Super User
Super User

Questions tagged [gpt]

GUID Partition Table (GPT) is a format for partition tables that was designed within the UEFI specification by Intel. It was designed as the successor to the Master Boot Record partition tables.

Not to be used for questions about ChatGPT, the AI language model.

699 questions
51
votes
3 answers

Converting between GPT and MBR hard drive without losing data

NOTE: I don't know a lot about hard drives so you're going to have to work with me here. My question: Can I change my hard drive from GPT to MBR without losing data on it? NOTE: there isn't an operating system on the laptop which I'm going to do…
Mahmood Darwish
  • 633
46
votes
1 answer

Windows detects GPT disk as MBR in EFI boot

This disk is OCZ VERTEX 128GB SSD. It is formatted as GPT from OSX. The disk layout is, /dev/disk1 #: TYPE NAME SIZE IDENTIFIER 0: GUID_partition_scheme *128.0 GB …
Sarim
  • 593
29
votes
2 answers

Are GPT partitions less likely to get corrupted than MBR-based partitions?

GPT (GUID Partition Table) partitioning has some benefits over MBR (Master Boot Record), including Support for: More partitions (128) Drives larger than 2 TB But are there any other benefits like less likelihood of corruption? (The two HD failures…
Clay Nichols
  • 5,448
24
votes
2 answers

What are the differences between MBR vs GPT vs any other partition scheme?

Can anyone tell me what the main differences between i.e. MBR vs GPT or any other partition scheme are? Why would one choose one over the other? I am not an expert but from new release of Mac OS X which includes a feature called Time Machine, which…
Safran Ali
  • 896
23
votes
8 answers

Live resize of a GPT partition on Linux

On Linux I used to resize MBR partitions using fdisk, even on live filesystems, and then issue a resize2fs/pvresize/... (depending on fs type) to get the new space allocated. Lately I've been using Xen and GPT partitions, and I've noticed that…
cyberz
  • 333
22
votes
7 answers

Clone a Windows Installation to a 3TB Hard Drive; MBR to GPT

I have Windows 7 Professional 64-bit installed on my desktop. Unfortunately for me and my wallet my hard drive is failing. I have purchased a 3TB hard drive as a replacement for my current 2TB drive. I would like to avoid as much hassle as…
DanBlakemore
  • 363
22
votes
2 answers

Make UEFI, GPT, Bootloader, SSD, USB, Linux and Windows work together

I like to use the latest hardware and the latest software; thus I have a Laptop (Lenovo X220) with UEFI instead of BIOS an SSD instead of an HDD GPT partitioning scheme instead of MBR USB to boot from instead of optical disks. I need to use both…
gbag
  • 610
  • 1
  • 4
  • 12
21
votes
4 answers

Using GParted to convert GPT to MBR without access to an OS

I wiped my Windows 8 thinking I could install Windows 7 x86 but I can't because the disk is GPT. I need to convert to MBR. I'm trying to use GParted to convert to MBR but it seems GParted can only do the opposite. Can GParted be made to convert to…
CppLearner
  • 661
21
votes
7 answers

Is there any way to boot Windows 7/8 using BIOS on GPT?

I'd like to know if there's a method to get Windows 7 or Windows 8 Developer Preview to install to a GPT disk on my traditional IBM PC BIOS setup. Windows 7, of course, rejects my GPT partition, because I don't have UEFI. Well, Debian and Grub 2…
John Chadwick
  • 602
19
votes
5 answers

Clean install of Windows 7 Pro 64-bit on a UEFI laptop with GPT partition?

I’m currently pulling out hairs about a problem with my wife’s new Samsung Book 9 laptop. it comes preinstalled with Windows 8. She wants Windows 7 Pro. I’ve board a Windows 7 Pro 64-bit for her and thought that this would be just like a regular…
Mestika
  • 991
  • 3
  • 11
  • 16
16
votes
1 answer

What are all those partition table type in gparted?

I was just curious about what are those available partition table types in gparted useful for. Is there any reason to use them instead of MBR or GPT ? atari aix amiga bsd dvh mac pc98 sun
Nicryc
  • 765
16
votes
4 answers

Is it possible to boot Linux from a GPT disk on a BIOS system?

I have an AMI BIOS computer [Asus EB1501P] with a Seagate ST9250315AS 250GB HDD. Is it possible to boot Linux from a GPT disk on such a BIOS system?
SebMa
  • 2,035
16
votes
3 answers

If my motherboard does not support UEFI BIOS, can I still use GPT for non boot drives?

I have a server whose motherboard does not have UEFI, so that means the OS must be installed on an MBR table. MBR has a limit of 2 TB, so I'm wondering if I can install Windows Server on a boot drive that's less than 2TB and have multiple other…
user4757174
  • 345
  • 2
  • 3
  • 8
15
votes
4 answers

GParted leaves 1MB unallocated space at end of external HDD, override/alternative?

I only say external HD, I don’t have this issue with internal HDs. I created a GPT table, then made one NTFS volume. It shows 1MB unallocated at end of disk. I know it is a backup of the GPT table, but I don't want it there. I back up my data…
Enigma83
  • 383
14
votes
1 answer

What is the GPT header signature for?

According to this Wikipedia article, the second Logical Block Address of a GUID Partition Table (LBA 1) is the primary GPT header. It then states in the section about the header that the first 8 bytes of the header is for a 'Signature'. What is this…
Time4Tea
  • 389
1
2 3
…
46 47