


Step 1: Run this free partition manager to its main interface, choose the system disk and click Convert MBR Disk to GPT Disk. Besides, an error may happen after the conversion, thus, it is recommended to create a bootable disc in advance so that you can convert the disk back to MBR. But note that if you want to boot your computer from the GPT disk successfully, UEFI mode should be supported and enabled. Note: MiniTool Partition Wizard can convert system disk from MBR to GPT. Additionally, if you need to convert system disk to GPT, what should you do? Here, using the professional partition manager – MiniTool Partition Wizard is a good choice. To avoid data loss, we suggest backing up important files with MiniTool ShadowMaker firstly and then use Convert to GPT Disk feature to fix the issue.

Besides, it only works for the non-system disk. To solve this issue, the best way is to convert MBR disk to GPT disk.ĭisk Management can help you to do this work but it requires you to delete all volumes. If you have a 3TB disk with MBR partition style, the part beyond 2 TB can be unavailable and you are unable to create a partition on unallocated space. New Simple Volume Missing on Larger than 2TB MBR DiskĪs is well known, MBR only supports up to 2TB disk.Here in this post, we will provide you with effective methods in two cases to fix this issue and create a new partition in Windows 10/8/7. What causes New Simple Volume greyed out? To put it simply, it is due to the limit of MBR disk and removable disk. For example, there may be no option to create a new partition in Disk Management. However, this tool doesn’t work well sometimes. Disk Management is a Windows built-in partition tool, enabling you to create/delete/format partition, convert basic disk to dynamic disk, etc.
