This is the same question I've asked 3x in 24 hours, but it doesn't appear in the listing. Maybe I need help in phrasing questions?:)Q. why can I play some DVDs on my MacBook Pro but not on desk top Apple (they're both -1 year olds

Question

Hi
This'll be my third attempt in 24 hrs to ask the same question. maybe I need guidance on phrasing questions?:)
Q. Why can I always play DVDs on my MacBook Pro but not always on my desk top Apple. They're both less than  year old. The desk top sometimes displays a message that says I have to change regions (from Australia to South America...doh...)

Answer 1

Region Code 4:
Mexico, Central and South America, and the South Pacific.
Includes Antigua and Barbuda, Argentina, Aruba, Australia, Bahamas, Barbados, Belize, Bolivia, Brazil, British Virgin Islands, Chile, Colombia, Costa Rica, Cuba, Dominica, Dominican Republic, Ecuador, El Salvador, Falkland Islands, French Guiana, Grenada, Guatemala, Guyana, Haiti, Honduras, Jamaica, New Guinea, New Zealand, Nicaragua, Panama, Paraguay, Peru, Suriname, Trinidad and Tobago, Uruguay, Venezuela
Apparently my first response was off in left field.  The DVD player has its own code.  My recommendation is to change the code when it asks.  It is possible that the disks that play correctly are region-free and the ones that don't have a region code.  If this does not work, you still have four more changes available; you won't be stuck with the new code.