It seems you have not reconfigured the config.txt. Do like these following:
- Turn your Pi off
- Take out the microSD card
- Put in the card reader plugging in the pc / laptop
- Use Notepad++ to open the file config.txt from the root directory of the card. You need to find the line having similar to "hifidigiplus" to remove the # in front of that line then save.
- Insert the card into Pi to boot again.
Hope this helps.
http://www.runeaudio.com/documentation/troubleshooting/rpi-troubleshooting/#configtxt-settings