How do you reformat a mp4 player?

Please be so kind and help me to fix my mp4 player or tell me what to do to get it working agagin, Thank you. Emmanuel. On the screen it show like this (insert usb line and press up to usbdisk, press down to formatting, press other key to biOS, Usbdisk or 3221-mlc-spi-9320-5408-HV8.9)Product Company Name is Anyka. (Mp4 Digital Player iNiX Nx-41)