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How to hide windows drives?

Sometimes you want to hide drives with sensitive material on them from prying eyes. You can prevent any or all disk drives from being displayed in My Computer and Explorer. The following are the steps:

1. Backup your registry.

2. Click Start.

3. Click Run.

4. Type regedit and click Ok.

5. navigate to

6. Right-click on Explorer and choose New and DWORD value.

7. In the pane on the right, rename the new value NoDrives and double-click on it to open the Edit DWORD Value box.

8. Click the Decimal option to select it, instead of the Hexidecimal option.

9. To hide a drive or drives, a number that corresponds to the drive(s) must be entered. Enter the value in the following table for the drive. If multiple drives are to be hidden, add the numbers for those drives together. For example, hiding drives D and E requires a value of 24, because you are adding the value for D (8) to the value for E (16), which equals 24.

Drive letter            Value
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: 		67108863


1. The boot disk, usually the C drive, tends to show up in Explorer even if you hide it in My Computer.

2. To bring back hidden disks, just change the value of NoDrives to 0 or delete the value altogether.

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