My TV cannot discover a USB storage device

DIY for USB connection, pendrive connectivity with LED TV, USB connectivity with LED TV, USB does not working with Samsung support

LG 55UR78003LK smart tv, LED TV,LCD 4K TV, Ultra HD TV,uhd TV, HDR,webOS Csatlakozók: 3x HDMI, 2x USB, RJ-45, Digitális audio kimenet , CI slot

lgo999 slot To insert your USB storage device You must find a USB port at the back of your TV The location of your port may differ depending on your TV

lgosuper slot Connect a LG wireless keyboard to your TV Universal Control Settings Use the TVs remote control to operate other peripheral devices connected to the TV