There is no audio device shown on my PC as roon control

Roon Core Machine

<DS920+ as my Roon Core>

Hi guys,
I am using my DS920+ as Roon Core, android iphone and pc (LG Gram) as Roon Control. I cannot find my PC audio device using Roon. Meanwhile Android and Iphone 13 MAX is OK.

Networking Gear & Setup Details

Connected Audio Devices

Number of Tracks in Library

Description of Issue