I have a 5th gen iPod Nano. I got it almost a decade ago, or a little over a decade ago. A couple of years ago, around 2016, I found my iPod Nano again. I tried to see if it still worked, so I tried to start it up and lo and behold, the Apple logo appears on the screen. It stays there for a few seconds before the screen turns completely black again. I repeated this process a couple of times. This means that the battery is dead and needs replacing. I am, however, not a tech-savvy person, so I won't bother with repairing it myself. I am afraid that even if I do get it repaired, that there will be no memory and all has been for naught. If you, like me, can start the device but its screen goes black entirely, it means you have a dead battery, too. If you can actually use it, I suggest leaving it alone, even if it means the battery life is very short.