Since setting up my mesh network with the P9's all wireless devices will connect to my Sonos with no problems but I cannot get my hard wired desktop PC to show the Sonos and the WIndows app will not c

A few weeks I bought 3 Deco P9's and set up in router mode, two downstairs and one upstairs. They were all working fine for a few weeks but recently the P9 upstairs disconnects and flashes with a red