This tutorial will show you how to update the flash memory for your POD HD device using the Line 6 Monkey software. This is the only way to reset the POD HD back to its factory settings.  ***NOTE:  If a Variax guitar is connected to the POD HD500 via VDI connection during the flash memory update for the POD, DO NOT DISCONNECT the Variax guitar from the POD until the update process is completed: