Ever wonder why DVD movies start automatically when you pop them into your PC? That’s Windows’ Auto-Play, which kicks into action – or not – when you connect a device or insert a media. Windows Vista and Windows 7 offer granular control over AutoPlay settings. You can access them easily. Click Start, type auto, and the click AutoPlay. First, make sure that the box is checked for Use AutoPlay for all media and devices. That’s basically the “on” switch for AutoPlay. Find the option you wan to modify, click the menu beside it, and choose your desired action. For example, if you have iTunes on your PC but want audio CDs to play in Windows Media Centre, click the menu next to Audio CD, and then choose Play CD using Windows Media Player. Alternatively, you might want to select Ask me every time, in which case inserting a disc will open an AutoPlay window, where you can select which player you want. When you’re all done, click Save. The changes should go into effect immediately.