Sometimes, Disk Management does not work. You can turn to its alternative tool:AOMEI Partition Assistant Professional, which can effectively initialize a disk, SD card, SSD as MBR or GPT drive in Windows 11, 10, 8, and 7. Besides, it is also able to convert disk from MBR to GPT or G...
MBR stands for Master Boot Record while GPT represents GUID Partition Table, and they are 2 partitioning schemes for HDD, SSD and removable devices. To know what partitioning scheme your hard disk is employing, just download and install MiniTool Partition Wizard, which is a free partitioning softw...
The reason for “convert to MBR disk greyed out” is that the selected GPT disk contains partitions. If the selected disk has partitions, the “Convert to MBR greyed out” error will appear. So, you cannot convert the GPT disk to MBR if the disk is not empty. Now, you have known the...