B barkmonster macrumors 68020 Jan 20, 2014 #3 It's simply an indication that the USB stick is receiving power. It might not do the same thing on a PC because Windows might only provide power to it when mounted. I wouldn't worry.
It's simply an indication that the USB stick is receiving power. It might not do the same thing on a PC because Windows might only provide power to it when mounted. I wouldn't worry.