playback no sound

Here is my set up
Mixer : Yamaha mg10Xu ,
Speaker : Yamaha HS7
Computer: Win10
A piano: roland 300nx

Connection: roland 300nx connect to channel 1 of mixer, speakers connect to stereo out. Computer sound card connect to channel 5,

I can see signal from the piano, when recording, and also hear the sound from speakers. but when playback. NO Sound…
HOw come is that ?

Duplicate post…

Regards :sunglasses: