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Learn how to fix - The selected GPT formatted disk contains a partition which is not of type 'PARTITION_BASIC_DATA_GUID' error for disks in Windows 10.

Consider a scenario that you want to extend the disk partition on your Windows 10 system. For this, you extend the existing volume and shrink the original volume using steps mentioned here. However, while performing these things, you suddenly came across an error message from Virtual Disk Manager.

Here is the complete error message:

The selected GPT formatted disk contains a partition which is not of type ‘PARTITION_BASIC_DATA_GUID’, and is both preceeded and followed by a partition of type ‘PARTITION_BASIC_DATA_GUID’.

[FIX] The Selected GPT Formatted Disk Contains A Partition Which Is Not Of Type 'PARTITION_BASIC_DATA_GUID'

The main reason behind this error message is the difference in partition schemes. So if two partitions, say A and B are respectively GUID Partition Table (GPT) type and Master Boot Record (MBR) type partition. If on A partition, some space is marked using B type partition scheme, this error message appears immediately. Hence the resolution to overcome this problem is to convert the both type of volumes in single type partition scheme. In other words, you have to create such an environment that your machine see and have only one type of partition scheme which could be either GPT or MBR only.

Here is how to deal with this error:

FIX : The Selected GPT Formatted Disk Contains A Partition Which Is Not Of Type ‘PARTITION_BASIC_DATA_GUID’ Error In Windows 10/8.1/8/7

SOLUTION : Convert The GPT Disk/Volume Into MBR Disk/Volume Using DISKPART

1. In Windows 10, right click on Start Button and select Command Prompt (Admin). On older Windows editions such as Windows 8/7, you can open administrative Command Prompt using search.

[FIX] The Selected GPT Formatted Disk Contains A Partition Which Is Not Of Type 'PARTITION_BASIC_DATA_GUID'

2. In Command Prompt window, type these commands and press Enter key to execute:

2.1 To convert a disk volume: Go ahead with these commands (mentioned in bold) to convert GPT disk volume into MBR.

diskpart  enter Disk Management utility
list disk    lists available disks
select disk #   select the GPT disk, replace # with actual disk number
clean               format the disk
convert mbr        convert GPT disk into MBR
exit             exit from diskpart tool

2.2 To convert a disk partition on a volume: Try these commands (mentioned in bold) to convert GPT disk partition on GPT disk volume into MBR.

diskpart  enter Disk Management utility
list disk    lists available disks
select disk #       select the GPT disk, replace # with actual disk number
list partition         lists all partitions on selected disk
select partition #  select GPT partition, replace # with actual partition number
clean              formats the partition
convert mbr        convert the GPT partition into MBR
exit             exits diskpart utility

[FIX] The Selected GPT Formatted Disk Contains A Partition Which Is Not Of Type 'PARTITION_BASIC_DATA_GUID'

3. Close Command Prompt window and reboot the machine. After restart, error should be gone.

That’s it!


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