ledtv

Hello everyone! My Philips LED TV has started turning the screen black itself periodically, showing a blue bar in the middle and then it returns on. There is no sound too when it happens. It usually takes from 20 to 35 seconds to show the image again. Tried several things like: changed remote...

i bought samsung full hd led tv but when i tried to use my external hdd it can't be recognize i search for a solution then i found some blogs with the same problem and their solution is to reformat their external hdd to fat 32. i also tried it but it doesn't work either. help please