Lots of people have said they have run in to problems with their Xbox 360 tray being stuck closed. Some have reported it not closing all the way, or being stuck open. Regardless of your problems, Microsoft has put together a handy troubleshooting guide! The guide covers multiple models of Xbox 360 and lots of disc drive problems, including unreadable discs, stuck trays, and disc drive errors. Even after you find a solution to your problem, the troubleshooting guide offers a post-mortem and a few additional tips for making those problems less likely in the future! It’s a very useful guide, straight from the folks at Xbox division within Microsoft, so give it a try and see if it can help you!