When you try to extend a volume in Disk Management, the Extend Volume option may be grayed out even though there is unallocated space on the disk.Read more
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[Fix] EFI System Partition Appears in Explorer
The EFI system partition, which contains your boot files and boot configuration database, is hidden by default. However, on some systems, the EFI partition may show up with a drive letter in File Explorer.
How to Find if a Disk Uses MBR or GPT
Knowing how your disks were set up (MBR vs. GPT) is essential for troubleshooting boot issues and Windows Update errors. Master Boot Record (MBR) disks use the standard BIOS partition table. GUID partition table (GPT) disks use the Unified Extensible Firmware Interface (UEFI).Read more