Softawre can’t detect device

31天前更新

218311

Hi everyone,

I recently bought a 3.5″ Turmo/Turing smart screen .
The display powers on, and Windows detects it with the USB connection sound.

In Device Manager it shows up as:
USB\***** and it creates a COM port (COM4).

However, the Turmo software always says “device disconnected” and there is no option to select the COM port manually.

Has anyone experienced this before?
Is this a driver/protocol issue or is this screen incompatible with the official software?

Any help would be appreciated. Thanks!

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- joparica83作者1
  Hello! Thank you very much for your reply. I actually managed to find the solution just before I received your message, and it turned out to be exactly what you described — the COM port was being used by another device/software. Even so, I really appreciate your support, because your answer would have helped me the same way. Thanks again!
  30天前回复
- turmo2
  Hello! This issue is likely due to COM4 being occupied by another application. Please close any software that detects this type of USB device, then unplug and re-plug the USB screen—this should resolve the problem.
  31天前江西省赣州市回复