If your purple dongle light goes out...
- Attach the dongle to an available USB port on you computer or keyboard.
- Download the proper driver installer. Choose from the following:
- Double-click on the compressed installer file to un-stuff it.
- Double click the extracted installer and follow the installation instructions.
- Restart the computer.
- Your dongle light should come back on. Run FlowJo.
- If you continue to experience issues, please click here.


