Ok, figured it out. AT some point I must have renamed the external instrument. ie from Roland SE-02 to SE-02 . Didnt realise I needed to go into plug in manager and add the new external synth to my plugin list. Thanks for your help
Ok, figured it out. AT some point I must have renamed the external instrument. ie from Roland SE-02 to SE-02 . Didnt realise I needed to go into plug in manager and add the new external synth to my plugin list. Thanks for your help