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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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 ...
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1answer
46 views

Unable to mount a partition of external 3TB hard drive..GPT warning

My external HDD has five partitions and I am able to mount 4 partitions except one (labeled office) which is of 1TB and has all my backups. I am providing more information below fdisk -l Disk ...
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55 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 ...
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1answer
49 views

Two partition tables are unrecognized

While trying to installing Ubuntu 14.04 as my sole operating system, I've been encountering a number of issues (Described in more depth at Ubuntu 14.04 installation crashes with "???" ...
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1answer
67 views

Delete Ubuntu from dual boot Windows 8.1 in GPT disk [duplicate]

I'm using Windows dual booting with Ubuntu. I have uninstalled, and at that time my disk was formated as MBR. After deleting all partitions of Ubuntu I choose to rebuild the MBR in my disk. That way ...
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/dev/sdb contains GPT signatures, indicating that it has a GPT table. However, it does not have a valid fake msdos partition table, as it should [duplicate]

When I open gparted I get the following warning: /dev/sdb contains GPT signatures, indicating that it has a GPT table. However, it does not have a valid fake msdos partition table, as it should. ...
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Windows can read USB stick partitioned by Gparted

I have a 8GB Adata S101 USB flash stick. i used Win 32 disk imager to install ubuntu 14.04 from my USB stick, after installing Ubuntu, windows 7 could not recognize the flash stick anymore so i ...
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2answers
167 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 ...
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1answer
29 views

Problem installing Ubuntu On Mbr disk Scheme not GPT

I'm having trouble installing Ubuntu on my Mbr disk scheme with windows 7 already installed on UEFI Legacy mode but when trying to manual specify partition for installation i found 3 more partitions ...
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234 views

How to fix “Warning: 0xEE partition doesn't start on sector 1. This can cause problems in some OSes.” [closed]

I was running fixparts to delete the stray GPT data. I got the following message Warning: 0xEE partition doesn't start on sector 1. This can cause problems in some OSes. How do I fix this? I ...
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45 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 ...
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3answers
162 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 ...
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2answers
119 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 ...
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1answer
663 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 ...
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1answer
224 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 ;) ...
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2answers
70 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 ...
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46 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 ...
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1answer
266 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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3answers
184 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 ...
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1answer
176 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
112 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
171 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
288 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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0answers
273 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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2answers
208 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
104 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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1answer
150 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
651 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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658 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
2k 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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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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1answer
2k 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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363 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
9k 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 ...
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2answers
1k 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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2answers
167 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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1answer
187 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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1answer
81 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
89 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
588 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
4k 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
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?
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34 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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2answers
2k 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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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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0answers
151 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
4k 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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1answer
4k 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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1answer
584 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
2k 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 ...