Daktronics

Prolific USB to serial adapter driver not installing correctly, yellow ! in device manager; Driver/Chipset issue

Potential Symptoms

  • USB to Serial driver does not install correctly.
  • Error log in Venus 1500 Device Manager shows error -10 and -12.
  • USB to serial driver shows up with an issue (yellow exclamation) in device manager.
  • Sign running, but no communication.
  • Installing prolific adapter on another computer results with the same errors.
  • Error in device manager indicates "a device which does not exist was specified".
  • "Connect Failed" alert in Venus 1500 V4.
  • Device Manager shows error code 28 next to unidentified device.

Environment

  • Product:
  • Component: Prolific USB to Serial Adapter, Serial Communications
  • Control System: 

Cause

  • Driver/chipset issue.
    • If you are getting an Error Code 10 with a yellow exclamation mark in Device Manager after installing the latest Prolific PL-2303 driver, please contact the cable maker of your product for Prolific chip validity and support

Resolution

  1. Download driver and install.
    • For 32 -bit and 64-bit Computer:  Install Prolific driver, this driver should work with all Prolific adapters.
      • Download and Save the "PL2303_Prolific_DriverInstaller_v1.12.0.zip" by clicking here .
  2. Unplug all USB-To-Serial adapters from your computer 
  3. Open the zipped driver file
  4. Run the application file - PL203_Prolific_DriverInstaller_v1.12.0
  5. When it prompts you, plug in one (1) of your USB-To-Serial adapters and click "Continue".
  6. Run the installer program. If it offers a choice to remove the driver, then select to remove the current "bad" driver. Then run the installer again to install the correct driver.
  7. Reboot your computer.

For Temporary Operation

Order a Moxa USB to Serial cable for replacement.

  • Contact Daktronics technical Support, 1-888-325-7446.

KB ID: DD2090456

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