The most FREQUENT causes are:
Did not power the Priva III - Priva III does NOT have built-in battery, it requires constant USB power, please plug it into your TV’s USB port or a compatible USB charger (5V/0.5-2A) with the included Micro USB power cable, then slide ON/OFF switch to "ON" position.
Faulty power cable: Try a different USB power cable, does it work now?
If all above fails, contact firstname.lastname@example.org for FREE replacement pls, Avantree guarantees a 2-year warranty.
If any more help needed, you may contact email@example.com for help. Also, to make sure all our users can use Avantree products properly, we offer Avantree Online Clinic to help you with your set up / installation FREE of Charge, click below link for details: