USB to Serial adapter is listed under the ports in device manager, but with yellow error triangle.

Potential Symptoms

  • Unable to communicate with message center.
  • Venus 1500 will not connect to the display.
  • USB to Serial adapter, can't communicate with display, device status says "This device cannot start. (code 10)".
  • Drivers are installed, but device is not working and has yellow alert triangle showing.
    • serial com port.png

Environment

  • Galaxy
  • Windows 7 or 8
  • USB to Serial Adapter (Prolific, Radio Shack, etc.)
  • Venus 1500 V4

Cause

  • USB to serial adapter is locked up.

Resolution

  • Reinstall driver.
    • If reinstalling the drivers does not resolve, recommend MOXA USB cable. P# A-2221    Desc: USB TO SERIAL ADAPTER MOXA (NPORT U1110)

KB ID: DD2875644


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