Have you ever been at an event and received this message – Session Failed: unable to take photo. While it might seem like the blue screen of death to you, usually the culprit is something quite simple. In this post and video, Eugene illustrates the most common issues Darkroom users run into when connecting their camera to a computer for events and photo booths. He will show you troubleshooting techniques and tips on how to be prepared for your events.

1. EOS Utility Conflict
If you are using a Canon camera, be sure that the Canon EOS utility is not running. Simply turn off the autolaunch for this utility on your computer.
2. Focusing Issues
The most common way to alleviate focusing issues is to switch to manual focus. Check out the video or refer to this support article. https://support.darkroomsoftware.com/portal/en/kb/articles/why-do-i-keep-getting-a-retaking-message
3. Connectivity Issues
Connection issues are most commonly the result of a faulty USB cable or using a USB cable that is too long. Try switching out with another USB cable or try a shorter USB cable.
4. USB Hub Issues
USB hubs can also create connectivity issues. As a test try plugging your camera directly into the computer. If it works then you know something is awry with the USB hub. We recommend always using a powered USB hub to avoid this issue.

Finally, it is always good practice to have a back up plan that includes back up equipment.

  • Always carry back up cables. Try to keep the cables to 6 feet or less.
  • Always carry a back up USB hub if you use one.
  • Restart the computer when you run these connectivity steps.