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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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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 ...
ctenar's user avatar
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Computer not booting after installing Ubuntu next to Windows

I installed Ubuntu 22.04 alongside an existing Windows 10 installation on a HP ProBook 470 G2 and let the Ubuntu installer take care of shrinking the Windows partition and rewriting the partition ...
ctenar's user avatar
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Unable to access GPT Partition

I'm stumped on this one. I have a new 16 TB external HDD. I connected it dropped some files on it, safely removed etc. Now when I hook it back up it shows as a GPT protected partition, all 16 TB. I ...
Dittmermo's user avatar
-1 votes
2 answers
96 views

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. ...
trebonedoow's user avatar
0 votes
2 answers
140 views

Cannot repair a disk with corrupted GPT using gdisk

I have a disk that was forcefully closed when it was working in a disk operation (when downloading files to it). Now, the GPT is corrupted and I cannot mount it correctly. I am trying to mount it ...
LobaLuna's user avatar
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-1 votes
2 answers
534 views

Default Windows 11 partitions / partitioning scheme

Sometimes you need to partition your disk which already contains a different operating system (OS) or version of Windows thus you use Linux tools such as fdisk or gdisk to create/configure partitions ...
Artem S. Tashkinov's user avatar
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73 views

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 ...
Marin's user avatar
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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 ...
cr re's user avatar
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1 vote
2 answers
250 views

How to confirm that the licensing for a fresh install of Windows 10 is active and valid?

A trusted local computer shop provided a magical thumb drive, and after installing Windows I get: PS C:\Users\saund> PS C:\Users\saund> PS C:\Users\saund> [System.Environment]::OSVersion....
Nicholas Saunders's user avatar
0 votes
3 answers
684 views

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 ...
Noob_Guy's user avatar
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1 answer
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External hd acidentally converted to gpt on windows - how to recover lost data? [duplicate]

As my external hd did not show up in disk manager I accidentally clicked gpt when asked. Now the disk results "not allocated". In fedora results "windows reserved". Now I am ...
Agnes 's user avatar
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Read EXT4 GPT partition type SSD on windows [closed]

I use SharpExt4 to read and copy data from an EXT4 SSD with an MBR partition type in Windows. Now, I have a new card with a GPT partition type, as the new memory card is 4 terabytes and not able to ...
user1712521's user avatar
1 vote
1 answer
320 views

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 ...
mind. LESS's user avatar
1 vote
2 answers
178 views

LUKS container gone due to Windows partition

I plugged a HDD with a LUKS container on it into Windows and opened the Disk Manager. A dialog appeared where I clicked "Format as GPT", not knowing what I was doing. Apparently Windows wasn'...
Philipp Murry's user avatar
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0 answers
52 views

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 ...
Padam Gadshila's user avatar
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1 answer
96 views

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 ...
Sidhu Sunam's user avatar
1 vote
0 answers
670 views

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
1 answer
99 views

Make GPT partition tables accept variable volume size

I often copy SD-cards or other flash drives used as system disks for small computers (Raspberry Pi, NVidia Jetson, small x86 PCs) to image files for backup. However, when restoring those backups, the ...
dronus's user avatar
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-1 votes
2 answers
846 views

Is it possible to install windows 10 on old BIOS PC with GPT drive?

I have a GPT formatted SSD Drive that I have moved from a rather new laptop to an older one that has an old BIOS. The drive has multiple partitions including Linux that I don't want to remove and a ...
cipricus's user avatar
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2 answers
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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 ...
Kvothe's user avatar
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1 answer
411 views

Cannot boot OS from disk

I have a Samsung ATIV Book 9 with Windows 8 and over the time different Linux distributions. Lately, I switched from Debian 11 to SuSE Tumbleweed and now to Debian 12. Since this switch to Debian 12 I ...
Jan's user avatar
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0 votes
1 answer
614 views

Is it possible to remove protection from a GPT Protective Partion HDD without formatting it?

I own a 14TB HDD and it’s currently half full. I’m trying to use it via a USB adapter, but it is impossible because everytime I try to use it that way, Windows says that it is a GPT Protective ...
cafo's user avatar
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-3 votes
1 answer
157 views

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 ...
Roman Toasov's user avatar
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3 answers
488 views

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 ...
radui's user avatar
  • 353
1 vote
2 answers
3k views

Converting a partition to EFI boot, at a particular location on disc, from scratch

I have a drive that developed a boot failure after a crash, with the BSOD error code 0xc0000098. It was one of those crashes that proved utterly resistant to every technique I know for BCD recovery (...
John Lasseter's user avatar
0 votes
1 answer
314 views

Merged partitions show as unformatted NTFS- GPT table recovery

Wanted to merge multiple partitions on my SSD, and added Windows Recovery partition to the mix as it was sitting between other data partitions. (I believe this was my mistake). Used MiniTool Partition ...
tomahawk_pt's user avatar
2 votes
2 answers
4k views

How is the "active partition" determined when using GPT?

According to https://superuser.com/a/1081043/380318 there is no such concept as an "active partition" when using GPT. AFAIK with MBR partitioning, some minimal code in the MBR looks for an &...
U. Windl's user avatar
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1 vote
0 answers
144 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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2 votes
2 answers
3k views

How can I change a GPT unique partition GUID on windows?

According to the GPT section found in chapter 5 of the UEFI specification version 3.6.0, every GPT partition entry has a unique GUID at byte offset 16. My question can kind of be broken up into 2 ...
EatingTechnobladesRemainsAt3am's user avatar
2 votes
1 answer
4k views

GPT Table repair after dd disc clone

I used dd to clone a 500gb Hard Drive to a 256gb SSD before doing this I edited the partitions so that the last 280gb (roughly) was unallocated using GParted. Eventually dd ran out of room at 240gb, ...
Pizza's user avatar
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0 votes
2 answers
217 views

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 ...
Daviid's user avatar
  • 156
2 votes
2 answers
3k views

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 ...
 NAD 's user avatar
1 vote
0 answers
36 views

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
  • 155
2 votes
1 answer
81 views

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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0 votes
0 answers
1k views

Can't mount external USB drive. mount: /dev/sdd1 is already mounted or /mnt/sdd busy

I'm trying to mount my external hard drive with this command on my Citrix hypervisor; mount -o rw /dev/sdd1 /mnt/sdd But I'm getting this error: mount: /dev/sdd1 is already mounted or /mnt/sdd busy ...
Grant Peltier's user avatar
2 votes
1 answer
2k views

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 ...
Vikthor Ferreira's user avatar
0 votes
1 answer
897 views

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 ...
InSr33's user avatar
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-1 votes
1 answer
62 views

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 ...
Krustylicious's user avatar
1 vote
0 answers
84 views

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
0 votes
0 answers
171 views

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 ...
DanielJMMW's user avatar
0 votes
3 answers
734 views

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 ...
vincebel's user avatar
0 votes
1 answer
102 views

Moving OSs from 1TB to 2TB

I have a 1TB nvme drive with windows and linux installed. The partitions look like this: partitions Now I would like to move both these operating systems to a 2TB nvme. How do I do this without ...
thewolf's user avatar
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0 votes
1 answer
564 views

how to extend partition space with Samsung recovery deleted partition unallocated space? (diskpart)

Note: the disk is Formatted as GPT and I have only one disk. I have a Samsung laptop `300v5a` that came with windows 7, and I upgraded to windows 10 after that I deleted the Samsung recovery ...
user avatar
0 votes
0 answers
36 views

I see my 2nd GPT hdd partitions but not the 1st drive's

I have 2 hdds in my laptop. I had them all converted to UEFI. one day I notice one has reverted to MBR. I used EaseUS to initially convert them. I went back to EaseUS when I noted the reversal on ...
CityguyUSA's user avatar
0 votes
0 answers
1k views

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 ...
CliffP's user avatar
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9 votes
2 answers
4k views

Dual Boot between Win 7 and Win 11

I have a notebook from my company that was installed Win 7 MBR + Legacy. I need to install a few programs, but they are not compatible with Win 7 anymore and I can't upgrade or do a clean install ...
Emanuelson 204's user avatar
2 votes
1 answer
911 views

What should be the content of the first sector in a UEFI system with GPT partitions?

As i understand, in UEFI machines there is no MBR/VBR code, and the UEFI firmware directly gives control to the OS boot loader (.efi file). My question is, what should be first sector of such system ...
OneAndOnly's user avatar
0 votes
0 answers
25 views

Unable to Launch Partition

I have deleted Linux partition from my drive and now I cannot see it, only empty drive. After typing diskutil list: /dev/disk0 (internal, physical): #: TYPE NAME ...
Noz_Char's user avatar
3 votes
3 answers
2k views

How to normalise Win10 MBR partition to migrate to GPT and standard EFI

My aim is to be able to upgrade to Windows 11. It was originally a Windows XP installation, that went through all the upgrades to WinVista, Win7, Win8, Win8.1 and Win10. With my upgrade path I never ...
rarog4k's user avatar
  • 37
0 votes
2 answers
2k views

Clonezilla: "mismatched GPT and MBR partition". GPT deletion made the system unbootable

Using Clonezilla on a thumb drive to create a system image, in order to clone disks from it; Clonezilla threw an error: "mismatched GPT and MBR partition" and refused to proceed; Searched ...
BsAxUbx5KoQDEpCAqSffwGy554PSah's user avatar

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