After my CD eject issue, I'm starting to wonder whether I've come across Apple Hardware Failure Day or something. Last night I went to use my iPod, and got the "low battery" icon. I thought that was weird, because I'd used it the previous day and certainly hadn't drained it. I plugged it into my computer, and got a screen I'd never seen before: "Battery very low. Please wait." After 5-10 minutes, it started to "boot up" and changed to Do Not Disconnect, and iTunes loaded and synched as per usual. I quit iTunes once it had finished then left it to charge overnight. This morning I was surprised to see that the iPod was still in Do Not Disconnect mode. Looking at the computer, iTunes had re-loaded and performed another synch; it was as if the iPod had rebooted at some point during the night. The problem was that the iPod was no longer mounted in iTunes. It was also not showing up on the desktop or in Disk Utility. Restarting iTunes had no effect, and even when I rebooted the computer the iPod still said Do Not Disconnect (and, upon closer inspection, still claimed to be charging) and didn't mount. I've unplugged and rebooted the iPod (Menu + Select), and it's now showing the main menu like it should. It claims to be fully charged. Now for my actual questions. Should I be worried? Has anyone else had a similar issue? Do you think that this is a sign of something about to fail, or is it likely just a one-off problem? The tech stuff: It's an 80 GB iPod, and has what I believe is the latest firmware. My computer is running iTunes 7.0.2 under OS 10.4.8.