sound cards configuration

I’ve connected a external soundcard “steinberg UR22” in USB and connected amplified speakers. Everything is ok with this. I can hear everything and recrd all the instrument.
My problem is that since i’ve disconnected the speakers from the integrated sound card realtek of my PC, i’can’t record anymore the sound of my PC with Audacity.
The soundcard realtek is activated ad appears in audacity.
Please, helppppp

The “WASAPI loopback” method described here should work:

Hi steve
thanx for your answer, it works now ! greaaaaaat
Bye !