I finally got a chance to work with my Duo. It fired up OK the first time; I installed the requested software on my Mac laptop without issue and proceeded to update the firmware as per the getting started guide. Rebooted, and nothing lit up (well, there was a dim blue light on the other LED). Figured out that problem; was able to get back into DFU mode and resent the firmware. Now, I’m stuck with the LED flashing yellow and I can’t get it into any other mode. Holding down setup cycles magenta, then yellow, and that’s all. There’s no safe mode; no reset to factory; nothing.
I’ve tried on my Mac laptop and my PC. Windows says “Duo DFU mode” (or something like that) in device manager and wouldn’t recognize the driver so I gave up and went back to the Mac, which can still communicate with the dfu-util. I’ve tried sending multiple versions of the firmware multiple times (checking the correct address after noting that was a common mistake). I’ve tried using the RBlink to resend the bootloader. I’ve resent the WiFi .bin file
I’ve reviewed the forums and tried :leave after the address of one of the uploads, along with several other things mentioned in various posts and nothing has returned me to a normal mode. Hell, at this point I’d take a different mode; at least there would be progress…
Hope that’s enough information to start with. Not sure what to try next. Any suggestions?