21.2 Troubleshooting
Problem
Possible Reason
Solution
Weak battery
Recharge the battery for 4 hours
Unit will not turn on
Invalid operation
Switch player off and then on again
Unit spontaneously
turns off
Weak battery
Recharge the battery for 4 hours
USB cable damaged
Replace with a new cable
USB in disabled in the BIOS
Enable USB functionality in the BIOS
OS does not support USB
Install or update the OS driver
Wire wrongly connected
Make sure the cable is firmly connected
Player connected by
USB, but computer
does not recognize the
device
Any issues of the PC
Reboot PC
Volume is too low
Turn up the volume
Wrong audio out device
Set right parameter
Unsupported file format
Re-encode media in a supported format
The file is corrupted
Re-copy the file to the player. You may
have to re-encode the file
Damaged earphones
Use different earphones
No sound when
playing media
Format failure
Format with a FAT32 file system
Videos won’t display
on the screen
Improper TV-OUT configuration Turn OFF the TVOUT Setting in order to
watch videos on the device
Storage full
Delete some files from the player
Doesn’t save: “Save
Failure”
Wrong save path
Double-check the destination folder
Wrong language
Wrong language is configured
Change the language in Settings
Songs on player are
not in playable list
Songs in the wrong folder
Move all song files to the player's MUSIC
folder, or one of its subfolders
E4 Series User Manual Page 30 of 32
