For 3.5” IDE HDD
(1) Have the 3.5” IDE HDD connect with USB 2.0 TO IDE/SATA ADAPTER
(2) Have the external Power Adapter connect with USB 2.0 TO IDE/SATA ADAPTER.
(3) Have USB 2.0 TO IDE/SATA ADAPTER connect with your computer, then power on,
your computer system will detect the IDE HDD.