If Disk Management fails or, in this case all options are greyed out in the tool, you can use the DISKPART and FSUTIL command-line tools for your disk management tasks – for example, you can ...

Learn how to remove or delete Volume or Drive Partition, on HDD or SSD using Disk Management, Command Prompt or PowerShell.

Microsoft is working on a new built-in command-line 'Disk Usage' utility that reports how much disk space a folder uses.

If the hard drive is missing in File Explorer, you can quickly troubleshoot and fix this problem with Disk Management, Device Manager, DiskPart, and other tools, and here’s how on Windows 10.