First, turn the system on by pressing Display On on the control panel or Start with Audio and Video on a pullout touchscreen. Wait 30-90 seconds for the Display On button to stop blinking, or the touch panel to stop counting down. If the system was already on, restart it.

Troubleshooting steps to try:

• If the room is equipped, use the Kramer Via or Mersive wireless presentation via Airplay or the application: ClassTech, Kramer Via Wireless Presentation or  ClassTech, Mersive Solstice, How to Use
• If the tablet is awake, turn it off. Unplug the adapter and plug it in again. Turn the tablet on. 
• On the control panel, try switching to a different input and then back to the desired input (HDMI or VGA depending on your adapter)

Please note: Netflix and other streaming sites may not work due to copyright issues! You will have to get a DVD/BluRay copy of the video and use the DVD/BluRay player in the classroom or use YouTube to play the video.