| Files that I have stored do not appear in the list. | PLENUE D | 2017/03/21 |
| I cant hear any sound. | PLENUE D | 2017/03/21 |
| Computer cannot recognize the player when connected. | PLENUE D | 2017/03/21 |
| The player does not turn on. | PLENUE D | 2017/03/21 |
| How many files and folders are recognized by PLENUE D? | PLENUE D | 2017/03/21 |
| How many files and folders are recognized by COWON X9? | COWON X9 | 2012/09/20 |
| Do I have to back up my data before I send my device to repair shop? | COWON X9 | 2012/09/20 |
| Files that I have stored do not appear in the list. | COWON X9 | 2012/09/20 |