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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How to remove redundant grub from a GPT hard drive?

I once installed Debian onto my hard drive with GPT so there is a grub on it. Recently I erased Debian and install Windows Server 2012. But the grub is still there (which can launch nothing and I am ...
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How to add unallocated space to a logical volume? using LVM

This is how my 2 TB (GPT) hard disk looks like sda1 1 MiB Bios_boot sda2 1024 GB LVM --- vg1 1024 GB --- lv1 24 GB ext4 lv2 1000 GB ext4 800 GB ...
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OS X 10.6 Snow Leopard no longer mounting an external USB drive

I have a 1TB generic external hard drive containing a single HFS partition. I originally formatted this using Disk Utility and it worked fine. Now, for some reason, it's not auto-mounting when I start ...
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Can't intall Win 7 64Bit. Something about GPT disk

I've got Asrock Z68 Extreme 3 Gen 3 with 2600k. It got the UEFI bios. I got 4 HDDs and I run them as AHCI setup. Now, I want to install Win7 64Bit over my Win7 32Bit. I boot up from the DVD, all goes ...
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Installing Windows 7 on UX31A's GPT disk

There are a lot of Windows/GPT-related questions out there, but from what I've been reading these past hours, I seem to be doing the right thing... except, well, obviously not. I'm trying to install ...
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Why does my 3TB hard disk fail to boot when I switch the controller from AHCI to RAID?

Why does my 3TB hard disk fail to boot when I switch the controller from AHCI to RAID? Something I have noticed: using diskpart while in the command prompt in disk recovery tools it says that the ...
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Why wont my computer boot from the logical raid volume while installing Windows 7

I have new computer I built the motherboard is an ASUS Sabertooth 990FX. The motherboard has UEFI instead of normal BIOS. The problem I have is when I try to install Windows 7 with my motherboards ...
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How to write to both GPT and MBR manually?

I have a big deal here. I have a MacBook with three partitions: HFS partition for Mac OS X 10.6 NTFS partition for Windows 7 64-Bit NTFS partition for my documents It thus works with both GPT and ...
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Why there is a partition type in GUID Partition Table?

Why there is a partition type in GUID Partition Table? What are they using for?
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What does the Boot Camp Assistant do to my drive that I can't just do with Disk Utility?

What I understand is that Windows 7 will not install on GPT (GUID Partition Table) drives. Of course, all new Macs have their drives partitioned that way, and when you run the boot camp assistant, it ...
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ASUS Recovery DVDs does not “INSTALL” windows

My ASUS R500VM has UEFI and GPT scheme disk. Earlier, I tried to resize the default partitions using EaseUS but it failed and couldn't boot anymore. It showed the message that I have to insert the ...
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Seagate 3TB ST3000DM001 hard drive not recognized by Linux, causes fdisk to hang

I'm running Kubuntu 12.04. I have a brand new, never used Seagate 3TB ST3000DM001 hard drive. It's an internal drive. I installed it in a USB enclosure. When I connect it to my PC, nothing happens ...
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Change GPT parition number

I have a 2TB GPT drive that for some reason is mounted as /dev/sdc2. I would prefer all my data drives to be mounted as /dev/sd*1. If I use sudo parted /dev/sdc print I get: Model: ATA WDC ...
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How to fix my GPT and MBR (hybrid)?

I was trying to create a triple boot (Ubuntu, OS X and Windows), so I used VirtualBox to install Windows 8 (Consumer Preview) to a real (FAT at the time) partition, so it wouldn't have access to my ...
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3TB Seagate hard drive shows 249GB free when installed

my new seagate sata drive keeps showing as a 249gb drive but in the setup part when i press del at the boot up it states there a 3000gb drive and i have searched for a solution but havent found one ...
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3TB Drive doesn't always show up initialized in USB3 Dock

Have a perfectly fine 3TB GPT drive which shows up in most of our machines when direct connected and often in docks. But, we've used it in a few new USB3 docks and sometimes it will show up as ...
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Cannot use more than 746GB on 3TB Drive that is reporting 2TB free

Related: Tried to use my 3TB drive in a USB enclosure, now reports only 746GB even internally I originally solved the problem in the link above by deleting the partition table using GParted ...
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Getting rid of a GPT signature without touching MBR [duplicate]

Possible Duplicate: GParted errors on MBR Disk, Claims it's GPT. (It's mistaken, but why?) I have a disk that seems to contain both an MBR and a GPT. When trying to access the ...
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How to install Windows 7 x64 on GPT?

How can I install Windows 7 x64 on GUID partition table? My motherboard has UEFI. I tried using Ubuntu to create the GPT and NTFS partition on it, but Windows 7 just says Windows cannot be ...
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2k views

Windows cannot install to GPT?

I have installed Ubuntu 11.10 x64 onto a 500GB SATA (Seagate Barracuda ES.2) drive. I have downloaded Windows 8 Developer preview x64 onto a USB stick and I can't install it on a NTFS partition I ...
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How can I format a drive using the GPT format on OS X?

How can I format a drive using the GPT format on OS X? I don't see this option in Disk Tools.
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427 views

Accidently put BtrFS on plain device - how to revert?

On a fresh hard disk, I created a GPT partition table with three partitions: /dev/sdd1 256M for /boot /dev/sdd2 8G for swap /dev/sdd3 ~1T for / Then, I accidently formatted the raw device ...
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442 views

Move from MBR partition to GPT partition — can't boot

I'm trying to install Funtoo/Gentoo on my desktop. I have the GPT partition table set up and I can boot the kernel. However I keep getting an error: /dev/sdb3 is not a valid block device I'm ...
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962 views

Windows 7 can't find my GPT drive

I added a new 2TB drive to my system yesterday. I'm running Windows 7 32-bit. After booting up, Windows formatted the drive and suggested I format with GPT. I said yes, the format went fine, and a ...
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GUID/GPT Partition scheme: OS X + Windows

I always used Linux (Ubuntu) in a dual boot configuration with Windows (using Grub). Having Windows on your computer is always handy. I bought a MacBook Pro 8.1 last week. OS X is amazing. I followed ...
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Windows 7 + Ubuntu dual boot + conversion to GPT

I have received a new Lenovo T420 laptop with Windows 7. The disk now contains: a hidden SYSTEM_DRV boot partition (1.17 gb, 400mb used). I'm guessing this is the EFI partition, the laptop comes ...
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1answer
316 views

Re-installing Windows on MacBook Pro

I have triple boot installed. Everything works smoothly, but Windows is crying for re-install (overfilled registry, too many programs installed). Before MacBook Pro I would typically create another ...
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Tried to use my 3TB drive in a USB enclosure, now reports only 746GB even internally

I have two 3TB Hitachi 5k3000 Desktar drives that I want to use as data drives, not boot drives. When I was originally trying to install them I wanted to mirror them using my hardware raid but I ...
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2answers
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NTFS partition no longer read on Windows 7

I have a 500 GB external drive that I use with my Windows 7 PC and Snow Leopard laptop. It has the following 4 partitions: 1. Leopard Installer (HFS+) 2. Backup (HFS+) 3. Snow Leopard Installer ...
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Is GPT aligned for 4k blocks?

The Wikipedia article for GUID Partition Table does not make it clear whether it is aligned to an underlying 4k-block filesystem. Seeing as the diagram shows the first block of the data sector as ...
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245 views

Boot utilities for 3 TB hard drives

What hard disk/partitioning/GPT/cloning/etc. utilities are there to have on a bootable USB drive or CD/DVD, that can work with NTFS and other file systems, on hard drives greater than 2.1 TB?
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Missing MB on a GPT partioned SSD

I recently installed Arch Linux on an Intel 40GB SSD. I used GPT for partioning (via GNU parted) and created the following partions: /dev/sda1 : 1 MB, no FS, flag=bios_grub /dev/sda2 : 30MB, /boot, ...
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More than 4 primary partitions on MacBook with rEFIt (GPT/MBR syncing)?

I currently have a triple-boot on my MacBook (OS X 10.6.5, Windows 7, Ubuntu 10.10) which works very well. I'd like to now make an ExFAT storage partition that would be shared amongst the three OS's, ...
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2answers
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2TB external drive, disk initialization: MBR or GPT

I just bought a new 2TB disk drive I plan to use as an external drive (connected via eSATA). When I started my computer it recognized the drive fine, but when I got into the Disk Management, a popup ...