What is a GPT Disk and how to convert it?
GPT drives make use of the GUID partition table (GPT) disk partitioning system. Main advantage of this partitioning system is, it supports up to 128 primary partitions and will allow you to create more than 2TB sized disk volumes. Were in the MBR system supports only up to 4 primary partitions and has a volume limit of 2TB. GPT is extremely suitable for a 64 bit operating system.
In a 32 bit windows operating system the GPT disk will not display in my computer but if you go to the disk management it will display the partition there but you will not be to format or delete. Now lets see how to covert MBR to GPT or vice versa.
* Before you follow this procedure make sure you backup the data from the hard drive in order to avoid the data loss.
- Type in “DiskPart” in command line.
- Type in “list disk” in command line to show all disks in this machine.
- Use “select” to set the focus to the specified partition, for example “select disk 1″.
- Use “clean” command to remove GPT disk from the current in-focus disk by zeroing sectors.
- Go back to Disk Management and Select the “Unallocated” disk and make as Logical Drive ( Which will make the drive in MBR)
When you need to convert a MBR drive to GPT partition you will require to format the drive and delete it to make it as an un partitioned space. Then right click on the un partitioned drive from Disk management window will give you option to “Convert to GPT Disk”.
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