I plugged my PSP device to my laptop via Aux cord and i've tried to get it play though my monitors through my external audio interface (Scarlett 2i4) but when i plug it in it plays in my laptops default speaks. if i deactivate all my Playable devices in the sound window (windows 7 home) it will contine to play on the speakers on my laptop, My main goal is to play my psp audio through my scarlett then to my studio monitors. can someone help please??