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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BSOD, MBR corrupt, tried to fix using Testdisk on Linux dual boot, now nothing works
The short story is I received a BSOD from a Windows program. I then couldn't boot Windows. My system is set up with GRUB to dual boot into CentOS, so I booted into CentOS and attempted to fix the MBR ...
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What is the use of the [BOOT]/Bootable_NoEmulation.img file on several boot images?
I've seen a file called [BOOT]/Bootable_NoEmulation.img on several boot images, and always wondered what it's use is. Neither found a suitable magic number nor could Google help me so I ask here.
It'...
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Boot Windows 10 on a machine without UEFI after images were created from MBR and restored on GPT partition table in Linux
A 500 GB HDD that started giving signs of obsolescence had multiple partitions, including Linux Mint and Windows 10.
This is on a BIOS laptop (non-UEFI).
That HDD had MBR partition table. Because of ...
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Windows 10 Update to 2004 failure - Error: 0x80004005 - 0x60016
I've been trying for the last week or so to get Windows 10 to update to 2004. I've tried all of the common solutions (sfc /scannow, DISM restore, media creation tool etc).
After looking at the log ...
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Grub: execute other MBR (VeraCrypt)
I have
installed Windows and encrypted it with VeraCrypt
made a backup of the VeraCrypt MBR (actually everything up to the first partition: dd if=/dev/sda of=/some/file bs=512 count=2048)
installed ...
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Computer won't boot after uninstalling Ubuntu and reinstalling windows
Hello fellow Internet users,
So I decided to install Ubuntu, formatting my hard drive to do so, after a few months I decided to go back to Windows, so I formatted my hard drive and reinstalled ...
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Recover truecrypt partition without MBR + recovery disk?
I destroyed my mbr and have no truecrypt rescue disk. However, I do know my password and my encryption setup (e.g. hashing functions and ciphers used).
This happened after an upgrade to version 7.0a ...
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Recover data from Dynamic Disk (MBR) bigger than 2TB
Here is the situation: Promise Array FastTrak TX4310 with 3 disks (750 GB each) in RAID5. This comes to around 1500 GB of data.
Last week I had the idea of expanding the RAID with an additional 750 ...
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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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How to make a system disk image of windows 10 (GPT)?
I used to make a backup of my system partition (Win 7 MBR) with drivexml, so when something goes wrong I could restore my image along with progs and settings.
Now I got new ssd and installed win 10 ...
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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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Dual Boot: "Invalid partition table" & cannot boot into Windows 10 anymore
I recently re-did my system setup, having two separate SSDs because Windows usually tries to screw Linux installations up if it's on the same physical disk.
HDD layout
HDD0 | nvme0n1 | Samsung SSD ...
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Lost volume on external 4TB drive by converting from GPT to MBR
I am fully aware that i acted like a complete fool.
Situation:
I have Seagate M3 4TB external drive has one volume sized 4TB and containing 300GB of data. I converted it from GPT to MBR. The result ...
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Add EFI capability to GRUB2 on hybrid dual boot MBR type eHDD
I am trying to create a universal (BIOS/EFI) bootable USB HDD that can provide me with portable 32-bit & 64-bit ‘Windows To Go’ environments, together with a 64-bit Ubuntu-based distro and 64-bit ...
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windows showing black screen with cursor after installing Ubuntu
I have installed Ubuntu 16.04 LTS with windows 10 and during installation I selected windows partition as device for boot loader installation. After restating i got:
There is no option to boot for ...
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Is it safe to convert a MBR flash drive to GPT?
I just bought a new flash drive (128GB) and I want to partition it. I have run into problems (AKA windows not recognizing a second volume if I partition it) because it is an MBR drive. Are there any ...
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Set up dual boot Debian (Mint LMDE) Linux + Windows 8.1 **without** efi
The specifics is that in my case Windows 8.1 is installed not in EFI mode: so the partition table is in msdos/fat format and there is no efi partition.
Unfortunately:
All how-tos and manuals I've ...
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Windows 7 installation - setup was unable to create a system partition or locate an existing partition
I am trying to install Windows 7 from a bootable USB drive. I encountered the following error after selecting the partition to install Windows on:
Setup was unable to create a system partition or ...
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Windows 8.1 freeze on startup - Dell Inspiron 15 (7537)
I have a huge problem. (Sorry for my english) The day befoe yesterday I had a Dell Update shown up on my taskbar, I approved it, it ran, and after that I could not turn my laptop on.
When I try to ...
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Moving MBR on old HDD to new SSD
After running into some problems tonight (that I was able to fix), I discovered that during the Windows 8 installation, the MBR was placed on my HDD (running Windows 7) that was in the system at the ...
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Corrupted Windows 8 MBR, recovery disk's repair tools fail
I'm using Windows 8 64 bit on an ASUS N56 Laptop. I was attempting to upgrade to Windows 8.1 and the installation was interrupted. Attempted System Restore, which didn't work. Long story short, I ...
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Put linux on the fifth partition
So I have this quite "insane" partition scheme on my MacBook:
Kevins-MacBook-Air:~ Ingwie$ diskutil list
/dev/disk0
#: TYPE NAME SIZE IDENTIFIER
0: ...
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Possible HDD malfunction. Need help in diagnosing
Today when using my PC as I did for almost 4 years I experienced the following:
during opening new tab in Opera browser screen froze. Music (AIMP 3) continued to play for about 5 minutes and then ...
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Should I write the MBR to my SSD?
I'm planning to install a SSD soon, and I want to make sure I get all the boot time benefits. Right now, I have Windows and Ubuntu installed on two separate HDDs. The Windows drive contains the MBR. ...
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OS Missing? Messed up the MBR on Win7 64-bit
I have a Windows 7 machine with two hard drives: a 1TB C: drive and 500GB J:. I had Windows XP installed on C: and Windows 7 installed on J:. I installed Windows 7 after Windows XP from an installer ....
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Fix MS-DOS MBR Without DOS Boot Disk
How can I restore the MBR for MS-DOS without having an MS-DOS boot disk or floppy drive. Ideally, I would like to be able to do this from a Windows 7 Win PE disk. The only solutions I've found online ...
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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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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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Possible to boot OS originally installed MBR after converting disk to GPT?
I have Windows 10 and 7 on my hard disk. I installed Windows 10 on a partition on the disk, GPT, converted the disk to MBR, installed Windows 7 on another partition, then converted the disk back to ...
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The ACTIVE command can only be used on fixed MBR disks
I installed Ubuntu as a Dual boot, the webcam did not work so I tested several solutions that I found on the web, when they failed and I made a restart to the OS, I got a message /dev/sdb7: recovering ...
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How can I solve this MBR2GPT (Cannot find OS Partition) Issue?
According to How can I migrate a Windows 10 from BIOS/MBR boot to UEFI/GPT without reinstalling? I can convert my system disk to GPT without reinstalling and losing data using the MBR2GPT tool, ...
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MBR2GPT validation failing
Same issue as:MBR2GPT: Disk layout validation failed for disk 0
I've tried all of the solutions here. This is my diskpart and MBR2GPT log. This is my Disk management window. As you can see, I have ...
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MBR2GPT Not Working - Can Not Find OS Partition(s) for Disk 3
I'm trying to convert my system to UEFI to get ready for the Windows 11 release.
When trying to use the 'mbr2gpt /validate' command in cmd its telling me "Can Not Find OS Partition(s) for Disk 3&...
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Windows Disk Management: disk partition is disabled
There is an HDD (WD10EZRX SATA 1 TB). Partition style: MBR. It is divided into three partitions. Two small and one large main partition. For some reason, this main partition is not available. It is ...
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Safe to delete or shrink old MBR System Reserved partition after conversion to GPT?
I've seen similar questions before, but never have I seen anyone seem to recognize the difference between the MBR and EFI boot partitions, so I'm asking fresh.
Basically, I just converted my disk to a ...
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Cannot boot into any OS any more after bcdedit
I have a dual boot on my Dell laptop, Windows 10 and Kali Linux. During the weekend I did not boot into Kali since I use it just for work. I stayed on Windows because of gaming. There have been a ...
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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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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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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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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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Unbootable KVM guest
I've tried to shrink the root partition of a KVM guest. I managed to shrink it without data loss (as far as we consider only the data inside it, that is), but now the system does not boot anymore.
It'...
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How to restore Windows partitionon a new storage and make it bootable from Linux?
For a few years I created a backup of one partition of my old HDD. I also created a backup of MBR of the HDD.
The partition list of the HDD was as following:
Device Boot Start End ...
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Gparted implicitly converts protective MBR to hybrid when creating a NTFS partition
Gparted is implicilty converting my protective MBR to a hybrid MBR without asking me and without telling me, thus breaking everything I'm trying to do (making a NTFS partition that's accessible on ...
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Can I re-initialize a disk changing between MBR/GPT without losing data?
A Windows 10 PC started today with a black screen "Preparing automatic repair" on loop. Then somehow Windows started but one HDD was missing.
From Disk Management I can see the HDD, but as an ...
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bcd file ignored but partition is active
I cannot boot windows 10 after the latest update. The update took ages, then I got stuck at boot on a screen called "windows rollback" on which I tried to restore to a previous version without success....
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After mbr2gpt conversion, Windows 10 system cannot boot
Before I ran mbr2gpt my Windows 10 PC had MBR partition with two volumes: one System Reserve partition (2G), one OS partition(236G). After I ran
mbr2gpt /convert /disk:0 /allowFullOS
A third ...
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Change MBT into GPT on Veracrypt disk possible?
I have a 2TB Seagate internal 2.5" disk, and created 2 partitions:
100 MB unencrypted partition
1800 MB Veracrypt encrypted partition
The partition table on the disk is MBR. I put the internal disk ...
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Internal GPT formatted hard drive is recognized as MBR
I formatted a 8TB Seagate IronWolf hard drive via an external USB enclosure. It worked fine: Windows 10 recognized both GPT partitions:
Partition 1: GPT, 128 MB
Partition 2: GPT, 7451 GB.
But when ...
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How to make a cloned OS drive bootable?
I had the misfortune to use EaseUs to clone the OS drive from MBR to GPT using the clone option, not by using the clone system option. The old drive (RAID-0) still works as system drive for Windows 7, ...
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Install Windows 7 on mbr hard disk with UEFi firmware
I have a Toshiba and I want to install Windows 7 on it. My firmware is UEFI. I have disabled the secure boot and I have enabled the Legacy support.Before the installation of Windows 7 i have ...