I only get the delay write failed message when something else is plugged in, and not when im trying to save anything. What happens is, If I plug my hdd in with anything else already connected , it wont recognize the hdd, if i plug it in solo, wait for it to be recognized, then plug in something else, it will eventually say delay write failed. Also maybe worth noting, when I do connect the hdd solo, it first pops up as unrecognizeable, then it will tell me it can perform faster from a 2.0 port, then it will finally recognize the hdd. this whole process takes about 45 seconds. I tried waiting for my phone, but no matter how long I wait, it will not recognize the phone. Yes my hdd shows as mass storage device in device manager, and it is already optimized for performance.