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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Installing windows server 2008 on SSD with GPT and EFI

I recently purchased a new Samsung 840 EVO with a few other components, to rebuild a machine that has been on the verge of extinction. With the SSD purchase, I also purchased a new motherboard from ...
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Why does the boot partition under a BIOS-GPT configuration need to be 1007KiB?

Reference: https://wiki.archlinux.org/index.php/GRUB#GUID_Partition_Table_.28GPT.29_specific_instructions Other sources may refer 1MiB for it, but I'm really curious about this Magic Number. Why not ...
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Accessing CentOS installation

I use an SSD as my boot device, and I have a HDD that I use for data. Both drives are set up using GPT/UEFI. I installed CentOS to its own partition on the HDD, and I have Windows 8.1 installed to the ...
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Mount GPT Partitioned Drive In Linux

I have a windows 8 hard drive slaved to my Ubuntu box right now and I'm having problems mounting. When I go to mount, the shell tells me that the device doesn't exist but I can bring it up and see the ...
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Partition Issue with Windows 8.1 Installation

I bought a brand new machine and I wanted to install Windows 8.1 on a single 4TB HDD. I want to partition the drive using the following layout: Drive 0 Partition 1: System Reserved - whatever the ...
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2k views

Can't boot FreeBSD 10 after install on UEFI + GPT

I have tried to install FreeBSD on Asus G75VW. Setup will partition the disk, install everything. At reboot I see this: "Reboot and select proper boot device" "or Insert Boot Media in selected boot ...
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Clean install of Windows 7 Pro 64-bit on a UEFI with GPT laptop?

I’m currently pulling out hairs about a problem with my wife’s new Samsung Book 9 laptop. it comes preinstalled with Windows 8. She wants Windows 7 Pro. I’ve board a Windows 7 Pro 64-bit for her and ...
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122 views

What GPT partition type to use for protecting DRBD metadata?

I'm planning to install a DRBD device on a (replicated) disk with two GPT partitions. DRBD requires some space for (preferentially "internal") metadata at the end of the underlying device. I'm ...
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222 views

How can I preserve a Windows 8 recovery partition if the drive uses GPT?

I have a new Samsung ATIV book 9 with Windows 8 Professional, but I need to downgrade it to Windows 7. I want to keep the option to restore the Windows 8 on there, though. The problem is that the ...
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689 views

RAID 0 partitioning for Linux installation

I have recently bought ASUS Zenbook UX32VD with 128Gb SSD, which seems to be RAID-0 made from two 64Gb SSD drives. It has Windows 8 preinstalled. I want to install Arch Linux on it, while keeping ...
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172 views

Is it safe to purge EFI from a laptop?

My laptop is a Dell Latitude E5430 that supports both EFI and "legacy" boot modes. I'd like to removed win8 and it's troublesome EFI stuff and replace it with a Win7. I'd like to keep my ubuntu ...
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I (stupidly) converted a TrueCrypt encrypted disk to GPT in Disk Management: now TrueCrypt won't mount it

Backstory: After moving a Macrium Reflect disk image from my TrueCrypt external drive (with whole disk encryption) onto a unencrypted drive and using Windows PE with Macrium Reflect to restore my ...
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437 views

Small unallocated space left, when partitioning harddrive. What is is meant for and why can't I use it?

Every so often I encounter a small unallocated space in the partitioning scheme of a hard drive, when I want to create a maximal sized partition, even though I have set the "Free space following" to ...
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Live resize of a GPT partition on Linux

On Linux I used to resize MBR partitions using fdisk, even on live filesystems, and then issue a resize2fs/pvresize/... (depending on fs type) to get the new space allocated. Lately I've been using ...
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Can I recover my 4TB SATA HDD accidentally re-initialized with MBR?

I changed my 4TB SATA HDD to a different 3.5 inch USB enclosure. When plugging the new enclosure's USB cable into my Windows 7 x64 PC, in the Disk Management MMC, it asked to be initialized with MBR, ...
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GPT disk partition recovery

I am having troubles getting my partitions to show up correctly on one of my drives. Setup: Linux 3.10.10-1-ARCH Disk is 2TB and has GPT with two partitions. The two partitions hold approx 700GB ...
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624 views

Convert GPT disk to MBR disk in-place?

Is there any tool that can reliably convert a disk from GPT to MBR in-place? (i.e. without having to backup/restore any partitions.)
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Tools to convert GPT to MBR without access to an OS

I wiped my Windows 8 thinking I could install Win7 x86 but I can't because the disk is GPT. I need to convert to MBR. Is there a tool to do that? Maybe I wrong: but it seems like GParted can only do ...
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44 views

windows drive is shown as free space whie installing ubuntu

My problem is I have this Lenovo G580 with default OS as Ubuntu. I formatted this recently to freshly install Windows 8 and Ubuntu. Windows 8 is installed and when I run Ubuntu live usb, at the ...
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409 views

Windows 8 preinstall downgrade to Win 7: UEFI problems :/

I have a friend who has a HP Laptop with UEFI booting. Due to some unfortunate human error resulting in an unbootable system, I suggested and he agreed to installing Win7 ("I hate the big tile ...
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Recover NTFS partition GPT with TestDisk, gdisk, EasyRecovery

I have broken my hdd file struture. I will not go into details how that happened. I had several NTFS partitions which have some data I need, and it was in GPT. I tried several applications for ...
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2k views

Install Windows 7 Ultimate x64 as UEFI with GPT

I bought a Samsung laptop (Model: NP350V5C-S0BIN) which came preinstalled with Windows 8. I dont like Windows 8 and want to install Windows 7. I have disabled FAST BOOT and SECURE BOOT. My questions ...
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Logic board on my MacBook Pro failed — Now GPT table missing on its HDD

So about a week ago, my logic board went out on my Macbook Pro (early 2011 unibody). So that was a bummer but the real kicker is that when I removed the HDD and tried to boot the drive externally from ...
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Converted my HDD on Mac to GPT

I converted MBR to GPT and I lost everything on both of the partitions, though I just converted one partition (Bootcamp's) but it still converted them both. Any ideas how to get my HDD MBR again and ...
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How to create hybrid MBR/GPT partition on USB drive?

Can you please tell me how to create a hybrid MBR/GPT partition on the USB drive? I need the MBR for the boot as my BIOS doesn't boot GPT partitions.
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Installing Windows 7/8 64-bit on GPT partition table without UEFI [duplicate]

I'll start by saying I tried everything I found. And still nothing worked. Preface I've converted my old MBR to GPT partition table. I actually thought I'll just have to reinstall GRUB2 and ...
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971 views

Windows 7 on GPT partitioned SSD backup using dd

i have a SSD device as primary sata hard drive witch contains my os. On this device i have Windows and Linux Mint installed. Now i want to make an image of my windows installation so that i can ...
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3k views

Samsung SSD 840 Pro not properly recognized in bios?

I recently purchased a Samsung ATIV Book 6 laptop, and swapped out the hard drive for a Samsung SSD 840 PRO Series (512 GB). Unfortunately, I can't seem to boot off of it. On the main BIOS screen, ...
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How to install Windows on GPT disk without UEFI BIOS? [duplicate]

My PC does not support UEFI BIOS, but it has Legacy BIOS. The motherboard is "P5LD2-X1333". I need to install Windows 8 on the 3TB hard drive with GPT scheme, since as we know, the MBR scheme does ...
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Unused Disk after new Windows 7 Install

I have a really big problem.I currently had 2 hard drives, disk0 and disk1. I bought a Western Digital 1TB hard-disk a while ago and installed it on Windows 8 and it was placed as my disk 2. I put ...
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Convert GPT to UEFI or MBR

I have HDD with Arch linux installed, this disk uses GPT. I would like to convert it to UEFI for using with another laptop (ASUS N56VM), which doesn't support booting from GPT at all (which is ...
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Windows 7 GPT to MBR? EFI to BIOS

I want to convert my existing GPT partition table to a MBR one. UEFI is giving me too many headaches with Linux. Actually, I'm just interested in my Windows partition. All the articles on the ...
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Is uefi required to boot from a GPT sdd?

I've spent the past day trying to get GPT to work with my installation/mobo. I have a GA-990FXA-UD3 rev1.0 motherboard, and I'm trying to install ubuntu over two drives, an SSD and a HDD with the ...
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How do I install Windows 8 using a GPT Partition scheme?

This question seems to have been asked in very similar form in the past, but I was unable to find a relevant answer her or elsewhere. I am ultimately looking to install a dual boot of x64 Windows 8 ...
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OS reads only 1600GB of my 4TB hard drive

I'm trying to format a 4 TB hard drive as a single partition. I am running Windows 2008 Server R2 Standard, Service Pack 1. I have already tried converting my disk to GPT, successfully, but that only ...
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Convert MBR to GPT - Without any OS

I just got a new laptop without any OS (it had FreeDOS, but not anymore). When I go to Windows Installer and try to create a new partition from un-allocated space, I don't get any Error message but ...
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Windows 8 deployment from USB

My goal is to deploy Windows 8 via USB to several computers. The systems I'm working with have come with GPT parted HD's. I have set up one the way I'd like it, sysprepped and captured the ...
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845 views

4k hard drives freebsd gpart and zfs

I have 3 hdd, with the next camcotrol identify. root@cirmos:/root # camcontrol identify ada1 pass2: <WDC WD10EZEX-00RKKA0 80.00A80> ATA-8 SATA 3.x device pass2: 300.000MB/s transfers (SATA 2.x, ...
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425 views

Erase MBR from a Mac

So I found a way to EFI install my Windows 8 to my MacBook Air - and now my partition table looks kinda ugly: /dev/disk0 #: TYPE NAME SIZE IDENTIFIER ...
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1answer
136 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: ...
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560 views

How do I resize a partition on a GPT disk without the loss of data? [duplicate]

I want to increase the size of my C: drive which houses the Windows 8 OS. The disk partition scheme is GPT. How would I proceed to borrowing space from another partition and thereby increasing the ...
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3k views

Cannot initialize 4TB external hard drive in Windows 7 64-bit using

I have a new 4TB drive, which I want to use as an external drive with my laptop (Windows 7 ultimate, 64-bit). From all that I can read, my Windows version should support it, but I can't find anything ...
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2k views

Installing Ubuntu on a GPT partitioned drive

I have changed my system to boot from UEFI instead of BIOS and have installed Windows 7 on my internal SSD which has GPT partition type. I am trying to install Ubuntu 13.04 on my external HDD. My ...
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970 views

Repairing Boot Camp on a secondary hard drive

I managed to install Windows on a partition of a secondary hard drive with Winclone, but I am unable to boot on it. Now when i choose windows as startup device i get the "No bootable device --- insert ...
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Windows 8 boots very slowly and can't navigate to second SATA HDD, no problems without drive connected

I have Windows 8 installed on a GTP formatted 120 GB SSD, and it runs the OS fine with just that. Connecting my old MBR formatted 320 GB HDD as well shows in the BIOS, but Windows 8 will not load its ...
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Migrating Windows 7 from MBR to EFI without formatting

Based on the experience documented in Migrate from MBR to UEFI with an encrypted system partition I'm considering the opportunity to migrate Windows 7 from the plain ol' MBR to the new GPT/UEFI boot ...
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2k views

Installing Windows 7 on notebook with Windows 8 pre installed?

I have just acquired a Dell Inspiron 7720 with Windows 8 pre installed. I want to remove Windows 8 and install Windows 7 in it. Windows 8 is installed in the C: partition which is in GPT style. There ...
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425 views

HP EliteBook 8540w doesn't start with GPT disc attached

I have an HP EliteBook 8540w but since I attached a 4 TB external GPT disc drive, it does not start anymore. (It freezes during the BIOS startup.) When I detach the disc, everything works fine. I ...
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294 views

SSD, MBR, GPT and Linux (choices)

I'm getting a new computer with a 120GB SSD and a 500GB HDD @ 5400rpm, I will install Arch Linux on it and maybe Windows at some point. My indecision starts with the following issues: I though about ...
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Can't boot into linux on gpt-partition external drive on a pc

I've got an external HDD "Seagate Backup Plus 1TB". It's partitioned using the GPT scheme and carries two file partitions, an hfs+ OSX partition with OSX operating system installed, and an ext4 ...