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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Can't boot into Windows 7 EFI GPT after recovery operation

My question, or rather issue, is in the extent of this previous case in which I wanted to grow my Linux (ext4) partition. The partition /dev/sda6 was in the way of doing this and since it contained ...
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2answers
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How can I change/convert a Ubuntu MBR drive to a GPT, and make Ubuntu boot from EFI?

I recently have upgraded my PC, my new Motherboard (ASUS M5A99X EVO) uses UEFi instead of the regular MBR option. I have a Ubuntu 11.10 installation that I did when I had my previous hardware (MSI MS ...
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2answers
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Why does the first partition start at sector 34 when I choose “Guided - Use entire disk” during install?

After choosing "Guided - Use entire disk" during installation of Ubunsut Server 12.04 I find that the first partition starts on sector 34. Why that specific sector and not the first one? (parted) ...
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Proper alignment of partitions on an Advanced Format HDD using Parted

First I create a properly aligned partition in a new GPT table using parted by specifying percentages for start and end of the partition: # parted -a optimal /dev/sdb GNU Parted 2.3 Using /dev/sdb ...
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1answer
319 views

No USB Devices picked up on restart to windows 7 from ubuntu

I have dual boot windows 7 and ubuntu 13.10 on efi Dell Inspiron 14z 5423 ultrabook. My devices are recognized well in Ubuntu. If I reboot the system (i,e switch from Ubuntu to Windows 7) and start ...
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1answer
644 views

Install 11.10 on GPT with separate /home partition

I'm trying to install ubuntu / mint on my lenovo 570. Since it's better to use GPT, i'm trying to use that. I get these problems, either some partitions are misalligned, GRUB doesn't install or it ...
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3answers
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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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2answers
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Mount exited with exit code 13

I have a 1TB external hard drive that I recently formatted to NTFS. It was mounting on my Ubuntu 11.10 fine until just now. I didn't make any changes to affect my OS or my exhdd. The error that I get ...
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1answer
7k 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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5answers
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Installing Ubuntu 12.04 on EFI system

Fellas, need help. Trying to install Ubuntu 12.04 on laptop to dual boot alongside Win7. I have UEFI and GPT partitioning scheme. It has optional Legacy boot mode though. I can boot from Ubuntu USB/CD ...
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5answers
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Ubuntu 12.04 installer does not recognize Windows 7

I recently purchased an ASUS N56VZ-ES71 laptop which came with Windows 7 Home Premium installed on it. I wish to dual boot Windows 7 and Ubuntu 12.04 on it. I shrank the hard drive partitions to leave ...
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1answer
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Comprehensive guide to install Ubuntu 12.10 x64 after Windows 7 on UEFI and GPT disk [closed]

My laptop is currently running Windows 7 64-bit on a GPT disk. Instead of BIOS, the laptop also uses UEFI. After googling around, I cannot find any guide for this problem (maybe my googling skill is ...
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3answers
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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
13k views

How to fix MBR partition prior to Ubuntu Installation? A partition overlaps GPT backup sectors

My main problem is that i have just acquired an ASUS laptop with WINDOWS 7 and I want to install Ubuntu on it. I want to have a dual boot to choose between both Operating systems, I read that it's ...
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3answers
17k views

Why do I need to create a bios-grub partition when I install 12.04?

Is the bios-grub partition in Ubuntu 12.04 mandatory? I have used 11.04, 11.10 and 12.04, But I was never asked for this. Today I tried a fresh installation of Ubuntu 12.04 and for the first time ...
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votes
3answers
8k views

How to install Ubuntu on an (U)EFI device with existing GPT?

I had Ubuntu 11.04 running till now. Now I want to reinstall Ubuntu with nearly fresh 12.04. I had much trouble last time to install Ubuntu because of EFI. Yet somehow I somehow got it running. But I ...
2
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1answer
3k views

How to install Grub2 on Macbook Pro with the grub-install command without warning about “blocklists” requiring the use of --force?

I have a Macbook Pro 5,2 and I've had a sporadic problem with having to reinstall GRUB after a system update. This has happened with several of the recent versions of Ubuntu, although I don't have an ...
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5answers
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How do I install Ubuntu 12 on a 64bit PC with UEFI and GPT SSD disk, with no current OS?

How do I install Ubuntu 12 on a new 64bit PC which has UEFI instead of BIOS and a GPT formatted SSD disk, with no current OS ? I have already tried and although it seemed to install, it would not ...
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2answers
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Dual Boot Installing Ubuntu 12.04 with Windows 7 (64) on a non UEFI system

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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votes
2answers
3k views

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 ...
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1answer
129 views

Partitions mixing up

I am trying to install ubuntu alongside my windows 7. The problem is that ubuntu is not detecting all of my partitions and basically clubs together many of them. The same thing is done by using ...
2
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1answer
791 views

GPTsync mismatch problem

I have a hybrid disk. After trying to copy some files from another disk to this one, I lost my OSX and Ubuntu boot capability. Ran gptsync and got: Current GPT partition table: # Start LBA ...
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votes
4answers
702 views

Windows 7 and 11.10 side by side from scratch what am I doing wrong?

I have tried everything I can think of at this point and I'm at a total loss. I have a 2TB drive I want to install Windows 7 and 11.10 (both are 64 bit) side by side, but once I install Windows it ...
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1answer
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Help me!! Extract partition table GPT

English is not my native language, so I apologize. I want to remove the partition table from my hard drive /dev/sdb and then put it on my disk /dev/sda, but when running the following command: sudo ...
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votes
1answer
73 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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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 ...
2
votes
0answers
89 views

Ubuntu 12.04 installer and gparted do not detect the existing windows partitions [duplicate]

Possible Duplicate: How to fix MBR partition prior to Ubuntu Installation? A partition overlaps GPT backup sectors I just bought a new laptop that comes with Windows 7 preinstalled and I ...
2
votes
2answers
8k views

Ubuntu 12.04 installation on GPT + RAID going into grub rescue [closed]

I have two 2TB disks. I am installing Ubuntu 12.04 using the alternate version of the server cd. On the partitioning page I have done my partitioning as follows /dev/sda1 - 32 MB - bios_grub ...
2
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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
416 views

3TB HDD and legacy BIOS

I have new 3TB HDD and motherboard with legacy BIOS. To take advantage of full HDD capacity I have to use GPT partition table. I want to dual-boot Windows 8.1 and Ubuntu 13.10 (64-bit) from this HDD. ...
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vote
1answer
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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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2answers
488 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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1answer
2k 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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vote
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
48 views

Reliable UEFI GPT multiboot environment creation for Ubuntu on Thinkpads

Dear Ubuntu community members, I am planning on a fresh multiboot installation environment which initially includes Ubuntu for general open software development, Windows 7 pro and later on maybe ...
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3answers
5k views

Ubuntu 13.10 installer (alongside windows 8) and gpt partition

I found several answers regarding that issue but I'd still like to get some confirmation on how to behave in this situation. I bought a quite recent laptop with a pre-installed Windows 8 on a 128Gb ...
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1answer
2k views

Encrypted 3TB USB drive GPT /GUID shows wrong size in ubuntu 12.04/64bit

My external USB drive with GUID Partition Table shows wrong size and i am thinking thats stopping TrueCrypt from mounting it. The disk is Formated in Win7 and works there fine. The 2. partition is ...
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2answers
3k views

How to install gpt fdisk 8.4 in Kubuntu 12.04

I'm using Kubuntu 12.04 (64bit). The Ubuntu repos contain gpt fdisk 8.1 which is not the latest. The latest version is 8.4 and it contains some bug fixes I want to have. I downloaded the latest deb ...
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vote
1answer
751 views

LUKS on >2TB disk

I have a 3TB disk which I want to encrypt. As soon as I create a file system (mkfs.xfs or ext2-4) in the encrypted partition it outputs "Attempt to read block from file-system resulted in short read ...
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vote
1answer
479 views

GParted and Ubuntu installer does not recognize Windows partition, but Ubuntu does

So, I'm trying to set up a dual-boot of Windows 7 Ult 64-bit with Ubuntu on my computer. The computer has UEFI firmware and originally came with Win 8. It has a 16GB SSD and a 1TB HDD. I intend for ...
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1answer
430 views

Dual boot on seperate hard drives - Windows 7 MBR and Ubuntu GPT

My question is simple. I currently have Windows 7 (64-bit) installed on a SSD MBR partition. I also have a 3TB HDD that I am splitting between extra Win-7 storage and what will hopefully be an Ubuntu ...
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vote
1answer
581 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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1answer
4k views

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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1answer
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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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1answer
397 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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vote
1answer
407 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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1answer
320 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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vote
1answer
2k 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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1answer
805 views

3TB non-boot hard disk on older motherboard

It is time to expand the capacity of my Ubuntu home file server so I would like to purchase some 3TB hard disks. However, I am concerned with potential compatibility issues. I've tried searching ...
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1answer
10k views

Change MBR to GPT on external hard drive with data

Change MBR to GPT on external hard drive with data: I found a way for the internal one here. However the External drive is a Data drive only, I dont't need to care about any bootloaders etc. So is ...