StorTecc PM-350E2-EES Portable Media Device (Video / Audio / MP3 / OTG / Karaoke) Drive Case Enclosu... (DSPM350E2EES) Drive Case "seagate external hard disk blinking" Questions

...external hard drive. The hard disk light just blinks and windows does not see the hard drive at all under the disk management section. I hear no hard drive activity when plugged in. All cables and ...