Just use a disk converter named an AOMEI Partition Assistant Professional Edition.ĪOMEI Partition Assistant Pro is designed for Windows home users. Without deleting all partitions you can achieve this. Yes! I found a workaround to this problem. Is there any simpler way to fix this problem? So, if you don't want to delete all partitions and create partitions from the scratch and install the OS or using the complicated methods. However, it is not data protective either and not every user is familiar with Command Line. īesides, you can use Command Line to convert MBR to GPT. Following is Microsoft suggested solution. And you need little technical stuff to be manipulated yourself. But the disadvantage is that you may have to delete all partitions if there are partitions on your disk. Of course, you can use Disk Management a built-in tool. So the solution is to convert MBR to GPT? Yes, it is.
It is necessary to convert MBR disk to GPT.īest Way to Convert MBR Partition Table to GPT without Data LossĪccording to what you see at the beginning of the post, Windows can only be installed to GPT disks because of your EFI system. Sometimes, in order to satisfy the various demands of the users. There are differences between MBR and GPT. As for GPT disks, you are able to build unlimited partitions on the hard disk. It makes full use of globally unique identifiers to define the partition and it is a part of the UEFI standard. GPT (GUID Partition Table) is the latest disk style. Extended partitions are logical parts of hard disks, it can be used to create more logical partitions. In order to create more partitions, you have to build a structure with less than 3 primary partitions + one extended partition. For MBR disks, you can create 4 primary partitions at most and the maximum size of each disk is 2 TB. MBR (Master Boot Record) is the old style of disks and is widely used by users. There're 2 kinds of partition tables, namely MBR and GPT.
Meanwhile, you'll also need to make the conversion when you initialize a hard drive bigger than 2TB as MBR, or sometimes, you need more than 4 primary partitions on your hard drive in MBR. On EFI system, Windows can only be installed to GPT disks." This could happen not only in Windows 8, but also in Windows 7, Windows 10, Windows 11, and Windows Server 2008, 2008 R2.
The selected disk has an MBR partition table. For example, when you install Windows 8, you may encounter an error that stated: "Windows cannot be installed to this disk. Sometimes, users would like to convert MBR disk to GPT for different purposes. The selected disk has an MBR partition table.
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