While investigating the digital evidence we need to protect targeted drive to write. Here you will find a simple to write disk protection.

Step 01: Open run box by pressing 
window key + R

Step 02: Type “
regedit” in run box to open windows registry editor menu

Step 03: Now go to “
HKEY_LOCAL_MACHINE”

Step 04: Now go to “SYSTEM”

Step 05: Now go to “
CurrentControlSet”

Step 06: Now go to “
Control”

Step 07: Now right click on “
Control” and select “
New
àKey”

Step 08: Store this key with the name “
StorageDevicePolicies”

Step 09: Now right click on this key and select “
New
àDWORD (32-bit) value”

Step 10: Now save this value with name “
WriteProtect”

Step 11: Now double click on the “
New created key value”

Step 12: Enter value data as “1” and save it

Step 13: Now you have successfully protected your device to write.

                Value Data concept

                0 = Write protection is disabled

                1 = Write protection is enabled