1. was SMG the same version as your system or an import version.
2. I don't know of how to checkup but trying to install new firmware but that could damage ya more. So I would open the system up.
3. Though if you must open your system put a new case on it
for just under $30.00 you can get a Navy Blue Wiimote, Numchuk, and console housing. I have the Wiimote housing and numchuk myself and it's ezact replica, even has the FCC info on side of the wiimote. haha!
Replacement Case for Wii Wiimote+Numchuck+Console(Blue) - (eBay item 350007070242 end time Dec-23-07 18:32:52 PST)