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.
See all results for apple blu ray drive. 1  Apple USB Superdrive (MD564LL/A) by Apple. 2  SEA TECH Aluminum External USB Blu-Ray Writer Super Drive for Apple MacBook Air, Pro, iMac. 3  PC-Mart.  VersionTech USB External DVD CD Drive Burner Superdrive for Apple Mac Macbook Pro/ Air iMac Laptop, Retail Package.