edit registry on external hard drive
Instructions. Click the Start button and type regedit into the Search field, then click the Registry Editor program. Click HKEY_LOCAL_MACHINE in the left pane of the Registry Editor window.Click the File menu and choose Load Hive..Browse to the secondary hard drive's windows\system32\config directory from the Load Hive dialog box. Click to select the System or Software file (no file suffixes) to open the respective registry hives.Type a temporary name and click Open to open the hive. Click the File menu and choose Unload Hive when you have finished editing the registry hive on the secondary drive.nstructions. Click the Start button and type regedit into the Search field, then click the Registry Editor program. Click HKEY_LOCAL_MACHINE in the left pane of the Registry Editor window.