Solution: You can use the built-in format mp3 format. Can also be used to format the computer! 

 

2 boot display "no font (no font)" Problem 

Solution: You can copy the CD in the font file to mp3 in dvr directory, you can reboot after shutdown mp3! 

 

3 If the boot prompt "no card (flash Weld)" Problem 

Solution: In general this problem will have to be flash welding on ok