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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How to make MBR HDD bootable in UEFI mode?
I have a PC that does not support booting from internal MBR HDD. Currently, it seems only to support booting from GPT partitioned HDD in UEFI mode. It does support booting from external MBR HDD if I ...
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Preserve Windows partitions when computer is not booting from HD and MBR2GPT fails?
On attempting to install Ubuntu alongside an existing Windows installation on the same hard disk, the Ubuntu installer created a mix of MBR and GPT partitioning scheme, and UEFI/BIOS don't find any ...
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How does one convert LBA to CHS with regards to USBs whereupon the format is inapplicable?
I should like to manually write the partition table of the MBR (master boot record): the first sector of a drive.
Bytes 2 through 4 require one to find out the CHS (Cylinder-Head-Sector) Address. But, ...
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Windows 10 Pro restored onto mismatched gpt and mbr partition
I am a Linux guy for years. My wife, on the other hand, is a Windows person. Two months ago her W10PRO seemed sluggish. In the end her ssd (480Gb) was questionable. So I did a Clonezilla backup image. ...
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Can I restore a Windows 95 MBR using a Windows XP installation disk?
If I have Windows 95 installed on a temporary, secondary, FAT32 drive (which needs to go back into its original machine), can I repair its MBR using a Windows XP installation CD ROM?
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Four partitions on MBR disk
I have four partitions on an MBR disk:
Boot
Win 10 OS
File Storage
WinRE
I have a need to install Windows 10 on the third [File Storage] partition, but I have an error that states Windows on UEFI ...
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MBR to GPT; 25GB Factory Recovery partition for windows; ASUS laptop
I have an ASUS laptop with a 25GB factory recovery partition of 64bit windows on MBR disk drive. Since this partition contains the image of windows 64bit which should support UEFI and GPT, will I be ...
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How to view the MBR table and GPT table themselves (not how to check if partition type is MBR or GPT)?
I am trying to understand what exactly are MBR and GPT and so far what I have learned is that they are "tables". So to understand further, I would like to see those tables to see how they ...
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Why does the OS boot from ext4 on a particular PC only?
I've installed Manjaro on a USB stick to carry with me. However, I can boot from it only on the machine I used to install. On other PCs, the BIOS or UEFI does not recognize the drive as bootable.
The ...
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Does updating GPT attributes wear out UFS quickly on a UFS (Universal Flash Storage) drive?
I am planning to use some part of the GPT attributes to do some sanity check for an embedded system. It will update/rewrite the attribute for each boot. I am a bit worried that doing so may wear out ...
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How to verify my PC is legacy BIOS with no support of EFI?
I want to verify that my old PC is legacy BIOS/MBR only. (Note this is dual boot).
My motherboard is Gigabyte Technology GA-890-FXA-UD5. Checking msinfo32.exe it reports.
BIOS Version/Date Award ...
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How can I migrate a Windows 11 from MBR boot to GPT without reinstalling?
At start, i wanted to do it by myself, but any guide that i found just doesnt work.it turned out to be a small problem at first, all I had to do was create an efi partition on my system disk, but in ...
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I'm having trouble in resetting my Windows 10
I wanted to reset my Windows with keeping the personal files. But during the half process it shows unable to reset this PC. So I thought of clean installing the Windows 10. What I want to know is that ...
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Error during installation of Windows
I have installed kali and Linux mint together and then I decided to install Windows 10 on my 2nd HDD. I made a bootable USB with ventoy. When I try to install, it says Windows can't be installed on ...
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How can I re-install Windows 10 on a GPT drive?
My motherboard is GA-970-UD3 with Phenom II x4 955
NVIDIA GeForce GTX 960
I have just fitted a 4Tb Seagate Barracuda as my 1Tb Barracuda had failed after around 6 years.
12 gig memory (3 x 4gig all ...
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Why does boot.ini work with `partition(1)` but not with `partition(2)` when Windows is actually on partition 2?
I have an MBR drive with a Windows XP installation on partition 2, which boots using a boot.ini entry that specifies patition(2). The partition table initially looks like this:
1. Windows recovery ...
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Unable to boot on old PC from Windows 11?
An old PC (MSI P6NGM, Intel Quad Core, 4GB RAM) is unable to boot into Windows 11 installed on a SSD (MBR). The BIOS says, that operating windows cannot be found. I have made sure, that correct ...
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"Selected boot device failed. Press any button to reboot". gdisk shows disk with both GPT and MBR after converting back from a Windows dynamic drive
When trying to extend a partition from my SSD (which contained my Arch Linux partition), Windows converted it to a dynamic drive, which messed up my GRUB boot since apparently Linux can't read dynamic ...
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Mounting RAID0 system with an Intel Controller with Linux
I have two 512GB SSDs setup as a RAID0 on a laptop with a Intel RAID controller. I was running Window 7 Pro on it until I messed up the MBR in the RAID by installing Window 10 and Linux Mint on a ...
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I converted a windows 10 64-bit dynamic disk to basic disk and now it will not boot
I converted my dynamic disk to basic using Aemei Pro, and when restart I get blue screen error message 0xc000000e.
Following advice on this help page, here:
https://www.aomeitech.com/forum/discussion/...
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Cloning a C drive - boot partitions
I have a small C drive with W10 on it on Disc 0, and a D drive with data on it on Disc 1.
I want to move C to a partition on Disc 1 and test Ubuntu on Disc 0.
Both discs have a recovery partition, and ...
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Windows 10 won't boot, primary partition has become RAW
My Dell 5559 laptop shutdown suddenly due to power outage. After that, when I tried to turn it on, it gave an error:
A disk read error occured
Press Ctrl+Alt+Del to restart
I have been looking at all ...
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Misconception of MS-DOS booting process?
I was using the latest version of Rufus (more precisely, Rufus 4.1.2045 Portable) to createa a bootable MS-DOS USB drive. This works well, after booting, the ver command shows the following.
Windows ...
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How to boot a Windows 98 disk image restored in a larger disk?
Let me explain what I did in detail:
found that the Samsung 1.6GB IDE HDD in a Windows 98 PC (Pentium 200MHz) was failing
detached it and dumped it using gddrescue through a slightly newer PC running;...
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Use MBR instead of GPT for system partition
I am really tired of fact that no linux boot cd can be used with Windows 10 GPT partitions, i am considering to simply use MBR instead for my OS partition and others, is this good idea, performance ...
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Is it possible to format a 16 TB external hard drive in the file system FAT32?
I've been trying to format a 16TB external hard drive in the file system FAT32 so that it would work on a PS3 and I quickly realised that windows won't allow me to format the drive completely. I ...
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Cannot boot after failed Fedora Dual Boot installation with existing Windows 8
I have a laptop that came with Windows 8 installed on one HDD with two partitions:
C: (where Windows 8 is installed)
D: (where my personal data is)
The OS was installed with a BIOS boot (MBR).
I ...
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how to create a partition after windows10 installation
I need to create a partition to keep some drivers (preferably at the end of the disk/ssd); I'd shrink the data partition and then created a new one using the UI and the following steps:
New simple ...
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Can you view the BCD store and determine if the system is using the MBR or GPT?
Can you view the BCD store and determine if the system is using the MBR or GPT partitioning system?
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SSD can't be initialized or mounted but CAN be booted from. How to fix?
I have an NVMe SSD that has been initialised, partitioned, and formatted using Ventoy. After doing this it became inaccesible from both Windows and Linux systems, but I can boot from it (as long as I ...
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VHD with no boot signature 55AA
I have a VHD sample which does not have the mbr boot signature of 55AA at offset of 510.Usually when I am creating VHD sample on Windows 10 using diskmgmt, it is assigning this boot signature as soon ...
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How to add MBR to existing UEFI USB boot device [duplicate]
I have some old legacy laptops that allow UEFI booting from the hard drive, but not from a USB flash drive. My everything flashdrive is UEFI only. Can I add MBR booting on my flash drive without ...
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BSOD after update, now crashes if a specific HDD is plugged
I was getting a bootloop with "automatic repair" I finally managed to fix it by leaving only my OS ssd plugged in and booting to windows, then it showed a "something went wrong rolling ...
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Why does a GPT formatted disk have the MBR? Protective MBR
Could you explain how Protective MBR works? As far I know, Protective MBR uses for backward compatibility with old software that was used for MBR. But how those programs see the disk? So, if you use ...
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Boot Problems: Windows 10, 1234F: Prompt, NeoSmart and SecureBoot (UEFI)
My issue is different from the other people who have had this issue.
I used to dual boot Windows 10 and Debian 9. A Windows update changed the boot loader and I was unable to boot either. A NeoSmart ...
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How to hide a partition on an MBR-formatted SD card?
I have an SD card with MBR, and want one of the partitions to be hidden. I have tried setting partition types to 0x1B and 0x1C, but Windows 10 seems to ignore the "hidden" flag.
Is there ...
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Why the location for Partition entry in MBR doesn't contain partition entry?
I'm learning file system recently. wikipedia says the partition table is located at 0x01BE, but when I check my USB drive(NTFS) by a binary tool, there are some words there "Press Ctrl + Alt + ...
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Convert my drive from MBR to GPT
I installed windows 10 in MBR partitioned table.
Due to mistake, I delete c:/ drive data and want to install fresh windows but it requires GPT partition table whereas my D & E drive were in MBR ...
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Stuck on this MBR2GPT (Cannot find OS Partition) issue
I'm trying to use MBR2GPT to convert an MBR/BIOS disk to GPT/UEFI. I'm getting the error Cannot find OS partition(s) for disk 4. I found this in setupact.log:
2022-12-07 15:38:24, Info ...
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How can I know if my pc is 'MBR' or 'GBT'
when I want to install windows 10 on my pc, I burnt .ISO file on flash USB , as ' GPT ', but firstly my pc can not see it while installing windows, then I format it and burn it as 'MBR' , so that my ...
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Stuck on MBR2GPT issue
I wanted to convert my MBR Windows disk to GPT because I cannot upgrade to later Windows versions. Found the in-place upgrade tool (mbr2gpt) but running into multiple problems.
This is my Disk ...
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Boot a legacy BIOS OS on a GPT mass memory?
I installed Windows 95 (legacy BIOS OS) with DOSBox on a 64 bit PC, on a FAT32 partition (with (I hope) its PBR (partition boot record)) on a GPT hard disk, with UEFI Windows 11 and the ESP (EFI ...
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Recovering GPT table after failed volume merge
Background.
I shucked a 14TB wd drive. I didn't realize it was exFAT and I wanted NTFS security features (for what it's worth). Upon finding out exFAT was hard to convert and I only had 1.3TB used (I ...
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Can't use or install Microsoft Windows after changing disk to GPT partition style to use Linux
I am having some trouble installing Windows or using it, originally I had an MBR partition table which only allowed three partitions and I wanted to install Linux and I couldn't so I changed MBR to ...
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How do you restore a GPT partition to a legacy bios device?
I have a UEFI computer with a GPT-partitioned drive. On this drive there is an EFI system partition, a second partition with a bootable Ubuntu system, and lots of unallocated space. I'd like to ...
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Fdisk outputting seemingly absurd CHS values
Take the following fdisk input:
o # Create DOS/MBR partition table.
n # Create new partition.
p # Partition type
1 # Partition ID
2048 # Starting sector
+4M # Ending sector
t # Assign ...
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How to restore MBR of Windows (10) if I have a clone of the disk? (restore the MBR only)
All the search results explain how to attempt to fix a broken boot record without a backup.
I have a backup. I have a clone of the whole physical disk (not just the partition). Due to reasons, I don't ...
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Windows no longer boots after converting boot disk from MBR to GPT and back to MBR
First my system (as it is now):
Gigabyte Z690 Gaming X DDR4 (BIOS Version F8b)
Intel i7-12700F
32GB Corsair memory
Windows 10 Pro with all updates
Samsung 840 EVO 250GB (as boot drive)
Samsung 870 ...
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Does right-click Format option remove MBR from USB flash drive?
As I can understand, if we format a USB flash drive by Rufus and copy to the drive Windows ISO files by Rufus, later delete all the ISO files from the drive by Del key, the drive would be still ...
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Recover data from a GPT Protective Partition
I have a 7TB internal HDD that I have been using on my laptop via USB using a docking interface. Now I am trying to use the HDD on a PC as internal storage (via SATA). However, Windows 10 does not ...
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