FactoryTalk Linx : USB driver found PLC but not show up

0:00 USB driver found PLC but not show up
0:14 PLC appear in 1789-A17, Backplane instead
0:23 Open ControlFLASH Plus to Flash firmware
0:40 selecting USB driver to flash firmware
0:57 Flashing Firmware
1:10 Flashed Completed
1:15 PLC still not show up in USB driver
1:30 Delete PLC in backplane, Finally PLC shown up in USB driver
1:40 End Credit

Видео FactoryTalk Linx : USB driver found PLC but not show up канала Sonic Automation