Although it may sound obvious, it still has to be asked: is your user an administrator account?
If yes, the next place to check is in Computer Management > Services and Applications > Services. Check both the Logical Disk Manager and the Logical Disk Manager Administrative Service are at least set to Manual under Startup Type.
If yes, the next place to check is in Computer Management > Services and Applications > Services. Check both the Logical Disk Manager and the Logical Disk Manager Administrative Service are at least set to Manual under Startup Type.