The GUID Partition Table (GPT) is a method of partitioning disks. It features up to 128 partitions by default and it uses 64-bit pointers, which means it fully supports disks of up to 8ZiB, as opposed to the 2TiB limit of the older Master Boot Record (MBR) partitioning scheme. GPT is most often used ...

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fix the partition indexes OR fix ubuntu EFI

I have a GPT partition table. when i tried to repair the disk on my mac os x 10.9 it deleted the efi partition. I already created it manually but i have a problem: 1- the efi partition instead of ...
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Is it safe to format msftres, msftdata and hidden partitions?

I have an acer V7 which came with a 1TB HDD, 24GB SSD and Windows 8 installed. I have installed Ubuntu onto the SSD and formatted the main partitions of the HDD. However, I also notice 3 other ...
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Grub2 cannot detect Windows 8 [duplicate]

At installation it did not detect Windows. I mounted the Windows partition and have run os-prober with no results returning. I am able to boot Windows or Ubuntu by specifying the partition in UEFI ...
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2k views

Install grub2 on UEFI GPT,create /boot partition and transfer clonezilla image

I would like to do the following: Given: A Windows system on GPT and UEFI with unallocated space on which one wishes to deploy Ubuntu An ubuntu partition, and seperate partitions for /boot and swap ...
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How to create GPT partitioned bootable USB for uefi? I am on ubuntu and am trying to get back to windows

Basically I am trying to get back to windows so I can play league of legends on this pc. Any and all help is appreciated. I am not enjoying playing on ubuntu with playonlinux.
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Can't remove GPT data from MBR

I am having difficulty getting the Ubuntu installer (and gparted) to recognize the partitions on my MBR type disk. Other operating systems and disk tools read the disk structure and the files on it ...
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387 views

Boot existing ubuntu installation on uefi, GPT BTRFS

I have looked through many of the questions, and haven't found anything that quite satisfies this problem. I have an ssd hard drive that is bootable from my old computer. It is a standard BIOS, ...
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2answers
731 views

Convert from EFI to BIOS boot

I have a Samsung Notebook NP900X4C with an LUKS encrypted installation of Linux Mint 15 on it. The system is booting in UEFI mode. The problem is that the samsung-notebook kernel module is disabled ...
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175 views

Ubuntu server 13.04 installed on GPT (3TB) with EFI with full disk encryption doesnt start

my partition looks like this: 1mb unused 256mb "efi boot" 500mb /boot (unencrypted) 16gb swap encrypted rest / encrypted (etc. e.g. /home encrypted) all primary after installation the ...
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217 views

What went wrong with this partition mount?

Error mounting /dev/sda2 at /run/media/Juno/Two: Command-line `mount -t "ntfs" -o "uhelper=udisks2,nodev,nosuid,uid=1000,gid=1000,dmask=0077,fmask=0177" "/dev/sda2" "/run/media/aunshi/Two"' exited ...
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Warning: The Partition is misaligned by XXX - Revisiting this question

I know this has been addressed, but I still have a question: I recently bought a WD 4TB Green hard drive to use as one of my data backups. I made a single partition using GUID instead of MBR. My GUI ...
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89 views

How to remove the limit of a maximum of 16 partions at installation of 12.04 on GPT layout HDD

When I partition the HDD with Gparted (from 12.04 installation media), it encounters an error when trying to format partition named sda16. The error message reads: mkdosfs: Device partition expected, ...
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2k views

partitions aren't shown during installation of ubuntu 13.04

I've bought a new laptop (dell inspiron 15 3521) with windows 8. Since I mainly use linux I removed the 7 partitions windows 8 apparently needed and made 4 partitions using a pmagic live usb (windows ...
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1answer
296 views

Manual Cloning of a mutli partition gpt disk to smaller target

Ok so I have a Asus Laptop that came with 2x 128 GB ssd and its setup as a raid 0 totaling 256 GB. The first 4 partitions are the important ones. I assembled the raid with mdadm and cloned the entire ...
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1answer
651 views

Installing Ubuntu 13.04 onto a computer that already has Windows 7 Pro installed

System: ASUS P8H67-M Pro motherboard with latest BIOS update (AMI 3904, 4/27/2013); Intel Core i7-3770 CPU; Western Digital WD1001FALS-40U9B0 1 TB SATA fixed disk, where all Windows 7 related ...
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Windows 7 & Ubuntu Install (UEFI & GPT partition)

I got a new 1TB disk - so I installed UBUNTU (13.04 64bit) on it to test it out. I couldn't boot to it for some reason so I deleted the partition in Windows and formatted the drive (NTFS). Then I ...
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1answer
889 views

Ubuntu preseed partman gets partition type and size wrong

I want to write a partman recipe in my Ubuntu 12.04 server installer preseed file to partiton my disk. I want it to make the following partitions: BIOS boot area for supporting GPT type partition ...
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2answers
5k views

Ubuntu 13.04 on UEFI system with Windows Boot Manager as the main loader

On my old laptop (legacy BIOS, MBR disk), this was perfectly possible to get working: I turn on the computer and see the Windows Boot Manager I use EasyBCD (or BootPart, or something else) to add an ...
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1answer
344 views

Ubuntu + Windows 8 -> Dell 14z 5423 AHCI / ISRT

I just bought a Dell 14z 5423, which uses UEFI/GPT and Intel Smart Response on the Windows 8. I have been researching and studying how to use it as Dual boot. Thanks to this forum I was able to ...
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1answer
1k views

Ubuntu 13.04 doesn't see my 2TB hard drive

I have a small problem. I switched today from Windows 7 to Ubuntu 13.04 on my home PC. I have installed 3 hard drives - 250GB, 500GB and a 2TB. On the 250GB I have installed the system - clean ...
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1answer
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Can't remove GPT table from hard drive

I have tried everything, but nothing works... Background: Started out with Windows 7, formated and installed Ubuntu and later installed Arch linux with a GPT partition table. Running following ...
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2k views

ZFS on >2TB disk in Ubuntu 12.04?

I just got a 4TB disk and I'm running Ubuntu 12.04. http://www.thegeekstuff.com/2012/08/2tb-gtp-parted/ says you need to partition your disk with GPT if you want to use >2TB (and that you can do this ...
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2answers
2k views

Ubuntu is installed in UEFI mode even after selecting Legacy mode in BIOS

I installed ubuntu on my dell inspiron 14z, currently only in my HDD. Before installing that, I switched to AHCI, turned off Intel rapid storage technology, turned off secure boot. Then while making ...
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1answer
297 views

Errors with GPT and installing Ubuntu alongside Windows7

I have a brand new Dell laptop with a 512e hard drive using GPT. Ubuntu 12.04 in Live CD mode does not recognize the presence of Windows 7 or any partition for that matter: it shows a completely blank ...
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2answers
525 views

How to do a clean install of ubuntu on a GPT disk while keeping the partition table?

Is there anyway to do it? I tried first using gdisk on my old partition table (mbr) then using liveCD to do a clean (and encrypted) installation. After that I ended up with a MBR again. I don't mind ...
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1answer
3k views

EFI Partition vs /boot in UEFI System

I have a HDD Momentus Thin (500GB) + mSATA Samsung (32GB) and I intend to install Ubuntu 13.04 in a UEFI - GPT - Secure Boot - Linux only System. I'll set the "/" (root partition) to use the whole ...
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3k views

Problem installing Ubuntu 13 alongside Windows8 - cannot see partition system

I got quite a problem for some time that prevents me from installing Ubuntu (finally). I got an ASUS laptop bought in late 2012, that came with Windows 7 pre-installed. I upgraded it to Windows 8 (due ...
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1answer
181 views

Ubuntu will not boot

I had Ubuntu running on an acer easyStore box. When the power supply got too loud, I decided to move the harddrive to a desktop box. However, when I tried to boot up, the screen tells me to pick a cd ...
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1answer
242 views

Copy a “bad” GPT partition table to another drive

I'm trying to copy a GPT partition table. To make a long story short, I had a RAID5 on 4 drives (Intel Matrix Storage Manager, not Linux software RAID). What I have now is: 1 empty drive 2 drives ...
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1answer
5k views

grub error: out of disk when booting 12.04 server with hardware RAID5 and gpt

I'm trying to do a new install of 12.04 server on one node of a Dell PowerEdge C6145 with the following spec: 48 cores 512GB RAM LSI MegaRAID 9265 controller 4x2TB disks, configured with RAID5 giving ...
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427 views

Problems with partitioning on GUID Partition Table

I installed Xubuntu on my new Lenovo G580 notebook. When I tried to partition the HDD and it kept making extra 1 MB partitions at the beginning and the end and they looked like unformatted free space. ...
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1answer
426 views

Installing ubuntu on uefi enabled PC

Wait. this is not just another question on running ubuntu alongside windows 8! I have asus n56VJ notebook that comes preinstalled with windows 8. My final aim is to have ubuntu with windows 8,which ...
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2answers
721 views

I want to get rid of Ubuntu and boot my Windows 8 partition

I've installed Ubuntu many times but since I purchased a new laptop (Lenovo Y580) I wanted to try Ubuntu 12.10 amd64 on it. So, without knowing what was UEFI nor GPT I installed it and everything was ...
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2answers
430 views

Plans to automatically support existing GPT partitions during installation?

I have a desktop with a 2TB HD (Used for data) and a 120GB SSD currently used for Windows. The drives use GPT partition tables. I wanted to install Ubuntu side by side with Windows but had a LOT of ...
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1answer
897 views

Backup recovery partition of windows 8 in GPT

My friend have acer Laptop which had windows 8 pre installed and a recovery partition(SDA 7). He want to use only windows 8 but wants to make a backup of his recovery partition(sda 7) since "recovery ...
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3answers
10k views

GPT partition table warning message during install of ubuntu

/dev/sda contains GPT signatures indicating that it has a GPT table. However, it has a fake msdos partition table as it should. Perhaps it was corrupted? Is this a GPT partition table? So, that's the ...
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1k views

GPT table error when trying to install Ubuntu 12.10 64

I am trying to install Ubuntu 12.10 64b on dual-boot with preinstalled W8. I already burnt a bootable USB with ubuntu-12.10-desktop-amd64 and configured my BIOS (EFI, secure boot disabled) to boot ...
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GPT and os x - partition missing

Him I'm fixing my fiends USB drive. AFIK it was inserted into Windows, and partition were corrupted. I did manage to fix GUID headers with gpt_surgeon.py and mount it, but then mac did got messy, ...
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1answer
8k views

How to install linux on a computer with GPT?

I recently installed Windows 7 on a computer. Left a partition to install linux. Today when I tried to install linux, the installer (of two distros that I tried) failed to recognise the already ...
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3answers
4k views

Ubuntu LiveUSB doesn't recognize my Windows 8 installation

I have a laptop with UEFI (secure boot disabled) with Windows 8. I am trying to install Ubuntu 12.10 or 12.04 along side Windows 8 on my primary hard drive, which uses GPT. I am only presented with ...
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2answers
2k views

Accidentally partitioned drive from MBR to GUID

[SOLVED] Thanks everybody, the MBR schema now is restored via TestDisk, and thanks to the author for this piece of software. I wanted to format only my Data (NTFS) partition for a fresh start. But I ...
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1answer
441 views

If I need to Erase GPT data after doing a fixpart, will it also erase all my files on that drive?

Ubuntu 12.04 installer is not recognizing my partition, so I searched for that problem here and found the solution in this link: Ubuntu installation does not recognize drive partinioning So my ...
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1answer
1k views

Unable to install Ubuntu 12.10 on windows 8 machine/ error no5

Installing crashes halfway through "Copying Files," showing an I/O device error error number 5. There was problem in beginning of installation too--Ubuntu was not detecting the installed Windows 8 ...
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2answers
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GPT partition table problem: Windows 7 and Ubuntu dual boot

I hope you guys will help me get through this situation I have gotten myself into. I bought a new samsung ultra book running windows 8. I knew going into the purchase that I wanted to ditch windows ...
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How do I create a multiboot environment using LVM for your *buntu operating systems on a GPT formatted system drive, in a UEFI based system?

My reason for using LVM is that I reinstall, upgrade and generally mess around with my OS installs so much that I have found that LVM gives me fantastic flexibility in moving, expanding, cloning and ...
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1answer
2k views

Create a GPT on a new volume during installation

I'd like to install Ubuntu Precise (current LTS) on a drive, and I'd like to discard the current partitioning and instead create a new GPT on that drive. The ubuntu installer allows me to partition ...
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371 views

Dual boot 10.04 and Windows 7

Before downvote, please this is not a duplicate I read the related questions and couldn't solve my problem. I bought a new laptop that originally had Win8 installed, I formatted it, installed Windows ...
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1answer
3k views

Full hdd capacity not recognised on new additional disk

I've added a new 3TB hdd to my Ubuntu Server 12.04 system for media (already has another drive for the OS), but it's only showing 2.2TB capacity df -H gives /dev/sdb1 2.2T ...
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4answers
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How to remove GPT from HDD?

I have a Asus K55VM-Sx027V laptop and I formated it with Ubuntu because whenever I tried to install Windows 7 64bit, it wouldn't let me because my HDD had GPT protection. Now that I have Ubuntu ...
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2answers
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EFI - GPT dual-boot quantal AMD64 - impossible boot windows 7

I tried to install Ubuntu Quantal AM64 on a EFI - GPT notebook (asus X501U) in dualboot. Ubuntu works fine, but i can't boot windows anymore. HDD is partitioned in this way: sda1 0.2 Gb ...