Warning W704 - MIDI/music playback drivers are not installed. You cannot play MIDI music. Most sound cards do have a synthesiser built-in.
Warning W704 - MIDI/music playback drivers are not installed. You cannot play MIDI music. Most sound cards do have a synthesiser built-in.
Fix: Check with your sound card manual and try un-installing and re-installing the drivers.
For more information, please see the (FAQ).