convert SSD to GPT. Do i need to ...
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How can I install Windows 7 64bit on both MBR or GPT partition?

I want to make a multiboot usb toolkit with different versions of Linux and Windows. I've read that you can only install Windows 7 on MBR and Windows 10 on GPT (tell me if I am wrong). I found the ...
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unable to convert MBR disk to GPT error: main partition table overlaps by 33 block

I've got a MySQL DB running in EC2 that I've had to continually add space to the EBS volume, then grow it (using growpart/xfs_growfs). I finally hit 2TB and couldn't figure out why I could no longer ...
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What is the best way to move MBR and bootmgr to new drive (Windows 10)?

I have several hard drives in my desktop but only 1 has the OS (Win 10). Here is an image of my Disk Manager: Disk 2 (D:) is an old slow dying backup HDD. Disk 1 (G:) is a much newer faster (...
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Can I brick a laptop with UEFI firmware installed by letting software write to the first sector of my drive as to MBR?

Imagine I am working with some old OS installer that thinks that my drive uses first 512 bytes for managing partitions, and it writes to it its data. Can this corrupt my system in such a way that UEFI ...
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increased size of disk in a Virttual machine, but gdisk doesn't want to use the new space

I have a VM with a virtual disk (visible as /dev/sdb) with a size of 10G The admin increased the size of the virtualdisk to 60G. I rebooted the machine and see now, that the disk is bigger. root@...
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Dual boot (legacy Win 7 on MBR HDD) + (new Win 10 on new SSD)

We have old samsung laptop NP300V5A, it has legacy win 7 on hdd MBR. It's 8 years old and Windows loads for about 5 minutes after entering password. We must keep HDD data intact also. I bought SSD and ...
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Repair MBR of a remote virtual server

I want to preface my question by saying that I have very, very limited experience with virtual servers of any kind. Anyway, here's my problem. I inherited a virtual server with a 1TB disk, ...
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how do I make my SDcard formatable again?

I've accidentally formatted a SD micro card by overwriting it with zeroes. Now, I cannot do anything with it, can't copy files to it nor files from it. I have tried this: Quick and full format ...
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Which DISKPART volume do I select for MBR fix?

My Windows 10 system crashed on insertion of the power supply cable and now has alternating MBR and registry erros on reboot. I'm trying to fix the MBR on my 920 GB NVMe M.2 SSD. I've booted with ...
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How to wirte boot record to a new disk

I recently got a new laptop, I wanted to use my other SSD for my default OS and installed another windows 10 in this SSD, but now if I remove the drive that came with the laptop , my laptop does not ...
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Is it possible to install Windows 10 on MBR using UEFI?

I need to move Windows 10 from my HDD to my SSD but apparently I have to use a GPT instead of MBR. The real problem is: in this SSD I already have installed Linux in a second partition, so if I change ...
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Dual Boot Win 7 on MBR with Win 10 on GPT

I am currently using Windows 7 and want to install Windows 10 in a dual boot configuration. My Windows 7 disk uses MBR. My Asus motherboard bios shows CSM: enabled Boot Device Control: UEFI and ...
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What is the difference between 'LBA' and 'non-LBA' IDs in an MBR partition table?

In an MBR partition table, each partition entry contains a one-byte identifier that is supposed to describe what kind of file system is contained in the partition. The FAT family of file systems has ...
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What are all those partition table type in gparted?

I was just curious about what are those available partition table types in gparted useful for. Is there any reason to use them instead of MBR or GPT ? atari aix amiga bsd dvh mac pc98 sun
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What partition table use for a hard drive containing only media data?

I have a 250 GB hard drive that I'm going to use exclusively to store media data like videos, images and musics. I'm not going to load any OS on it. So I've completely wiped its content and it ...
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Restore partition. HELP PLEASE

I was having some problems with my bios because I got different hard drives, each in different partition tables, some in GPT and others in MBR. So I decided to convert all to GPT using MiniTool ...
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Do non-bootable data drives have boot sectors?

Possibly a stupid question here, but I'm wanting to confirm a small detail about hard drive workings that up until now I've just assumed. I understand that the 440-byte bootloader won't be present on ...
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Can I delete the EFI System Partition, if the disk I am using is MBR?

I am on windows 10 1909. I am converting my disk to GPT, and for MBR2GPT.exe to work, I cant have more than 3 partitions. On my drive, I have 4 partitions. One of them is a 524MB FAT32 EFI System ...
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Programmatically resize extended partition to fill the entire drive

After restoring a cloned OS image on a disk of arbitrary size (larger than that of the original image was captured from), I would like the extended partition in the MBR table to include all the ...
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Acronis True Image 2017: Cannot clone RAID0 disk to RAID1 disk properly. GPT issue (i guess)

I really hope for your help. I have a computer based on the intel server board motherboard S3420GP with built-in intel embedded raid controller 2. There are two virtual disks in the controller: — ...
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UEFI not seeing bootable drive

Recently upgraded on my servers from Ubuntu 14.04 to 18.04. After the usual amount of UEFI caused grub installation errors I eventually got the OS installed. However the UEFI doesn't see the drive ...
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Cannot boot Win10 from disk 2 while taking disk 1 with other Win10 out of computer. Dual WIN10 boot. Lack of EFI file?

I have two disk at computer and I installed two Windows 10 operating systems at separate drives. Unfortunately after taking out disk 2. I cannot boot windows 10 from disk 1. It looks like windows boot ...
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Centos/RHEL 7 - MBR with an extended partition > 2T

Studying for the RHCSA and I've been trying to find an answer to a question thats been stuck in my head... My understanding is for MBR you can have a total of 4 partitions which each cant be > 2TiB......
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Strange boot sequence after cloning drive Windows 7

I used NTIECHO to clone my Windows ssd. I've used this program many times without issue. This last time, it left an odd boot sequence on the source drive. Weird boot msconfig I'm assuming that I ...
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Is is safe to copy a partition bitwise between MBR and GPT partition tables?

Is there a fundamental difference between a GPT and MBR partition? I'm talking not about the partition table or the layout, I'm talking about a partition itself. Say I've formatted a partition to ...
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cancel disk while extracting in rufus

recently i want to make a bootable disk for my flashdisk. I've done this ton of times, but today while doing so my flashdisk is ejecting by it self. Rufus is stuck at extracting so i cancel the ...
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Encryption data

I have encrypted data. the MBR partition shows but I can't decrypt the data. What's the likelihood that the USB NAND flash experienced bit rot in the sector that stores the hash but still kept the MBR ...
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is bootloader and bootmanager same thing?

NTLDR in case of BIOS MBR is called boot loader. can we called it as boot manager? are these two things same? I never seen anything like BootManager while doing R&D on BIOS MBR but it came up in ...
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Fake HDD partition table fix

I bought cheap 1TB external HDD on aliexpress. They are writing not to format exFAT partition, because it will break. Inside, there is only 160GB old HDD. I tried h2testw to prove, that the drive ...
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Do I need WinRE partition? [duplicate]

I recently installed Windows 10 after my Windows 7 installation got corrupted (yes, my data was backed up). I used the command prompt available in the Windows Installation USB to reformat the drive ...
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Bootable USB with Windows Server 2016 not installing, loading after many attempts

Windows Server(2016) put on bootable USB not loading. Have tried to load from both mbr and gpt partitions. I am trying to load it on my Debian machine to turn it into a Windows Home Server 2016. I ...
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Windows Taking too long to be clean installed on ssd

I recently bought a Lenovo Ideapad 130 with No OS Pre-installed on it. It has a HDD and a 120Gb SSD installed on it. When i tried to install windows 10 on It, I figured out that it's taking too long ...
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No boot mode option in bios for Lenovo v470

My laptop (Lenovo v470) has a pre-installed Windows 7, but it doesn't start up and also startup repair doesn't work (missingosloader error). I want to re-install Windows 7 but all partitions are MBR ...
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Why do Windows and Linux leave 1MiB unused before first partition? [duplicate]

When partitioning from scratch a USB Flash drive (8GB or larger) under Windows (diskpart) or Linux (gparted, fdisk) as Master Boot Record with a single partition, that partition usually starts at byte ...
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How to fix “extended” partition in Windows 7?

I have created a (supposedly) logical FAT partition on an MBR disk, in the "extended" area using Linux. Afterwards, Windows (on the same machine) storage manager gets confused and doesn't see the ...
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Gdisk “Partition table is not currently in a valid state” when converting GPT to MBR

After converting from GPT to MBR with gdisk I get Partition table is not currently in a valid state It doesn't say what's wrong. A search turned up the following code: int BasicMBRData::IsLegal(...
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I dropped my Western DIgital Passport 2TB HDD. It shows up in Disk Management but as Not Initialized and Unknown

I dropped my Western Digital 2TB HDD Passport from around knee-height. When I reconnected it to my laptop, it showed up with the popup of Safely Remove Hardware. It is visible in Device Manager (as My ...
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Install Debian in dual boot with Windows GPT and MBR

I have a notebook with two hard drives, one is an SSD and the other is an HDD. I have currently Windows 10 and Windows 7 installed, the first one on the SSD and the second one on the HDD. I want to ...
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Converting from MBR to GPT on mac

I recently decided to finally upgrade my late 2010 Macbook Air (running 10.9.5) to High Sierra. To my surprise, I couldn't because the SSD was formatted with MBR rather than GUID. (I recently had my ...
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Does an SD card have an internal controller

I'm still confused as to how a host computer (Windows or Linux) communicates with an SD card. When we completely reformat and clear an SD card (for example using the Linux dd utility), does this ...
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487 views

Windows 10 Pro update: Unsupported Disk Layout for UEFI Firmware. Fix without reinstall? [duplicate]

I have a Windows 10 Pro installation that was upgraded from a previous Windows 8 install. When installing the latest Windows 10 upgrade, the update fails with the error "Unsupported Disk Layout for ...
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664 views

DISKPART: Can't delete extended partition

I was trying to convert my MBR disk to GPT disk using MBR2GPT. I first checked the partition list using DiskPart, and I saw there were 4 partitions: DISKPART>list partition Partition ### Type ...

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