Nextar MA715 - Manual (Page 44)

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11. TROUBLESHOOTING
If there is no picture displayed after the player is connected to PC and the unit does not work
as storage disc or cannot be powered on after the battery is fully charged, please refer to the
following steps to update the software in the player.
(1) Download the most updated software from the included CD (if any) or from the website
and run the setup.exe files in the folder to complete the installation.
(2) Long press power button of the player and plug in the USB cable, wiat for five
seconds and release the power button of the player.
(3) Implement the updated software installed by step (1) to start software upgrade.
(4) The upgrade of software may format the player, so please copy the music or files in the
player as they will be erased during the formatting process.
(5) If the software upgrade program cannot detect the player, please unplug the USB cable
and repeat step (2) and (3) until the player is detected and the software upgrade is
completed.