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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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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1answer
2k 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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1answer
5k 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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2answers
11k views

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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2answers
236 views

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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1answer
3k views

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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293 views

linux splits one 3 TB external USB HDD into 2 physical drives?

I recently bought a 3 TB harddisk which I inserted into a external USB drive enclosure and connected it to linux debian. Unfortunately it now shows up 2 separate physical drives: one with 2.19TB and ...
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2answers
863 views

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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2answers
422 views

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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1answer
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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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2answers
3k views

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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2answers
3k views

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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2answers
2k views

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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2answers
2k 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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2answers
788 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
190 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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1answer
4k 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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1answer
3k 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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1answer
1k 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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2answers
215 views

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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2answers
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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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1answer
631 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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1answer
433 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 ...
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1answer
2k views

3TB raw hard drive partition recovery stymied by GPT

I have a seagate 3TB external hard drive with GPT. I accidentally pulled out the power cord and upon reboot was faced with a Raw Partition message in Windows Explorer re: You need to format your drive ...
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Install Linux on 3TB HDD [closed]

How do i install Linux (e.g. Debian 6 or Ubuntu Server) on my server box with a single 3TB SATA HDD? Server is based on Intel D510MO motherboard. I can install the OS from the USB drive but i can't ...
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1answer
4k views

rEFIt on Mac won't boot into USB Installation after OS is installed

Recently I have used Bootcamp to install Windows 7 Professional (64bit) on my Mac Book Air 3,2. I didn't have a CD/DVD so I used ISO and USB. This is how I did it: Use VirtualBox to install the ...
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1answer
4k views

Should I configure my New RAID5 Drives as MBR or GPT?

I have a new RAID-5 Setup on a Server here at work. I have just created the RAID-5, and its size is a little over 2.7 TB. Now, Iknow that MBR does not support anything over 2.2 TB, however, I have ...
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739 views

extending a triple boot system: quad boot and beyond?

I have a working triple boot system using Refit, that is modeled closely after the steps detailed in https://help.ubuntu.com/community/MactelSupportTeam/AppleIntelInstallation, except that I'm using ...
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2answers
2k views

Can't install Windows 7 with UEFI off on GPT drive

I need to have a dual boot with Ubuntu and Windows 7 on my notebook with UEFI. I had to turn UEFI off to install and boot Ubuntu. Now I'm trying to install Windows 7, but it says it can't be ...
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1answer
79 views

on a server does master boot record formating of the disk support the dynamic disk type?

If I convert a disk from basic to dynamic is it possible to format it to master boot record (MBR) or is it just possible to format with GPT?
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Installing Windows 7 on Acer Aspire E1 471G

I have been trying to install Windows 7 all day with no success. At first, it said that the current system policy is blocking the DVD. I figured out that it was the Secure Boot and I disabled it. Now ...
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2answers
801 views

real number of sectors on HDD

This is part of output of fdisk -l Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes 255 heads, 63 sectors/track, 121601 cylinders, total 1953525168 sectors Units = sectors of 1 * 512 = 512 bytes Sector ...
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1answer
4k views

Installing Windows 7 on GPT

I have an HP 566 with Windows 8 installed. I removed it, and I wanted to install Windows 7. I have problems installing Windows 7. In BIOS I can choose two boot modes: Legacy boot mode UEFI boot ...
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2answers
793 views

Factory 2TB GPT disk with 16GB in unused partitions. Is this right?

I just received 4 SATA II Seagate Barracuda 2TB drives that I intend to use for various purposes. Looking at Vista's Disk Management utility I find that all 4 drives come from the factory as GPT disks ...
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1answer
635 views

Second time installation of Win7x64 on GPT fails

I installed windows 7 ultimate x64 on my GPT partition a while back and today I needed to format. The last time the installation was successful without any problems what so ever, but now (during ...
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1answer
329 views

MBR partition with more than 2 TB

Various sources (e.g. 1, 2, 3, 4) claim that hard drives using the MBR partitioning scheme are limited to a maximum partition size of approximately 2 TB, and that you need GPT to support larger ...
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1answer
637 views

Does the 'mount' command rely on MBR to detect partitions, or can it use the GPT partition table?

TL:DR I have Mac, which means I have EFI and a GPT formatted disk with a hybrid MBR. I am considering adding a fifth partition; to do this, I will mask my first three GPT partitions with one ...
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1answer
811 views

How to fix a corrupted(too big) GPT?

So, I got a new SSD. I decided to use GPT instead of MBR on it, so I'm a bit lost. It ended up getting corrupted. I'm not for sure if the GPT just didn't take the host protected area into account, or ...
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1answer
118 views

Intel BOXDH77KC won't boot Linux GPT disk

To be complete, it won't get to grub without going through the boot menu - even if the disk is the only option in the boot menu. (It's annoying enough that I have to hit F10 every time I boot that I ...
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0answers
220 views

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, ...
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8k views

Restore Windows 8 EFI after installing Ubuntu EFI

I installed Windows 8 using EFI, and later on I installed Ubuntu using EFI as well. As I always do, I had trouble with the bootloaders. Ubuntu replaced the bootloader on the EFI, which I was very well ...
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899 views

WD 3TB suddenly RAW formatted - but only whith seconardy Win7 install.%

After looking a bit on the web, I decided to take this problem here, in case somebody has already a solution, or to answer it myself, should I find the Answer. Setup is like this: ASUS Maximus V ...
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1answer
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Running the same Windows both in KVM and physical

I have kind of an advanced question for you, I would like to install Windows on my hard drive (which is GPT formatted) but I would like to be also able to run it in KVM. To clarify, the same Windows ...
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1answer
6k views

Converting windows (bootloader) from mbr to gpt/uefi

I have windows 7 installed on a laptop on a small 160 Gb hard drive that has the MBR partition table. Now I would like to move it to a bigger disk, format it with GPT and multi-boot linux (Fedora). ...
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106 views

Disaster recovery for RAID and mdadm

I´m having a software raid 5 with 5 2TB members. After some work with gparted my RAID doesn´t work any more... How can I check the integrity of each member? What would be my options, if the partition ...
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3answers
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Win8x64, after format/upgrade from Win7x86, “GPT Protective Partition” on secondary drive

I backed up all important data prior to formatting the C: drive, but I cannot read the backup drive after reinstalling Windows. More details provided after the screenshots. Additionally As you ...
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Boot of Windows 7 from GPT disk on non EFI motherboard [duplicate]

Looks like the answer is no but just to double check... Can I boot Windows 7 SP1 x64 from GPT disk (converted with Windows DISKPART) if my system built on BIOS (non EFI motherboard, ASUS P5WDH ...