Generic device Troubleshooting Guide & F.A.Q.

This guide covers issues about generic USB device connectivity

Please follow the troubleshooting steps below and provide the corresponding answer where required:

  1. Make sure that you have installed the latest software.
    Download and install latest ASCOM platform and then our Unity Platform from:
  2. Does the device show up in Unity platform with some error? Please provide a screenshot.
  3. Does the device show up as a COM port in Windows device manager or under a USB device listing utility such as USB treeview?
    Please plug in the device and send us a screenshot of the USB device tree’s section that shows or should show the device.
  4. Please connect ONLY the PegasusAstro device to your computer and observe the COM port assigned. Connect the rest of your devices and look out for any COM port conflicts.
  5. Was there a firmware update in progress that was interrupted or failed to complete?
  6. If the device has a power LED indicator, please describe its behavior, i.e. lit or dead, blinking 4 times every 4 secs etc
  7. How do you power the device? Are you using our PSU? If not, describe in detail and send us a screenshot of your PSU and its plug
  8. Please verify that you are powering the device with the proper plug type, i.e. 2.1mm/5.5mm or 2.5mm/5.5mm center positive [photos]. Provide a photo if unsure
  9. Before making the assumption that the device is not working, please be sure to try it also on a SECOND computer with a different USB cable and, if possible, with another PSU
  10. If the device failure follows some incident, please describe. It will save both us and YOU considerable time and effort!