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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Support for using >2TB HDD

Iam working on providing support for HDD morethan 2TB on TI8107 board. According to GPT header, at LBA1 with offset of 0x28 we get the first usable sector and LBA1 with offset of 0x30 we get the last ...
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GPT and MBR with Recovery Partition

I purchase a laptop with GPT partition table. on the hard drive i have one partition-recovery partition and the other is the OS partition. Since it is windows 8.1, i need to install 7 pro. I want to ...
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25 views

Grub Rescue upon attempting to reinstall WIn8.1 on Msata

New device and not dual boot as far as I am aware. New clean install of win 8.1 was compromised. Intel provided a new device. Upon attempting to reinstall 8.1, it would not allow installation onto ...
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16 views

Invalid GPT and No Partitions found on External Hard Drive

Ok so I'll start from the beginning here, and I'll do my best to give you all of the info upfront. Hard Drive: Toshiba DWC120 2TB Original File System: NTFS I was having issues with this hard drive ...
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48 views

Fix The Selected Disk is of the GPT Partition Style error

I am using Lenovo G510 with Ubuntu 14.04 as the OS. I need to install Windows 7 as dual boot. But when i trying to install Windows 7, I am getting an error as below. Windows cannot be installed to ...
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65 views

Changing System Drive from GPT to MBR

I currently have an Acer Laptop running Windows 10. My system drive currently has a GUID Partition Table (GPT) but I want to convert it to MBR Partition Table. Doing this wont be a problem as I found ...
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21 views

Are the positions required for UEFI / GPT secure?

I recently manually set up UEFI for my windows install. Today I read an article about Lenovo shipping malware on the UEFI positions of some of their laptops. This got me wondering, is the partition ...
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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 ...
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85 views

Windows can't be installed on GPT partition

I got a Windows 10 official release ISO file, so I burned it to a USB flash drive, and tried to boot it. I deleted all but one D: partition, which has all my working files so I can't delete it. I then ...
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29 views

Adding a windows partition to an existing Linux GPT/UEFI drive

I have a working Linux system that boots from a GPT/UEFI drive. I would like to add a windows partition to this drive, without destroying the existing boot system in the process. Theoretically, I ...
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37 views

Changing Partition scheme

I want to change my partition scheme from MBR to GUID. Is there a way to do this without any data loss. I have Windows 8 installed. Will my OS boot after changing the partition scheme?? Thank you..
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how to mount beyond /dev/sda15 when using a GPT disk with lots of partitions

I have a GPT disk with about 20 partitions. They're on /dev/sda how can I mount each of these at the same time? as I understand /dev/sda is limited at /dev/sda15 this feels weird - being able ...
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Can a >2TB hard (GPT) drive be used as non-booting data drive on a non-UEFI board?

Our workstation can only boot from MBR max. 2TB hard drive. The BIOS cannot be changed to UEFI mode by firmware update or similar. We are running Win Server 2012 R2. Can we use a 2TB hard drive ...
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128 views

Convert disk with OS from GPT to MBR

I'd like to know if it's possible to change disk partitioning standard from MBR to GPT for a disk with OS on which I do that, without loosing the OS. I have windows 7 and want to install side by side ...
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416 views

3TB drive on BIOS system

I have a HP Proliant microserver gen 8 on which I am planning on installing Debian. I was thinking of setting up a raid-1 configuration through the built in raid controller using two Western Digital ...
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34 views

windows 7, UEFI, and GPT woes [duplicate]

This might end up being a bit of a long question, but here it goes. I have a desktop PC that runs windows 7. A couple of years ago, I had my main drive die (C drive). I bought a brand new disk and ...
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63 views

How can I create a partition in a the GPT formated drive on OS X, which then results as a GPT partition and not MBR partition?

Looking around on how to install windows 8 or 10 on bootcamp I got the famous error from windows installer telling me I need a drive formatted as GPT an not as MBR. Actually I can't understand why ...
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140 views

Cannot restore Windows Backup Image made in Windows 8.1

I have the following Situation: Laptop is EliteBook 840G1 with 256 GB SSD (Crucial M550). Windows 8.1 with Update has been installed without CSM. I made a Backup using Windows' System Image Backup ...
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168 views

Creating GPT partition using sgdisk on emmc 2GB

I am trying to partition my 2GB emmc using sgdisk to have a GPT partion table. The commands show success and also the GPT partition table looks updated (even on reboot) but the partitions are not ...
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63 views

Can I safely convert my disk to GPT using diskpart with GRUB 2 installed?

I am wondering whether I would be able to convert my disk 0 (with my system partition, Windows partition, and Ubuntu partitions) from an MBR to GPT disk without loss of data and still being able to ...
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39 views

Can Linux OS Boot off MBR in Native UEFI?

While UEFI & GPT go together, I was wondering if Linux can be instilled and boot off MBR Partition type while in Native UEFI Mode?
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4TB GPT drive is raw

Let me give some background first before I get into the issue. A few days ago my PC died and after an hour of troubleshooting I finally confirmed that it was in fact the SSD, so I ordered a new. This ...
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139 views

Debian 8 Installer (partman) doesn't detect Hard Disk Drives on Ultrabook, but all other linux commands (fdisk -l, lsblk…) does detect

I'm installing Debian 8.0.0 and 8.1.0 (both amd64) on a Ultrabook (Dell Inspiron 14z 5423) which has both a SSD and a SATA HDD. During the install, when it asks for partitioning, I choose "manual" ...
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Command to save and restore partitioning under Linux

I know we can use sfdisk to save and restore partition tables. Save: sfdisk -d /dev/sda > part_table Restore: sfdisk /dev/sda < part_table But is there other command line tools to save ...
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Windows 7 refuses to install on gpt styled partitions in CMS boot mode

recently I had asked a question regarding windows 7 setip booting issues on a Toshiba windows 8 laptop. I was however able to boot into it with the boot mode set to CMS. The issue I faces was that, in ...
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160 views

how to install windows 7 with size more than 4 GB using gpt usb and UEFI mode?

I know that, in order to install Windows 7 on my windows 8.1 laptop, I must disable secure boot then use the diskpart command to convert my USB disk to GPT and format it as fat32. I made every thing ...
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296 views

Move Windows 8.1 to beginning of disk

I have 1TB hard disk drive where 700GB is reserved for my personal files. Remaining space is for Windows 8.1. Problem is that Windows 8.1 with their 4 partitions is at end of disk, so I can't extend ...
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50 views

Can't use Portable Hard Drive formatted under linux with Windows

I hope you can help me, I have this two 2.5" hard drives (250 and 500GB, respectively) that I put inside Acteck USB 2.0 drive cases and formatted them under linux, creating a new GPT partition table ...
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258 views

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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400 views

There is no “Convert MBR to GPT” option in EaseUs Partition Master

I want to convert my disk to GPT to install windows 10. I found this solution to convert it: http://www.partition-tool.com/resource/GPT-disk-partition-manager/convert-mbr-disk-to-gpt-disk.htm But in ...
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206 views

How to create Windows 8.1 installation partition

I have a HP Probook 450 G2 where the owner wanted to replace HDD with SSD. I've reinstalled Windows 8.1 on the EFI-GPT and I'm now trying to setup a separate (possibly hidden) partition in Windows 8.1 ...
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Can Windows 8 and 7 be installed on the same UEFI computer?

My system has UEFI, and I want to install both Windows 7 and 8 on a large drive formatted for GPT (I want to also install a few other operating systems, and I need more than 7 partitions). After ...
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127 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 ...
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277 views

Problems making recovery work on Windows 8.1 EFI - recovery partition in raw (data still accessible)

My problem started with a failed migration from HDD to SSD. I created the copy which should work without problems, but the SSD was somewhat incompatible with my setup (drive visible in BIOS, but not ...
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1k views

How to change active boot partition of Windows 8.1 UEFI?

I've a 64 bit Windows 8.1 on GPT / UEFI and am trying to boot to another OS without a CD-ROM or external harddisk. I've created a fresh partition (Z:) and copied Puppy Linux.iso over to it. However, ...
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Installing Red Hat based OS on mbr disk

I currently have installed Windows XP and Linux Mint 17 on my laptop. My disk is MBR type because of Windows XP. I have installed linux mint without any problems, but now I am trying to install Red ...
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119 views

PC asks to format Veracrypt Volume

I have a Veracrypt encrypted non-system partition on an external hard drive. The hard drive is GPT-based. On my previous MBR-based hard drives, I used Diskpart and the command SET ID=64 to prevent ...
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Bash scripting parted for GPT

Using Bash & Python scripts in Ubuntu 12.04, we are delivering a disk image to customers as a file (generated by dd). Once dd’d to the new disk, we resize the partition to fit the disk. Now that ...
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262 views

MBR and GPT confusion: installing Debian on macbook air

I'm following this question and trying to install Debian on my MacBook. I've lost that account so I couldn't accept that guy's answer (I'm sorry, I'll not loose this one). So, I followed with his ...
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261 views

Clonezilla stopped. Can “sgdisk -z /dev/sdx” destroy all the data on sda?

I need suggestions. I wanted to backup sda2 on which Win7 is installed. I deleted the Recovery Resion. (Probably Testdisk can restore this partition because I haven't done any manipulation on that ...
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4T RAID 0 Partitioning issue

I am building a new workstation 1.2T 10K SAS X 4 for Win 7 Pro SP1 x64 I must use RAID 0 for this workstation. What I would like to have is C = 500G D = rest of spaces So BOIS based system with ...
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137 views

Install Server 2008 to 3TB drive on Vostro 260

It is possible to install Windows Server 2008 R2 on a 3TB GPT hard drive on a Dell Vostro 260? I know that hard drives must be GPT to recognize over 2TB so I formatted it GPT thinking I did ...
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52 views

Is there a way to retrieve data from a hard drive that was initialised but where no simple volume was created?

I switched enclosures for my 3.5 inch external hard drive; the drive is a Western Digital. There after the disk showed up in Disk Management but first needed initializing. I used the GPT initializing ...
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Bios doesn't see MBR Hard Disk

I was trying to install steamos as a dual boot but it used to fail because it didn't see windows' free spaces. Someone said convert HDD from GPT to MBR. I did it with gdisk and now my Windows doesn't ...
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94 views

How to install Windows 8 without flash drive and dvd? GPT/UEFI

I have my new SSD, on which I want to install Windows 8.1. I have an iso image. So what I normally do when I use MBR on the drive: Create partitions Extract iso to one of the partitions Make that ...
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55 views

Convert MBR based install to GPT based

I recently re-installed Windows 8.1 on my notebook, in MBR mode, since I was not able to make the UEFI recognize the flash drive as EFI bootable (then I did not make any research in this topic, but ...
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105 views

Recover GPT Unformatted Partition

I have a 500GB HDD, with a partition that I tried to move. After moving it, I found it is still in the starting place, but now I don't have access to it anymore. I tried to recover it with EaseUS ...
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58 views

Windows 8 in GPT not hybrid booting

Some days ago I bought a new HDD of 3TB size. I installed Windows 8 "normally", then I noticed that the system could not see all the 3TB of the disk, because the setup automatically choosed to use MBR ...
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64 views

Windows boot loader on a Pen Drive (Chain-loader)

I want to convert my hard disk to GPT and install windows 7. Which is now giving an error while installing. What I am planning to do is, Install the boot loader in MBR Partition of a Pen Drive. ...
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How to install windows 8.1 using OEM provided install.wim and boot.wim

Unfortunately, recently, my C drive got corrupted and I had to format the whole partition and reinstall the untouched windows 8. There are 2 recovery partition in my laptop which includes install.wim ...