I was trying to upgrade the firmware with my Mac when I noticed I was only getting a white screen when I powered it on. I tried to enter DFU mode but I see the same white screen. When I plug it into a Windows machine I see a popup “USB Device Not Recognized”. Note sure where to go from here, did I brick it? Anyway other way to force it into DFU mode?
I hooked up FTDI cable to CN4 and tried to load several different firmware versions, they all load successfully but I still have a white screen and no dfu mode. Anyone have any ideas?
Ok, I got it.
I brought out my FTDI (seeedstudio.com/wiki/File:DF … .7.hex.zip). After I restarted the device my DSO Nano showed up as drive on Windows.
Same problem anybody proper solution.
I had the same problem while trying to upgrade to BenF 364. Here’s how I solved the problem:
Reading “FAQ: How to upgrade the firmware” http://www.seeedstudio.com/forum/viewtopic.php?f=22&t=4227 I found the following:
I checked and sure enough I was running 3.30D so I followed the link that lead me to this file
http://www.seeedstudio.com/forum/viewtopic.php?p=18670#p18670 (which apparently addresses the different display in this version of NANO3). I copied the file my unit and all is well again.