just got a blue mpc 1000

it has jjos 2 1.15 i try to connect it to pc via usb but pc does not let it connect. i have vista 64 pc. trying to upgrade to jj os 2xl.
how u start to play the pads and open the cf. i know this has been posted before but will appreciated the help alot. thanx

The MPC can only transfer .wav files via USB. It won't play sounds through your computer unless you connect it to an audio interface.

Reads the manuals.