Disable HDMI CEC in the Home screen settings ( System Setup > Hardware > HDMI ) before attempting the network update.
Always use the with a properly formatted drive and the correct PIO folder structure. If you have avoided updating for five years, today is the day to breathe new life into your SC-85. pioneer sc-85 firmware update
You will need a small (8GB or less) USB 2.0 drive formatted to . Disable HDMI CEC in the Home screen settings