How to hide Drives in My Computer?

Create registry as described below:


HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer
Name: NoDrives
Data Type: REG_DWORD
Value: varies - see below
  
To calculate the value to use, add up the following codes for the drives that you want to hide:
A=1
B=2
C=4
D=8
E=16
F=32   
For instance to hide the E and F drives, the value would be 48