did you burn the movies on the windows 7 PC or on an older PC? Sounds like you may need to download some codecs to allow them to play on 7. You can try VLC player as it will probably do the trick for you.
The information on Computing.Net is the opinions of its users. Such
opinions may not be accurate and they are to be used at your own risk.
Computing.Net cannot verify the validity of the statements made on this
site. Computing.Net and Purch hereby disclaim all responsibility
and liability for the content of Computing.Net and its accuracy.