Questions tagged [gpt]

GUID Partition Table (GPT) is a format for partition tables that was designed within the UEFI specification by Intel. It was designed as the successor to the Master Boot Record partition tables.

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MBR2GPT failing with "Cannot find OS partition(s) for disk 0"

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 0. I found this in setupact.log: GetOSDeviceVolume: Cannot get NT path for ...
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5 votes
1 answer
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Windows 8 Pro 64 bit GPT Protective Partition after restart

Note: I thought I had one problem regarding this topic, but that has since evolved. Below is the pared down version. After some problems, restarts, and a complete reinstall of Windows 8, my WD 3TB ...
mnadareski's user avatar
4 votes
1 answer
2k views

Is there a Powershell equivalent to Diskpart's "gpt attributes"?

I need to remake several batch scripts that use diskpart for partitioning in Powershell. One of them "hides" the Windows recovery partition thusly: select disk 0 select partition 4 set id=...
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Cannot repair bcd because the windows installation cannot be found

I'm trying to rebuild my BCD but my windows7 installation cannot be found. So far, I have typed these commands from the Windows7 install DVD (which I booted in UEFI mode) : X:\sources>chkdsk /r c:...
SebMa's user avatar
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3 votes
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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 ...
cipricus's user avatar
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3 votes
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Arch Linux on an external HDD GPT-Partitioned

I have an Alienware M14x-R1 and had an Arch Linux System installed on its 750Gb HDD, everything working fine, GPT-partitions (on BIOS, not EFI) and GRUB bootloader. Then I bought a new Corsair SSD, ...
Unknown-X's user avatar
3 votes
1 answer
1k views

Windows 7 + Ubuntu dual boot + conversion to GPT

I have received a new Lenovo T420 laptop with Windows 7. The disk now contains: a hidden SYSTEM_DRV boot partition (1.17 gb, 400mb used). I'm guessing this is the EFI partition, the laptop comes ...
nick_uk's user avatar
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2 votes
1 answer
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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 ...
Shahid's user avatar
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2 votes
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479 views

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 ...
user2132188's user avatar
2 votes
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GUID Partition Attribute not working on MacOS

I'm trying to prevent automount on a device. The device contains only one FAT32 GPT partition. I have set the GUID Partition attribute to 63 using gdisk (i.e. do not automount). I have also tried ...
Jean-Charbel VANNIER's user avatar
2 votes
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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 ...
k1ck4ss's user avatar
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2 votes
1 answer
300 views

1.5TB hard drive showing as 500Gb

I have a Samsung 1500GB hard drive (HD155UI) that started life as a external hard drive. It was later removed from its enclosure and placed in a gaming computer. After this, it was removed from the ...
Carel's user avatar
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Freezing Window install UEFI mode on a GPT Disk

I am trying to installing Create another dual boot system with Windows 7 and 10 on an MSI system (FM2-A75IA-E53) in full UEFI mode. Win10 on the 1st partition near the leading edge and Win7 on the ...
Rich Manson's user avatar
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5k views

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 ...
Ben Durham's user avatar
2 votes
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171 views

are there any steps available to cross compile gdisk?

We need gdisk(from gptdisk) for am335x based custom board. We are using Linux OS on the board. We need to cross compile it. Is there any guide for the same ? I am not able to find any guide for the ...
ART's user avatar
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GPT disk created in Windows 7 not properly recognised by Windows 10

I have an internal 3 terabyte WD Black disk that was set up as GPT (presumably?) and formatted with one NTFS partition spanning the entire disk under Windows 7. After upgrading to Windows 10, the ...
pent's user avatar
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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 ...
Andras Vincze-Nagy's user avatar
2 votes
2 answers
2k views

Can't see Linux fdisk created GPT disk partitions in Windows 7 (64-bit)

I just added 2 new disks (only for data, no OS booting) and had them set up equally with GPT and equal partitions, to use the partitions as RAID1 in Arch Linux, and the rest of the storage for Windows....
Christoffer Karlsson's user avatar
2 votes
0 answers
595 views

Windows install on GPT with multiple drives

I've got quite an interesting system configuration here, and I would like to install Windows 10 preview on it. I have 3 drives, out of which one is a SSD. They all have a GPT table. Drive 0 (the ssd) ...
sammko's user avatar
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Failure to create hibernation partition on GPT SSD boot drive

I've searched a number of forums and am surprised no one seems to have had the same problem as me. I have only one SSD (Samsung EVO) which is also my boot drive (UEFI, z97 board) for my desktop ...
Lynton Bell's user avatar
2 votes
1 answer
418 views

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: ...
Ingwie Phoenix's user avatar
2 votes
2 answers
4k views

How to restore a DriveImage Backup to a GPT-based system drive

I just bought a new laptop and was trying different things on it. I backed up my system partition with DriveImage XML and made a clean install of Windows to test something new. Later, when I tried to ...
John's user avatar
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Microsoft Azure OpenAI API - statusCode: 401?

Good evening, I am using the Microsoft Azure OpenAI service for a GPT interface. My script looks like this: $api_key = '7c96c21...'; $endpoint = 'https://openai24xyz.openai.azure.com/openai/...
David Simon's user avatar
1 vote
0 answers
139 views

Understanding why Windows boot fails when EFI partition is moved

Situation I got a new computer with a HDD. I put SSDs in it and made RAID1, then started installing Windows Server 2022. I wanted to use SSDs and a HDD for data. I noticed the HDD already had some ...
Kitet's user avatar
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1 vote
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grub2 cannot detemine new created nvme1n1

I add drive nvme1n1 GPT, add the partition nvme1n1p1 (ext4) Here some outputs: lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT loop0 7:0 0 55.6M 1 loop /snap/core18/2667 loop1 ...
ilw's user avatar
  • 145
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HDDs are displayed with 115.5 PiB Capacity after reboot

I'm running OpenMediaVault on a raspberry pi and added 3 new 4TB HDDs to the system. After a reboot all drives are displayed with 115.5PiB capacity and matching sector counts (253879390758563) - not ...
nightcoder's user avatar
1 vote
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82 views

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 ...
Alcatel's user avatar
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1 vote
1 answer
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Unable to convert to GPT to install Windows 10 home

So first I did a factory reset once installing my NVME M.2, and that's when Windows had the first issue of not running. So I tried installing a fresh windows 10. When trying to make a save location ...
Shimmy1's user avatar
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1 vote
0 answers
782 views

How to create gpt partition without the 16MB reserved partition?

Anyway to use diskpart or another program to create gpt partition without it auto creating the MSR partition? This is for a 5tb drive so can't just use MBR. I need a single unformatted raw partition ...
House3272's user avatar
  • 153
1 vote
0 answers
749 views

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 ...
Matt Griffin's user avatar
1 vote
0 answers
3k views

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&...
Marshall's user avatar
1 vote
1 answer
1k views

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 ...
Paynamia's user avatar
1 vote
0 answers
2k views

Repair EFI/GPT Bootloader for virtual Windows 10

An interrupted system update caused the Windows 10 Pro on my virtual machine to get into a Diagnostic and Repair Mode loop and I am trying to fix. I need to access and use a certain program that is ...
Nejesis's user avatar
  • 11
1 vote
1 answer
2k views

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 ...
VeryCoolName's user avatar
1 vote
1 answer
2k views

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 ...
Nerick's user avatar
  • 11
1 vote
0 answers
687 views

There is no external DVD Rom in Bios in UEFI mode

I need to install Windows 10 on my laptop (ACER Aspire 3). My hard disk scheme is GPT and I need to boot my windows in UEFI mode. After connecting my external DVD ROM in UEFI mode my laptop can't ...
John Jin's user avatar
1 vote
0 answers
283 views

How to create a partition with gdsik without naming it?

I'm currently looking for alternatives to graphical programs for partitioning my hard drive. So I'm searching for an easy command line tool for it. Since my hard drive has a GPT partition table the ...
Nicryc's user avatar
  • 707
1 vote
0 answers
305 views

Access Data on a Harvested GPT Protected SSD

I have an SSD drive that was in a Windows PC, the drive was GPT protected, I connected the drive via a dongle to an USB port. My Linux machine is seeing the drive , but it appears empty with no ...
user2976492's user avatar
1 vote
0 answers
367 views

samsung nvme ssd write errors on gpt restore, even with 100% available_spare

i have an samsung nvme ssd with corrupted gpt information. Nevertheles live boot running gdisk reported, that the on-disk gpt backup is clean and can be used to restore the main gpt information. So ...
cguenther's user avatar
  • 301
1 vote
1 answer
315 views

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'...
Lucio Crusca's user avatar
1 vote
0 answers
121 views

How should I adjust my partition layout so I can update Windows 10?

When I upgraded my PC I installed Windows 10 on a new disk with the old disk still inserted. This meant the new install did not get a system reserved/boot partition. I fixed that by manually creating ...
D Rayner's user avatar
1 vote
0 answers
2k views

Partition table to make bootable USB drive

I use fdisk to set the partition table and to create partitions and unetbootin to install the OS on a USB drive. Can anyone explain why the only partition table which makes USB boot option that ...
truefalse's user avatar
  • 126
1 vote
1 answer
2k views

Installing Windows Legacy on a GPT hard drive

I am trying to install Windows Legacy mode (NOT UEFI MODE) on a GPT partitioned drive. If I use UEFI mode to install Windows 10, the audio drivers don't work, which is an issue with UEFI. I am ...
Rishab Tirupathi's user avatar
1 vote
0 answers
3k views

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 ...
Hodor's user avatar
  • 11
1 vote
0 answers
1k views

Manually Restore GUID Partition Table on Mac

Recently I plugged my HDD with one partition formatted in HFS+ into a Windows PC as an internal HDD, it somehow ruined my GUID partition table and turned it into 3 partitions (unformatted/unallocated) ...
Henry Pham's user avatar
1 vote
0 answers
4k views

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 ...
microbit's user avatar
1 vote
0 answers
608 views

How to access 3TB GPT VeraCrypt-encrypted internal HD that shows as a 16TB "GPT Protective Partition"?

So I have a GPT internal hard drive which I fully encrypted with VeraCrypt under Windows 10 64Bit (on a UEFI GPT drive). Now I'd like to access it under Debian 9.0 or an outdated version of Windows ...
mYnDstrEAm's user avatar
1 vote
0 answers
639 views

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 ...
Pr0no's user avatar
  • 187
1 vote
0 answers
2k views

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 ...
Tobse's user avatar
  • 111
1 vote
0 answers
1k views

BIOS modules and what are they

Computer : Lenovo G560 model 20042 CPU : Intel Pentium P2600 Northbridge : Intel PM55 Southbridge : Intel HM55 CMOS RAM : 512 bytes BIOS chip or size: unknown I backed up my BIOS using the official ...
Varad Mahashabde's user avatar

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