"MAC address conflict"- ill check but i dont think its likely

i solved the problem by restoring win7
wifi is back to normal

i have
1- desktop- win10 gateway DHCP
2-laptop win10 LAN static IP
3-laptop WIN8 wifi
4- 2 phones and a tablet WIFI
5- broadcom, LAN and WIFI router
6- samsung TV- LAN static IP model LA40D55...