So Follow below step carefully....
1st: Open ->start menu->run
>Type "regedit.exe"
>Navigate to registry entry HKEY_CURRENT_USER\Software\Microsoft\Windows\ CurrentVersion\Policies\Explorer
2nd: Now in the right pane create a new DWORD item (by rightclicking and new->dword) and name it NoDrives ( case sensitive).
3rd: Now modify it's value by double clicking it and set it to 3FFFFFF (Hexadecimal) .
Restart your computer. Now when you click on My Computer, No drives will be seen.
Reminder:To enable display of your drives in My Computer,
simply delete that DWORD item NoDrives that you created (it can be deleted by navigating to HKEY_CURRENT_USER\Software\ Microsoft\Windows\CurrentVersion\Policies\Explorer and selecting the NoDrives and deleting it..del key...).
Restart your computer and now you can see your drive again..
