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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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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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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1k views

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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656 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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2answers
439 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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2answers
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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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Make UEFI, GPT, Bootloader, SSD, USB, Linux and Windows work together

I like to use the latest hardware and the latest software; thus I have a Laptop (Lenovo X220) with UEFI instead of BIOS an SSD instead of an HDD GPT partitioning scheme instead of MBR USB to boot ...
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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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2answers
835 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
198 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
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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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217 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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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
3k 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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980 views

Free program to clone 3TB hard drive to another one with USB3 support in Windows 7?

All I'm trying to do is clone one WD 3TB GPT drive to another identical drive. One is internal, one is attached with a USB 3.0 dock. I'm copying from internal to external drive. Macrium Reflect ...
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1answer
447 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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3answers
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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
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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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0answers
101 views

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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5answers
28k views

Clone a Windows Installation to a 3TB Hard Drive; MBR to GPT

I have Windows 7 Professional 64-bit installed on my desktop. Unfortunately for me and my wallet my hard drive is failing. I have purchased a 3TB hard drive as a replacement for my current 2TB ...
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2answers
23k views

How to recover data from a GPT protective partition?

Can I get IMAC data back from a WD1600SJ HDD which shows as GPT protective partition in Disk Management?
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Dual Boot Installing Ubuntu 12.04 with Windows 7 (64) on a non UEFI system fails

I cannot seem to install the correct boot loader for a non-UEFI firmware system. I'm trying to install Ubuntu 12.04 and Windows 7 (64) which are technically compatible with GPT but for windows only if ...
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1answer
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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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744 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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1answer
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How to install Windows 7 64 bit on a second partition on a GPT style disk?

I'm trying to install Windows 7 64 bit on the second partition of my harddrive, but when I select the second partition in the installation process, I'm unable to install onto it because Windows ...
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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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1answer
645 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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2answers
810 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
647 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
337 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
838 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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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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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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222 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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909 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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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
969 views

Quad-booting a Macbook Pro?

I know that it is possible to tri-boot a Macbook Pro with OS X, Windows, and Linux, giving each OS one partition. However (and I know I am probably a little crazy for suggesting this), is it possible ...
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Will Windows 8 install on MBR?

So will Windows 8 install on a disk which is of partition scheme MBR? Also, can there be anything like MBR and UEFI? (Isn't it GPT + UEFI?) Do the First Generation of Intel Core (i3,i5,i7) support ...
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3answers
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Upgrading to UEFI / GPT / Windows 8

I've recently upgraded from Windows 7 / VMware to Windows8 / Hyper-V with my Dell M6600 and I'm really please with the result. I admit though I like to run the latest stuff so I was wondering is ...
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1answer
666 views

Data recovery after conversion from MBR to GPT

I have following situation: by accident I run diskpart clean, then convert to GPT against NTFS MBR disk to which I previously backed up all my data... No other actions were performed with this disk so ...
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3answers
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Change partition map type without data loss

I have en external HD that I use with OS X. When I bought it, it was formatted for Windows (NTFS). I deleted the NTFS partition and created a new HFS+ partition. Then I copied 500 GB of material over. ...
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1answer
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Unable to Boot Windows 7 after GPT/RAID migration

I recently did a migration off of a single hard disk to a RAID array. I backed up my partitions with Clonezilla and everything worked fine. I was able to then restore both my Windows 7 Bootloader and ...
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1answer
259 views

Deleted the GPT partition/ record

A friend of mine had GPT partition n his Lenovo laptop. While formatting the computer and reinstalling the OS, I wiped of all the partitions, and created 4 new partitions. Now after installing ...
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1answer
2k views

How do you remove a hard drive's GPT Protective Partition without compromising its functionality?

I recently bought an Iomega NAS drive but I want to install my own operating system on it. I connected the hard drive to my computer with a SATA to USB casing but under disk management it says it is a ...
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Is Thermaltake BlacX eSATA Docking Station compatible with 3TB hard drives? [closed]

Is hard drive toaster such as Thermaltake BlacX eSATA Docking Station compatible with 3TB hard drives such as Western Digital Caviar Green 3 TB SATA III 64 MB Cache Bare/OEM Desktop Hard Drive?
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Windows 8 EFI issue

I am trying to install windows 8 on laptop with Raid 0 (stripe) as second system and have following error: Windows can't be installed on drive 0 partition 6 (show details) Details says: Windows ...
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295 views

3 TB HDD won't reactivate

After doing a clean install of Windows 8 my Seagate 3 TB HDD won't reactivate in Disk Management. The two volumes are there but I can't use them for some reason. The drive was previously used with a ...
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9k views

Easiest way to use a > 2TB internal hard disk in Windows XP 32-bit?

I have an 3TB external disk and Windows XP 32 bit. It works as a USB 2 disk with its enclosure, but I want to use it as an internal SATA disk. I don't want to use it as a boot disk, only as a data ...
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914 views

Problems with Windows 7 + Windows Server 2008 R2 multibbot on EFI computer

We have a new computer, and I am a bit confused from its new features I don't know from older hardware. It is a high end PC based on socket 2011. I want to use an SSD disk for operating system, and I ...
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2answers
768 views

My new Intel X25-M G2 and the alignment thingy

I just bought a new SSD for my laptop, which is going to be a server running ArchLinux with grub2, GPT and btrfs. My layout should look like this: (grub-partition?) /boot ext2 75MB / btrfs ...