This Changhong LCD TV has a menu when it is plugged into a USB flash drive, but it can't be opened? Click enter is empty. What is the reason?

1, it is possible that the USB flash drive is damaged. It is recommended to try to format USB flash drive.

2. The format of U disk is incorrect, so it is recommended to format it as FAT32 format.

There is something wrong with the USB interface of TV. It is suggested to try plugging the USB flash drive into another USB interface.

4. There is something wrong with the TV and the original inside. Suggest contacting TV for after-sales treatment.