Solution:
There may be the following reasons:
1.The connection line cannot be identified due to poor contact. Please reconnect the data cable and the hard disk to solve the problem;
2.It may also be that the USB power supply of the TV is insufficient and the hard disk cannot be identified. If the hard disk needs independent power supply, please connect the hard disk with power and try again, or try another USB interface;
3.It may be that the file system format of the mobile hard disk is not compatible with the TV, resulting in unrecognizability. Please modify the format of the hard disk to a common format, which is FAT32;
4.Or the removable hard disk has been damaged and cannot be connected, please try another removable hard disk and reconnect;
5.The system problem of the TV prevents the hard disk from being recognized, please restart the TV to try, if necessary, please restore the TV system to the factory settings;
6.In addition, it may also be caused by the failure of the TV hardware that cannot identify the hard disk, such as interface failures, internal circuit failures, motherboard chip and other component failures, etc.
Does it help?