We’re on day two of the iPad’s release and it looks like users are already facing a bevy of problems. Reports are rolling in that the WiFi signal is a bit spotty and that some folks are having problems charging their devices via the USB ports on their computer. Now word has hit, courtesy of a few Facebook buddies, that they can’t power up the iPad after shutting the tablet off unless they sync it with iTunes. Apple’s response: it’s a defect – bring it in for an exchange.