Various causes: There are very many causes, from congestive heart failure, to lymphedema, to venous insufficiency, blood clots, pregnancy, a various other causes, including serious and not-so-serious causes.
I have a Sony DVP ns55p blu-ray player with a usb port in the front. The player requires that the usb flash device (thumb drive) be formatted in FAT32in order to recognize it.
When I play a blu-ray film in the beginning there is a note that I may need to to update my blu-ray player for best viewing experience. I visited blu-ray official site but I need to know my blu-ray player model. My PS3 is 250GB Slim.