Dear Lifehacker, Windows Media Player hijacked my MP3 files and converted them all to WMA. I want to change them back easily in one sweep—but am not the most savvy user. Help? Signed, Gimme My Beats ...

MP3 players are equipped with a USB port that allows you to connect them to a PC. Usually, when you connect an MP3 player to your computer, Windows will automatically recognize it. But there may be ...