In windows operating system, hiding a disk drive is possible, this can be achieve by adding or editing the value into the registry. Below are the steps,

1. Open registry, window+R or goto start->run
2. Type regedit
3. Drill down the registry tree up to HKEY_CURRENT_USER\Software\Microsoft\Windows\Curre ntVersion\Policies\Explorer
4. Right click on the right pane, new->DWORD(32-BIT) value and type the NoDrives, then click ok
5. Double click the NoDrives to enter its value,  enter 8 if you want to hide the Drive D, and if you have multiple drives and want to hide them, lets say Drive D and E you just need to add the corresponding number and you will get the result of 24 ( 8 + 16).

Below are the expected values you can use;

Values:

A = 1
B = 2
C = 4
D = 8
E = 16
F = 32
G = 64
H = 128
I = 256
J = 512
K = 1024
L = 2048
M = 4096
N = 8192
O = 16384
P = 32768
Q = 65536
R = 131072
S = 262144
T = 524288
U = 1048576
V = 2097152
W = 4194304
X = 8388608
Y =16777216
Z = 33554432
All drives = 67108863