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 ...

learn more… | top users | synonyms

0
votes
0answers
122 views

Ubuntu and windows 8.1 dual boot gpt

I have Ubuntu 14.04 installed and I want to install windows8.1 . I have created a partition for windows . I have a separate boot partition but I heard I needed a EFI partition.I still have 300mb ...
2
votes
3answers
696 views

how to factory reset a usb?

How do you factory reset a usb? I have a hp 4gb usb that seems like it has a messed up partition table and ubuntu isn't recognizing all the space. I've tried formatting it in disks. That doesn't ...
0
votes
2answers
837 views

GPT talbe corrupt after RAID1 setup

So I'm completely new to Ubuntu and am trying to set up a backup/media server at home. I saw the guide on Lifehacker and figured I'd give it a try. My system is an i3 3225 on an Intel DH77DF mobo ...
3
votes
1answer
3k views

Unable to install Ubuntu 14.04 LTS on Sony VAIO T-Series laptop

I have a Sony VAIO T-Series (SVT15117CDS) laptop that came pre-installed with Windows 8. After having the computer for a while, I updated it to Windows 8.1. I now want to put Ubuntu 14.04 LTS onto the ...
2
votes
1answer
1k views

Completely messed up grub/efi/gpt dual boot

I seem to have almost entirely screwed up my machine. I was attempting to install an ubuntu liveusb to my external hdd, but in the process I messed up my internal setup. The external one works ;) ...
0
votes
3answers
126 views

how can I get rid of GPT if I want to install single boot Ubuntu

I have got my new laptop and want to install Ubuntu 14.04 on it(single boot system) from usb live disk. Since my disk is less than 1 TB, I want to have legacy boot and non-GPT partition. What can I do ...
1
vote
0answers
58 views

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 ...
2
votes
1answer
2k 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 ...
0
votes
3answers
1k views

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 ...
1
vote
1answer
641 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 ...
0
votes
2answers
377 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 ...
0
votes
1answer
381 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 ...
0
votes
2answers
2k 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 ...
1
vote
0answers
1k 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 ...
0
votes
2answers
2k 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 ...
0
votes
1answer
226 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 ...
1
vote
1answer
204 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 ...
6
votes
1answer
2k 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 ...
15
votes
1answer
3k 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 ...
2
votes
1answer
6k 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 ...
2
votes
2answers
20k views

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 ...
1
vote
2answers
5k 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. ...
0
votes
2answers
297 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 ...
0
votes
1answer
280 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 ...
0
votes
1answer
198 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. ...
0
votes
1answer
114 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" ...
2
votes
2answers
970 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. ...
1
vote
2answers
10k 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: ...
0
votes
1answer
74 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?
0
votes
2answers
4k 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 ...
1
vote
3answers
7k 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 ...
0
votes
1answer
8k 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 ...
0
votes
1answer
5k 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 ...
1
vote
1answer
961 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 ...
0
votes
1answer
5k 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 ...
0
votes
1answer
296 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 ...
6
votes
1answer
13k views

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 ...
0
votes
2answers
5k views

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 ...
0
votes
1answer
3k 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 ...
0
votes
1answer
2k views

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.
1
vote
1answer
2k views

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 ...
0
votes
1answer
567 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, ...
1
vote
2answers
1k 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 ...
-2
votes
1answer
242 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 ...
0
votes
2answers
4k 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 ...
2
votes
1answer
109 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, ...
0
votes
1answer
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 ...
1
vote
1answer
545 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 ...
1
vote
1answer
749 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 ...
0
votes
1answer
2k 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 ...