I did write that some routers do this block at https://www.cnet.com/forums/post/186ddf84-c102-49c4-b885-4cce74bfeb92/
I have 3 desktop &a Laptop connecting through bsnl dlink ADSL router.
Pc1 - Connected through wifi (windows 7)
Pc2- Connected through network wire (windows 7)
Pc3 -Connected through network wire ( windows 10 )
Laptop - Connected through wifi / Wire ( windows 10 )
Problem : -
While connecting through Wireless network (wifi) laptop not able to recognised the other network PCs or shared files but when it connected through Wire then laptop recognised the other network PCs or shared files.
Pls help me to solve my problem.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic