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

1
vote
3answers
5k 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 ...
2
votes
2answers
5k views

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 ...
1
vote
2answers
11k 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 ...
0
votes
2answers
484 views

Dual boot Windows 7 UEFI Raid with Ubuntu 14.04 Grub2 Problem

I used the intel Raid 0 to raid SSD #1 and #2 on raid 0 for video editing work, everything was good.I installed windows 7 64bit on an asus x79 deluxe motherboard on these raid 0 two ssds using ...
0
votes
2answers
434 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
2answers
212 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
2answers
3k 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 ...
0
votes
2answers
740 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 ...
2
votes
1answer
95 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, ...
2
votes
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 ...
1
vote
1answer
161 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 ...
1
vote
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 ...
0
votes
1answer
212 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
1answer
132 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 ...
0
votes
1answer
211 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
100 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
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
1answer
3k 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
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.
0
votes
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
362 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 ...
0
votes
1answer
300 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 ...
0
votes
1answer
186 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 ...
0
votes
1answer
251 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 ...
0
votes
1answer
923 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 ...
0
votes
1answer
815 views

ubuntu 12.10 grub doesn't appear efi mode

After a number of failed attempts on installing Ubuntu and Linux in the hybrid-gpt of Windows, in which I wanted different partitions by gparted, I ended up creating againg a conventional partitions ...
0
votes
1answer
440 views

Have I fixed my partition problem with os x 10.5.8? Are my GPT and MBR back to normal?

I'm new to linux and I have overstepped by abilities. I tried dual booting os x 10.5.8 with ubuntu 11.10 with rEFIt, but I been having problems with partitioning. Instead of enduring more headaches, ...
-2
votes
1answer
224 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 ...
1
vote
0answers
34 views

USB dock for 4TB Seagate HDD only works with less then 2.2TB of data

I have one of those Seagate 4TB HD and everything went fine using GPT, I could use it normally without any problem. I used gparted to format and create the partition table as ext4. Everything changed ...
1
vote
0answers
39 views

How to re-create the partition table?

I accidentally dd the first 512 bytes using dd if=/dev/zero of=/dev/sdb bs=512 count=1 and the partition table is now gone. Is there ANY way to re-create the partition table(/dev/sdb). My hard ...
1
vote
0answers
50 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 ...
1
vote
0answers
408 views

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, ...
0
votes
0answers
13 views

GPT partitioning on a bios/non-efi motherboard with a SSD

I have a 2 year old Intel DH67CL1 BIOS motherboard(non-efi). I am reading about GPT partitioning and wonder whether it is useful in my case. I have still reservations whether to use GPT and what ...
0
votes
0answers
18 views

can not make primary patition or logical (MBR to GPT)

I wish to make dual boot windows and ubuntu on del inspion 5721 comes with ubuntu installed Hard disk consists of 3 primary and extended swap partitions In order to get new partitions from free ...
0
votes
0answers
18 views

Convert Physical to Virtual - GPT System Error

I'm trying to convert physical Ubuntu machine to virtual using VMware. I keep getting this error: "The source computer has GPT disk(s). Conversion of live computers with GPT disks is not ...
0
votes
0answers
47 views

Deleted my previous linux partition and now getting stuck at grub boot prompt when i boot from usb/ use “ubuntu” option in bios/EFI boot menu

Let me tell you the full story. I had installed ubuntu and used it. Recently i wanted to use windows only (Windows 8.1) So, i deleted the linux partitions from the diskmgmt.msc in windows.I also used ...
0
votes
0answers
39 views

Installer hangs on “Detecting File Systems…”

I managed to completely screw up my system while trying to install Windows 8. I decided to reinstall and only format my / and /usr partition to keep my data. My installation is now hanging on ...
0
votes
0answers
89 views

Problem with the installation on ubuntu 14.04 LTS

I had a computer running Windows7 and wanted to change to Ubuntu. So I installed the 14.04 LTS version and all seemed to have gone cool. (I'd like to make clear that I want just Ubuntu in the ...
0
votes
0answers
75 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 ...
0
votes
0answers
1k 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 ...
0
votes
0answers
466 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 ...
0
votes
0answers
37 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 ...
0
votes
0answers
163 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 ...
0
votes
0answers
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 ...
-1
votes
0answers
7 views

Problem partitioning ubuntu as dual boot

I have installed windows 8.1 (64bit), when i try to install ubuntu alongside with windows, it doesn't shows the Alongside windows option, and when we select sometlthing else option, it shows as if the ...
-1
votes
0answers
1k views

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 ...