Hi everyone. My first post here so please be gentle. :)
I have a Nano that I hadn’t used for a couple of months. I decided to play with it the other night so hooked it up and booted into the Linux desktop. Clicking on icons and things on the desktop didn’t seem to have an effect (how odd!) and since I saw there was a newer microSD image available for download I went and grabbed that and put it on a microSD card. OK, so I booted the new image and went through the process of installing/configuring. At one point I had a window “applying changes” where it sat for ages “waiting for unattended-upgr to exit”. It took so long I went away and came back the next day. The next day when I returned it was displaying a text screen - the type you get when booting Linux. There were some kernel messages up to 3.68 seconds after boot, then after that messages along the lines of “started resolvconf-pull-resolved.service.” (repeats a few times), then one failed one: “failed to start nv-oem-config-gui.service”. I power cycled the Nano, but then I didn’t get any video output despite trying a number of times. I tried another microSD card with image but still no video. I read on the forum about the serial console so tried connecting to that, but nothing visible. Hmm. So I went and bought another Nano…
The second Nano arrived and I created a new microSD image and the new Nano booted fine. I tried connecting the serial cable to the new Nano and that worked, producing serial output about a second after boot, right up to the point where I could log in on the serial console. Also video output with Linux destop. Yay! So all good with the new Nano. I then swapped the new Nano out for the old Nano. With the old Nano, no video output. No serial output. The green LED does come on when I apply power but that’s the only sign of life I can see.
Is there something more I can do to diagnose further, or is it best to return it as faulty? Unfortunately shipping will be international and hence expensive, though probably still worth doing. Maybe.
I can hardly remember the last time I had a piece of hardware fail like this.