HIDE A HARD DISK PARTITION FOR WINDOWS XP PROFESSIONAL & HOME USERS BOTH

Finally The same trick for Windows XP home users & even professional users can also use this trick.

Open Registry Editor by typing "regedit" in Start > Run.
Goto HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion=\Policies\Explorer\
Create a new DWORD value & name it "NoDrives".
All drives will bevisible as long as this value's data is set to 0. Set value NoDrive according to following list:
Drive Value
A: 1
B: 2
C: 4
D: 8
E: 16
so..on
Z: 33554432

All drives 67108863

From the above list choose the drive value you want & write the Value in the DWORD we created above in following format.

For example to hide A: & D:, NoDrives value should be 1 + 8 = 9.