DOS ERROR intent for a disk error. Literacy in the U-operation at the wrong time or low-voltage operation carried out this operation easily lead to failure.
Failure to resolve this way for the replacement of the new battery after a reboot, and then under the MODE button to enter the menu, select format (FORMAT) operation, the machine automatically on the disk format, in general can be repaired.
If the above means not put machines into the computer, the computer disk formatted for mobile operators, and then Bodiao USB cable, the implementation of the action on the single format.
Players show that DOS ERROR
A. Please check the PC format is useless when the FAT system files.
B. recording a state of sudden power transmission or computer file illegal disconnect. To which the phenomenon can be formatted menu players can work properly.