Ok. I don't know why I asked about audio if I want to use my usb device.
I don't use the ReactOS to play something.

How can I enable the audio driver framework?
After install the driver the OS started correctly.

Ok. Thank you!

I've downloaded the ISO from http://www.reactos.org/getbuilds/
My device is an effects pedalboard for guitar (http://line6.com/podhd/multi-effects/). But it has an USB connection for modify the settings.

Hi community! I'm testing ReactOS because I think that is a good project. I've connected an external device (usb device) and ReactOS detected it. I've followed the assistant for install the drivers, etc. Now the device is installed, but doesn't work. If I go to the properties of my device in the "De...