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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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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inconsistency in showing disk label

I've got my new laptop (thinkpad 440p) with windows 7.1 pre-installed and wanted to have single-boot ubuntu 14.04 on it. I wanted to change the disk partition table to "msdos" (legacy), so I change ...
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1answer
3k views

Dual Boot ubuntu 12.04 and Windows 7 on two separate SSDs with UEFI

With the following setup I get a blinking cursor after installation: Windows 7 64bit installed in first SSD (not UEFI, using MBR) Installation of Ubuntu 12.04 64Bit on gpt partioned disk seems to ...
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1answer
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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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1answer
34 views

GParted claims whole hard drive is unallocated and gives warning about GPT table

For months I have been happily using my 3TB hard drive, and I still do. Today I discovered that GParted shows the whole drive (/dev/sdb) as being unallocated. The drive works fine though. Clicking for ...
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GPT partition scheme

I'm reinstalling my operating systems to use GPT and am willing to do it properly this time... I'm intending to use the following partition scheme: sda |-- sda1 500 MiB EFI |-- sda2 100 GiB Linux ...
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2answers
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UEFI Dual-Boot - Ubuntu 12.04.3 + Windows 8.1 (One GPT HDD)

UEFI Dual-Boot - Ubuntu 12.04.3 + Windows 8.1 (One GPT HDD) Hello, I'm having trouble setting up a dual-boot (Ubuntu 12.04 LTS and Windows 8.1) in my ASUS K55VM laptop's hard drive disk (500 GB). I ...
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3answers
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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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1answer
4k 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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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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1answer
47 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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2answers
64 views

Install Windows 7 with Ubuntu in GPT UEFI mode

My computer is running Ubuntu on a disk in the markup GPT. Ubuntu runs mode UEFI (created FAT32 partition and boot loader was set there). Now I need to install Windows 7 as an alternative system for ...
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1answer
3k views

Dual boot windows 8 (UEFI / GPT) with Ubuntu and boot-repair

I'm asking this question because it seems like every single answer is install Ubuntu breaking windows 8 -> boot from live cd -> run boot-repair -> done. What happens when boot repair won't work? I ...
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3answers
3k views

Windows doesn't boot after Ubuntu installation

I have had serious problems installing Ubuntu and Windows and have dual boot. Recently I installed both operating systems, Ubuntu was the last one, and after that my computer was booting directly to ...
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1answer
106 views

Would Ubuntu 13.10 work on unallocated space with Windows 8.1?

I've not been able to find this answer anywhere else. Are you able to install Ubuntu 13.10 alongside Windows 8.1 on unallocated space? I did this with Windows 7, but I had to cover all of those ...
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2answers
71 views

remounting read-only GPT filesystem as writable

I'm trying to read from a rescued macbook harddrive - here's the info from fdisk -l: Disk /dev/sdc: 250.1 GB, 250059350016 bytes 255 heads, 63 sectors/track, 30401 cylinders, total 488397168 sectors ...
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2answers
8k 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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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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155 views

Previously working external hard drive suddenly not detected - Ubuntu 12.04

I'm running Ubuntu 12.04 on a Lenovo IdeaPad Z580 and have been using the default Backup application with an external SATAIII hard drive. However, when I connected it via USB today, it didn't show up ...
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1answer
994 views

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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115 views

Dual Boot: Gparted shows unallocated [closed]

I have been searching and reading about my problem (AskUbuntu has a nice feature where it suggests threads/questions when you type your question title), but I am not sure if they are the right ...
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1answer
110 views

Installing 13.10 alongside preinstalled Windows 8

I followed this guide to a T: http://www.everydaylinuxuser.com/2013/09/install-ubuntu-linux-alongside-windows.html However, when I get to step 6, I just see my /dev/sda and it says it's completely ...
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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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2answers
67 views

How can I mount software raid drive mdX with fstab

I have raid5 configure with gpt partition to allow working with drive larger the 1.6 TB Ubuntu version is 12.04 and the md drive is 5TB. with: mount -t ext3 /dev/md129 /images mount works ...
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1answer
54 views

USB Drive - Space missing after failed attempt to make it bootable

I was trying to make my USB drive bootable to install Arch (I used dd to write Arch ISO to the USB Drive) but the process was stopped half-way. The drive stopped responding so I tried sudo dd ...
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2answers
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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

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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1answer
314 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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0answers
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How do I check if a GPT or MBR partition table is being used? [duplicate]

I understand that GPT (GUID Partition Table) is the newer partition table format, and that it supports having many primary partitions. How can I check if a GPT or MBR partition table is being used?
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2answers
467 views

Trying to remove leftover GPT Data using Fixparts

So i have a laptop that come with windows 8, like others i dislike it with passion, installed windows 7 over the top (i assumed it would atleast wipe the MBR properly but i dont think so anymore. ...
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1answer
443 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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200 views

Can't boot gpt + raid + lvm disk

I bought a pair of 3Tb disks to replace some existing 2Tb disks in my Kubuntu system. I partitioned them both using GPT, making a small "bios_grub" partition on both: root@allhats2:~# parted /dev/sda ...
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2answers
63 views

How can I install Windows 7(64) after having already installed Ubuntu(64) ? The Windows install manager says it can't install on a GPT drive

I installed Ubuntu(64) on a partition of my 1TB drive. I left 200gb formatted on NTFS to install Windows 7(64) later and 600gb of free space. When I get to the part of selecting the partition to ...
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2answers
1k views

XFS File System Fails - Can't read Superblock

After this (Iomega Home Media disk corruption - data recovery help asked) problem solved... i have a new one.. I'm trying to understand why my Iomega Home Media Stopped working, and need for that to ...
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1answer
124 views

Partition for dual boot UEFI for Windows and Ubuntu

What should be the scheme partition table for two OS. Windows 8 and Ubuntu in UEFI mode. When i installed Windows 8 i have three partition: 1 - MSR 2 - Recovery 3 - EFI boot I need to create that ...
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5answers
12k views

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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1answer
55 views

Can I restore GPT info from MBR ?

I had a problem where my ubuntu installer would not recognize my windows partition, so i looked it up, and someone suggested 'zapping' GPT from my hdd with sudo gdisc /dev/sdb followed by x, z, y, n. ...
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1answer
77 views

rollback GPT after failed 13.10 installation

Upon trying to install Ubuntu 13.10 x64 in EFI mode on /dev/sda8 over an earlier (also failed) 13.04 64bit partition, I selected the partitioning option: "Replace existing Ubuntu 13.04 installation" ...
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2answers
409 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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1answer
2k views

Can't format or delete partitions in pendirve cause of gpt table error

This is what I got while trying to format a partition in my pendirve: Error deleting partition /dev/sdb1: Command-line `parted --script "/dev/sdb" "rm 1"' exited with non-zero exit status 1: Warning: ...
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1answer
69 views

Problem during Install

I currently have Windows 7 installed on my Dell Inspiron 15R 5537 laptop. I'm facing this issue while trying to install Ubuntu: I click on Yes, I click No... and nothing happens. Any ideas?
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0answers
33 views

keyboard issues

would it be possible to identify whether my keyboard issues are hardware or software related? After upgrading my HDD to SSD , some keys stopped working; such as Enter, z, left arrow keys and all fn ...
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5answers
9k views

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 ...
0
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0answers
128 views

After installing Ubuntu as dual-boot: HDD Raw format

I had installed Win7 on my SSD 128gb and wanted to add Ubuntu 12.04 LTS on it. My Ubuntu ISO was created on an USB Stick using Yumi Multi-OS installer. So i booted from USB, selected Ubuntu and then ...
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1answer
3k views

Ubuntu USB won't boot - “Missing Operating system”

I have an ASUS G75VW with UFEI. Since I bought it, it has been a pain in the ass to get Ubuntu working beside Windows. I finally made it but this week I decided it was time for a new install and after ...
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5answers
4k views

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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1answer
425 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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1answer
1k views

How to add Ubuntu to the Windows 8 Boot Menu with a GPT Harddrive

I would like to know how to add Ubuntu to the Windows 8 Boot Menu using bcdedit. I have UEFI with secure boot enabled and both OS's can be booted from the UEFI boot menu by pressing F9. I also have ...
14
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2answers
37k views

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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1answer
134 views

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 ...