Here is an easy manual/tutorial on how to lock and hide your hard-drives for whatever reason u may have.
Follow these steps below:
1.open Registry (go to run command, type "regedit" and press enter)
2.then go to this key:
3.now click the right click button and create DWORD Value (blue color)
4.Rename it as "NoViewOnDrive" (for locking drive)or
Rename it as "NoDrives" (for Hiding drive)
5.double click it and put some numbers to lock ur desired Drive and click ok
6.Here are the Drive No's. matched with drive letters
7.finally restart or log-off the computer for this to take effect.
Keep in mind that "0" is the Default Value to Disable or remove this setting.
thats it,your farm pr0n is now safe from those nosy visiting nephews