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#HOW TO FORMAT MY HARD DRIVE TO GPT INSTALL#
#HOW TO FORMAT MY HARD DRIVE TO GPT FREE#
#HOW TO FORMAT MY HARD DRIVE TO GPT WINDOWS#

#HOW TO FORMAT MY HARD DRIVE TO GPT FREE#

All major disk partition software, including Easus Partion Master, AOMEI Partition Assistant, MiniTool Partition Wizard and others, offer you the ability to convert MBR to GPT without losing data, but not with the free version. If the above processes seem too cumbersome, you can use other, more user-friendly ways to convert your disks from MBR to GPT. You might get a warning saying that there’s no guarantee of successful conversion, but select the option to proceed anyways. Once the command is executed, you will successfully convert MBR to GPT without data loss.To convert the partition table of your target disk from MBR into GPT, type-in the command: ‘ gptgen.exe -w \\.\\physicaldriveX‘ (without quotes) and press Enter (Note that ‘X’ denotes the disk you want to convert). Run the ‘list disk’ command as described earlier.Do note that the drive letter will depend on your installation directory. In my case, it is “C:\Users\\Desktop\Stuff\File\gptgen-1.1”, so I’ll type in “cd c:\Users\\Desktop\Stuff\File\gptgen-1.1” (without quotes). Now open Command Prompt in Admin mode and type in the path for your Gptgn installation using the syntax seen below.

#HOW TO FORMAT MY HARD DRIVE TO GPT INSTALL#

First off, download and install an utility called ‘gptgn’ ( Free).

Method 3: Convert MBR to GPT Using Gptgen Without Data Loss Note: Running the clean command will delete all partitions or volumes on the disk. You’ll have successfully converted the disk from MBR to GPT. Wait a few seconds for the command to be executed.

Finally, type in ‘convert GPT’ and press Enter.

You’ll get a message saying “DiskPart succeeded in cleaning the disk”. Now delete all data from your chosen disk by running the ‘clean’ command. One thing to note, however, is that GPT disks do not support legacy BIOS firmware, so you will have to convert the partition style from GPT to MBR before you can use it as system disk in older PCs.įrom the disks listed by the utility, select the disk you want to convert using the ‘select disk X’ command, where ‘X’ is the number assigned to the disk you want to convert. In comparison, MBR disks store the partitioning and boot data in one place, making it more vulnerable to being overwritten or corrupted. What’s more, on MBR disks, you are allowed to create only up to 4 primary partitions, while on a GPT disk, you can create up to 128 primary partitions.Īnother thing that goes in the favor of GPT is that it stores multiple copies of data across the disk, making it a more robust solution in terms of data backup. It is also a prerequisite for large disks because while MBR supports disks of only up to two terabytes (2TB) in capacity, GPT can handle a theoretical maximum of up to 18EB (Exabyte). One major advantage of GPT disks is that you can have more than four partitions on each disk. While MBR disks use the standard BIOS partition table, GPT disks use UEFI.

The latter is the relatively new technology and is slowly replacing the legacy one because it’s faster, more secured and can natively address larger storage disks.

#HOW TO FORMAT MY HARD DRIVE TO GPT WINDOWS#

MBR (Master Boot Record) and GPT (GUID Partition Table) are two different partition styles for hard disks, and both are widely used for disk partition management in Windows computers. Other Methods to Convert MBR to GPT Without Data Loss What to Remember While Converting From MBR to GPT or Vice Versa If you need to switch from MBR to GPT, or GPT to MBR, you need to back up your data ahead of time to avoid losing all of the data on the hard drive when you format it.įor more information on this subject and Windows, refer to the following Microsoft knowledge base article. If you have a hard drive that you would like to boot from and it is larger than 2 TB, you can select GPT (GUID), but you will also need to be running a supported operating system and the system's firmware must be UEFI, not BIOS. If you have a hard drive that you would like to use but not boot from and it is larger than 2 TB, select GPT (GUID). If you have a hard drive that you would like to use and it is 2 TB or smaller, select MBR when you initialize the hard drive for the first time. The maximum hard drive size of GPT is 9400000000 TB, with sector sizes of 512 (the standard size for most hard drives at this time). The G stands for GUID (Globally Unique Identifier), and the P and T stand for Partition Table. To remedy this, the GPT format was introduced. As such, if you have a 3 TB hard drive and you use MBR, only 2 TB of your 3 TB hard drive will be accessible. The maximum hard drive size of MBR is 2 TB. MBR stands for Master Boot Record and was the default partition table format before hard drives were larger than 2 TB.