I have a 2tb WD hard drive(with movies) when i first plug it into the tv through wd live tv box INTO USB(or directly to usb) it reads it but after i turn it off it will not read it the second time and the tv says "PROBLEM WITH USB CHECK USB" anyone have any idea why this happens? I have a LG 55lk520 tv with usb and hdmi. The wd live box(which i just bought because I was told that was my problem) is not helping....again it works one time but after that i get the error ty