Tammi,
There is a knowledge base article that will guide you on how to upgrade the firmware. Please visit the knowledge base at www.prometheankb.com, select your region/language, in the search box type in 10360, the title of the article is ActivBoard- 2nd Generation ActivBoard Firmware Update instructions. The file you need to update the firmware is at the bottom of the article and begins with the letters US.
You want to ensure that you are connected directly to the electronics on the board via USB. The firmware may not update if you are connected via a wall box or USB extensions.
If you are connected to the board via a serial connection, let us know, there is a separate update process for that type of connection.
Thanks!