Alright guys I've looked everywhere and can't figure out a fix for this. I have a Macbook running 10.7 Lion, and an HTC Rezound. A couple weeks ago, my ADB was working flawlessly. Now, however, it doesn't seem to recognize my devices. I have used ADB devices on both my Temp Rooted HTC Rezound, and my S-Off HTC Incredible. It shows the list of devices attached, but there are no devices listed. I have tried reinstalling the SDK, and I do have USB Debugging mode on. If there is any fix, it would be great to know so that I could have an easier time building my roms.