I set up two computers pretty much the same and pretty much the same computer. (Both ShuttleX types.) One plays movies fine with Kaffeine and the other does nothing. Kaffeine just crashes. If I run XINE it just hangs.
are the codex for the media files installd?
wat filetypes did you wanted to play?
Whenever you are asked if you can do a job, tell 'em, 'Certainly I can!' Then get busy and find out how to do it.
Start the players from an Xterm and look at the output.
A bus station is where a bus stops.
A train station is where a train stops.
On my desk I have a workstation.